201. H. Y. Poh, T. Hou, Wei Jie Chan, Yee Sin Ang, L. K. Ang, G. Chang, and Wen Siang Lew*, "Influence of magnetic moments on the spin-orbit torgue generated by the topological surface statat at topological insulator/ferromagnet interface", Physical Review B, revision.
200. Tianli Jin, Bo Zhang, Funan Tan, Gerard Lim, Ze Chen, Jiangwei Cao, Wen Siang Lew*, "Granular magnetization switching in Pt/Co/Ti structure with HfOx insertion for in-memory computing applications", Nano Letters, accepted.
199. Kunqi Hou, Shuai Chen, Rohit Abraham John, Qiang He, Zhongliang Zhou, Nripan Mathews, Wen Siang Lew* and Wei Lin Leong*, "A facile way to manipulate multiple tactile sensing inputs via ion spatial dynamics in solid-state organic electrochemical transistor" submitted.
198. Yun Ming Wong, Ping Lin Yeap, Ashley Li Kuan Ong, Jeffrey Kit Loong Tuan, Wen Siang Lew, James Cheow Lei Lee, Hong Qi Tan, “Machine Learning Prediction of Dice Similarity Coefficient for Validation of Deformable Image Registration”, submitted
197. S. Wu, T.L. Jin, C. C. I. Ang, G. J. Lim, Bryan C.W. Hao, Z. Chen, and W. S. Lew*, "Electric field control of spin-orbit torque in annealed Ta/CoFeB/HfOx heterostructures via interfacial oxidation modulation", Nanotechnology, revision.
196. Junjie Mu; Lu Lu; Ju Eon Kim; Byungkwon An; Vishal Sharma; Arya Jagath Lekshmi; Putu Andhita Dananjaya; Weng Hong Lai, Wen Siang Lew, Tony Tae-Hyoung Kim, “A 1Mb RRAM Macro With 9.8ns Read Access Time Utilizing Dynamic Reference Voltage for Reliable Sensing Operation”, IEEE Transactions on Circuits and Systems II, published online (2024); DOI: 10.1109/TCSII.2024.3379373
195. Jeny Gosai, Mansi Patel, Lingli Liu, Aziz Lokhandwala, Parth Thakkar, Mun Yin Chee, Muskan Jain,, Wen Siang Lew, Nitin Chaudhari, Ankur Solanki, “Control-etched Ti3C2Tx MXene Nanosheets for Low Voltage Operating Flexible Memristor for Efficient Neuromorphic Computation”, ACS Applied Materials & Interfaces,16, 17821 (2024); doi.org/10.1021/acsami.4c01364
194. Sujaya Kumar Vishwanath, Benny Febriansyah, Sien Ng, Tisita Das, Jyotibdha Acharya, Rohit Abraham John, Divyam Sharma, Putu Andhita Danajaya, Metikoti Jagadeeswararo, Naveen Tiwari, Mohit Ramesh Chandra Kulkarni, Wen Siang Lew, Sudip Chakraborty, Arindam Basu, Nripan Mathews, “High-Performance One-Dimensional Halide Perovskite Crossbar Memristors and Synapses for Neuromorphic Computing”, Materials Horizons, published online (2024); DOI: 10.1039/d3mh02055j
193. Xuechao Xing, Si En Ng, Yeow Boon Tay, Natalia Yantara, Wen Siang Lew, Nripan Mathews, "Unravelling the Factors Influencing Halide Perovskite Based Switchable Photovoltaics", Advanced Functional Materials, 2315982 (2024); doi.org/10.1002/adfm.202315982
192. Muskan Jain, Mayur Jagdishbhai Patel, Lingli Liu, Jeny Gosai, Manish Khemnani, Himangshu Gogoi, Mun Yin Chee, Antonio Guerrero, Wen Siang Lew, Ankur Solanki, "Insights into Synaptic Functionality and Resistive Switching in Lead Iodide Flexible Memristor Devices", Nanoscale Horizons (2024), 9, 438 (2024); DOI:10.1039/D3NH00505D
191. Rohan Jaiswal, Vemuru Haragopal, Vijayanandhini Kannan, Chandrasekhar Murapaka, and Wen Siang Lew, "Current-induced Domain wall NOT gate logic operation via chirality flipping by exploiting Walker breakdown", Journal of Superconductivity and Novel Magnetism, 37, 565 (2024); DOI: 10.1007/s10948-023-06686-2.
190. Z. Xu, J.X. Tang, S.C. Hu, E. Liu, F. Xu, L.X. Bian and W. S. Lew*, "Effective spin Hall efficiency contributed by the extrinsic spin Hall effect in Pt1-xTax/CoFeB structures", Journal of Physics D: Applied Physics, 57, 145001 (2024); DOI:10.1088/1361-6463/ad1a66
189. Eng Kang Koh, Putu Andhita Dananjaya, Han Yin Poh, Lingli Liu, Calvin Xiu Xian Lee, Jia Rui Thong, and Wen Siang Lew*, "Abrupt and gradual switching response in a single 1T-1R Ta2O5-based resistive memory device for storage-class memory and synaptic tuning applications", Nanoscale Horizons (2024); doi.org/10.1039/D3NH00554B
188. Yun Ming Wong, Calvin Wei Yang Koh, Kah Seng Lew, Clifford Ghee Ann Chua, Ping Lin Yeap, Andrew Wibawa, Zubin Master, Sharon Shuxian Poh, Wen Siang Lew, James Cheow Lei Lee, Sung Yong Park, Hong Qi Tan, "Effects of modern aesthetic dental fillings on proton therapy", Physics and Imaging in Radiation Oncology, 29,100552 (2024); doi.org/10.1016/j.phro.2024.100552
187. Panke Zhou, Hong Yu, Mun Yin Chee, Tao Zeng, Tianli Jin, Hongling Yu, Shuo Wu, Wen Siang Lew, Xiong Chen, “Electron push-pull effects induced performance promotion in covalent organic polymer thin films-based memristor for neuromorphic application”, Chinese Chemical Letters, 35, 109279(2024); doi.org/10.1016/j.cclet.2023.109279
186. S. M. Li, H. Y. Poh, T. L. Jin, F. N. Tan, S. Wu, K. M. Shen, Y. F. Jiang and W. S. Lew*, "Enhanced current-induced magnetization switching with antiferromagnetic coupled intereface at Co/Ho heterostructures", Applied Physics Letters, 123, 233502 (2023); doi.org/10.1063/5.0174431
185. Kaiming Shen, Yunfei Yan, Funan Tan, Shuo Wu, Tianli Jin, Zongguo Xue, Mun Yin Chee , Li Xian Li, Wen Siang Lew, “Hollow spherical Mn0.5Zn0.5Fe2O4 nanoparticles with magnetic vortex configuration for enhanced magnetic hyperthermia efficacy”, Nanoscale,15, 17946 (2023); doi.org/10.1039/D3NR03655C
184. R. Duan, Y.T. Thung, Z.T. Zhang, E. G. Durmusoglu, Y.C. He, L. Xiao, C. Lee, W.S. Lew, L. Zhang, H.Y. Li, J Yang, H. V. Demir, H.D. Sun, "Colloidal Nanoplatelets‐Based Soft Matter Technology for Photonic Interconnected Networks: Low‐Threshold Lasing and Polygonal Self‐Coupling Microlasers", Laser & Photonics Reviews, 2300745(2023); doi.org/10.1002/lpor.202300745
183. Lingli Liu, Putu Andhita Dananjaya, Calvin Ching Ian Ang, Eng Kang Koh, Gerard Joseph Lim, Han Yin Poh, Mun Yin Chee, Calvin Xiu Xian Lee, Wen Siang Lew* ,"A bi-functional three-terminal memristor applicable as an artificial synapse and neuron", Nanoscale 15, 17076(2023); DOI:10.1039/D3NR02780E.
182. Jia Min Ang, Putu Andhita Dananjaya, Calvin Ching Ian Ang, Gerard Joseph Lim, Wen Siang Lew*, "Strain-induced Degradation and Recovery of Flexible NbOx-based Threshold Switching Device", Scientific Reports, 13, 16000 (2023); doi.org/10.1038/s41598-023-43192-w
181. Zhou Panke, Hongling Yu, Weiguo Huang, Mun Yin Chee, Zeng Taod, Gerard Joseph Lim, Wen Siang Lew, Xiong Chen, "Photo-Electric Multilevel Memory Device Based on Covalent Organic Polymer Film with Keto-Enol Tautomerism for Harsh Environments Applications", Advanced Functional Materials, 2306593 (2023); DOI: 10.1002/adfm.202306593
180. Calvin Lee, Putu Andhita Dananjaya, Mun Yin Chee, Han Yin Poh, Funan Tan, Jia Rui Thong, Lingli Liu, Gerard Joseph Lim, Yuanmin Du, Juan Boon Tan, Wen Siang Lew*, "Influence of Co-Cu Electrode Composition on the Galvanic-induced Resistive Switching Behaviour of Ta2O5-based CBRAM", Applied Physics Letters, 123, 133504 (2023); doi.org/10.1063/5.0160380
179. Kaiming Shen, Yunfei Yan, Zongguo Xue, Jingxiang You, Lixian Li*, Wen Siang Lew*, “Multiwalled Carbon Nanotubes Decorated with Mn0.5Zn0.5Fe2O4 Nanoparticles for Magneto-Photothermal Cancer Therapy”, ACS Applied Nano Materials, 6 (14), 13330 (2023); DOI: 10.1021/acsanm.3c01929
178. Z. Xu, G. D. H. Wong, J. Tang, E. Liu, B. Coester, F. Xu, L. Bian and W. S. Lew*, "The influence of Ti ultrathin insertion layer on the effective magnetic damping and effective spin Hall angle", Applied Physics Letters, 122, 242405 (2023); doi.org/10.1063/5.0146095
177. Mun Yin Chee, Putu Andhita Dananjaya, Gerard Joseph Lim, Calvin Lee, Lingli Liu, Wen Siang Lew*, "The impact of oxygen vacancy defect density on the nonlinearity and short-term plasticity of TiO2-based exponential selector", Nanotechnology, 34, 365201 (2023); DOI 10.1088/1361-6528/acda40
176. Birte Coester, Gerard Lim, Funan Tan, Han Yin Poh,, and Wen Siang Lew*, "Investigation of spin-orbit torque performance with W/Cu-multilayers as spin current source", Journal of Applied Physics, 133, 223904 (2023); doi.org/10.1063/5.0139212
175. Lingli Liu, Putu Andhita Dananjaya, Chee Mun Yin, Gerard Joseph Lim, Wen Siang Lew* ,"Protons-assisted Redox-based Three-terminal RRAM for Synaptic Device Applications", ACS Applied Materials & Interfaces, 15, 29287 (2023); doi.org/10.1021/acsami.3c03974
174. Jin-Lin Yang, Lingli Liu, Zehua Pu, Pengbo Chen, Jia Li, Putu Andhita Dananjaya, Eng Kang Koh, Wen Siang Lew, Kang Liu, Peihua Yang, Hong Jin Fan "Dielectric-Metallic Double Gradient Composition Design for Stable Zn Metal Anodes", ACS Energy Letters, 8, 2042(2023);doi.org/10.1021/acsenergylett.3c00367
173. Kunqi Hou, Shuai Chen, Akshay Moudgil, Xihu Wu, Teck Lip Dexter Tam, Wen Siang Lew, and Wei Lin, Leong, "High performance, flexible and thermally stable all-solid-state organic electrochemical transistor based on thermoplastic polyurethane ion-gel", ACS Applied Electronic Materials, 5, 2215(2023); doi.org/10.1021/acsaelm.3c00091
172. Zhou Panke, Xiaoli Lin, Mun Yin Chee, Wen Siang Lew, Tao Zeng, Hao-Hong Li, Xiong Chen, Zhi-Rong Chen, Huidong Zheng, "Switching the memory behavior from binary to ternary by triggering the S62- relaxation in polysulfide-bearing Zinc-organic complex molecular memoriest", Materials Horizons, (2023); doi.org/10.1039/D3MH00037K
171. S. Wu, T.L. Jin, F. N. Tan, C. C. I. Ang, H. Y. Poh, G. J. Lim, and W. S. Lew*, "Enhancement of spin-orbit torque in Pt/Co/HfOx heterostructures with voltage-controlled oxygen ion migration", Applied Physics Letters, 122, 122403(2023);doi.org/10.1063/5.0139443
170. H. Y. Poh, C. C. I. Ang, G. J. Lim, T.L. Jin, S.H. Lee, E. K. Koh, F. Poh, and W. S. Lew*, "Crystallinity control of topological insulator BiSb(012) via interfacial engineering for spin orbit torque enhancement", Physical Review Applied, 19, 034012 (2023); DOI: 10.1103/PhysRevApplied.19.034012
169. Y.T. Thung, R. Duan, E. G. Durmusoglu, Y.C. He, L. Xiao, C. Lee, W.S. Lew, L. Zhang, H. V. Demir, H.D. Sun, "Ultrahigh Quality Microlasers from Controlled Self-Assembly of Ultrathin Colloidal Semiconductor Quantum Wells", Lasers & Photonics Review, 2200849 (2023);doi.org/10.1002/lpor.202200849
168. Mangyuan Ma, Wen Siang Lew*, and Fusheng Ma*, "Multiple nonvolatile skyrmion states in nanostructured synthetic", Physical Review Applied, 19 ,024029 (2023); doi.org/10.1103/PhysRevApplied.19.024029
167. Jia Min Ang, Putu Andhita Dananjaya, Samuel Chen Wai Chow, Gerard Joseph Lim, Chim Seng Seet, Wen Siang Lew*, "Enhancement of Temperature-Modulated NbO2-Based Relaxation Oscillator via Interfacial and Bulk Treatment", Nanotechnology, 34, 185202 (2023); DOI 10.1088/1361-6528/acb778
166. Samuel Chen Wai Chow, Putu Andhita Dananjaya, Jia Min Ang, Desmond Jia Jun Loy, Jia Rui Thong, Siew Wei Hoo, Eng Huat Toh, Wen Siang Lew*, "Impact of interfacial engineering on MgO-based resistive switching devices for low-power applications", Applied Surface Science, 608, 155233 (2023); doi.org.remotexs.ntu.edu.sg/10.1016/j.apsusc.2022.155233
165. Tianli Jin, Calvin Ang, Xuan Wang, Wen Siang Lew*, S. N. Piramanayagam, "Efficient spin-orbit torque magnetization switching by reducing domain nucleation energy", Journal of Magnetism and Magnetic Materials, 562, 169759 (2022); doi.org/10.1016/j.jmmm.2022.169759
164. Mun Yin Chee, Putu Andhita Dananjaya, Gerard Joseph Lim, Wen Siang Lew*, "Frequency-dependent synapse weight tuning in 1S1R with short-term plasticity TiOx-based exponential selector", ACS Applied Materials & Interfaces, 14, 31, 35959 (2022); doi/full/10.1021/acsami.2c11016
163. H. Y. Poh, C. C. I. Ang, T.L. Jin, F.N. Tan, G. J. Lim, and W. S. Lew*, "Continuous film characterisation of Spin Orbit Torque using Four Probe Measurement", Applied Physics Letters, 121, 012405 (2022); doi.org/10.1063/5.0092471
162. P. Padhy Shakti, Tsakadze Zviad, V. Chaudhary, G. J. Lim, X. Tan, Wen Siang Lew, Raju V. Ramanujan, "Rapid Multi-Property Assessment of Compositionally Modulated Fe-Co-Ni Thin Film Material Libraries", Results in Materials, 14, 100283 (2022); doi.org/10.1016/j.rinma.2022.100283.
161. Mangyuan Ma, Ke Huang, Yong Li, Sihua Li, Qiyuan Feng, Calvin Ching Ian Ang; Tianli Jin, Yalin Lu, Qingyou Lu, Wen Siang Lew*; Fusheng Ma; Xiao Wang, "Nano-engineering the evolution of skyrmion crystal in synthetic antiferromagnets", Applied Physics Reviews, 9, 021404 (2022); doi.org/10.1063/5.0081455
160. Aiwu Zhou, Changyu Xu, Pojchanun Kanitthamniyom, Chelsea Shan Xian Ng, Gerard Joseph Lim, Wen Siang Lew, Shawn Vasoo, Guo Zhan Lum, Yi Zhang, "Magnetic Soft Millirobots 3D-Printed by Circulating Vat Photopolymerization to Manipulate Droplets Containing Hazardous Agents for In Vitro Diagnostic", Advanced Materials, 2200061 (2022); doi.org/10.1002/adma.202200061.
159. Tianli Jin, Gerard Joseph Lim, Han Yin Poh, Shuo Wu, Funan Tan, and Wen Siang Lew*, "Spin reflection induced field-free magnetization switching in perpendicularly magnetized MgO/Pt/Co heterostructures", ACS Applied Materials & Interfaces, 14, 7, 9781 (2022) ; 10.1021/acsami.1c22061
158. H. Y. Poh, C. C. I. Ang, W. L. Gan, G. J. Lim, and W. S. Lew*, "Direct spin accumulation quantification in ferromagnetic heterostructures using DC bias harmonic Hall measurement", Physical Review B, 104, 224416 (2021); doi.org/10.1103/PhysRevB.00.004400
157. Haruethai Kongcharoen, Birtie Coester, Izzat Aziz, Fei Yu, Wei Church Poh, Matthew Wei Ming Tan, Jing-Hao Ciou, Chan Weijie Benjamin, Wen Siang Lew, Pooi See Lee. "Magnetically responsive co-nanoinitiators for cross-linking adhesives and mechanical properties enhancement", ACS Applied Materials and Interfaces, 13, 57851 (2021); DOI: 10.1021/acsami.1c08040
156. Wei Yang Calvin Koh; Hong Qi Tan; Yan Yee Ng; Yen Hwa Lin; Khong Wei Ang; Wen Siang Lew; James Cheow Lei Lee; Sung Yong Park, "Quantifying systematic RBE-weighted dose uncertainty arising from multiple variable RBE models in Organ-at-Risk", Advances in Radiation Oncology, 7, 100844 (2021); doi.org/10.1016/j.adro.2021.100844
155. Kunqi Hou, Shuai Chen, Cheng Zhou, Linh Lan Nguyen, Putu Andhita Dananjaya, Martial Duchamp, Guillermo Bazan, Wen Siang Lew* and Wei Lin Leong*, "Operando direct observation of filament formation in resistive switching devices enabled by a topological transformation molecule", Nano Letters, 21, 9262 (2021); doi.org/10.1021/acs.nanolett.1c03180
154. Grayson Dao Hwee Wong, Weiliang Gan, Calvin Ching Ian Ang, Wai Cheung Law, Zhan Xu, Feng Xu, Chim Seng Seet, Wen Siang Lew*, "Reversible strain-induced spin-orbit torque on flexible substrate by mild annealing", Applied Physics Letters, 119, 042402 (2021); doi.org/10.1063/5.0056995
153. Akash Kumar, Raghav Sharma, Kacho Imtiyaz Ali Khan; Chandrasekhar Murapaka, Gerard Lim; Wen Siang Lew; Sujeet Chaudhary, Pranaba Muduli, "Large damping-like spin-orbit torque and improved device performance utilizing mixed-phase Ta", ACS Applied Electronic Materials, 3, 3139 (2021); doi.org/10.1021/acsaelm.1c00361
152. Grayson Dao Hwee Wong, Zhan Xu, Weiliang Gan, Calvin Ching Ian Ang, Wai Cheung Law, Jiaxuan Tang, Wen Zhang, Ping Kwan Johnny Wong, Xiaojiang Yu, Andrew Thye Shen Wee, Chim Seng Seet, Wen Siang Lew*, "Strain-mediated spin-orbit torque enhancement in Pt/Co on flexible substrate", ACS Nano, 15, 5, 8319 (2021); doi.org/10.1021/acsnano.0c09404.
151. C.C.I. Ang, W.L. Gan, Grayson D.H. Wong, and W. S. Lew*, "Temperature-modulated magnetic Skyrmion phases and transformations by first-order reversal curve analysis", Physical Review B, 103, 144409 (2021); doi.org/10.1103/PhysRevB.103.144409
150. Namita Bindal, Calvin Ching Ian Ang, Wen Siang Lew, Brajesh Kumar Kaushik, "Antiferromagnetic Skyrmion repulsion based artificial neuron device", Nanotechnology, 32, 215204 (2021); doi.org/10.1088/1361-6528/abe261
149. Z. Xu, G. D. H. Wong, J. Tang, E. Liu, W. L. Gan, F. Xu, and W. S. Lew*, "Large spin Hall angle enhanced by nitrogen incorporation in Pt films", Applied Physics Letters, 118, 062406 (2021); doi.org/10.1063/5.0035815
148. B. Coester, G. D. H. Wong, Z. Xu, J. Tang, W. L. Gan, and W. S. Lew*, "Enhanced spin Hall conductivity in tungsten-copper alloys", Journal of Magnetism and Magnetic Materials, 523, 167545 (2021); doi.org/10.1016/j.jmmm.2020.167545
147. C.C.I. Ang, W. L.Gan, and W. S. Lew*, "Electrical control of skyrmion density via skyrmion-stripe transformation", Physical Review Applied, 14, 054048 (2020); doi.org/10.1103/PhysRevApplied.14.054048
146. Tianli Jin, Wai Cheung Law, Durgesh Kumar, Feilong Luo, Qi Ying Wong, Gerard Lim, Xuan Wang, Wen Siang Lew, and S. Piramanayagam, "Enhanced spin‒orbit torque efficiency in Pt/Co/Ho heterostructures via inserting Ho layer", APL Materials, 8, 111111 (2020); doi.org/10.1063/5.0029451
145. D.J.J. Loy, P.A. Dananjaya, S. Chakrabarti, Kuan Hong Tan, Samuel Chow Chen Wai, Eng Huat Toh and Wen Siang Lew*, "Oxygen Vacancy Density Dependence with Hopping Conduction Mechanism in Multi-Level Switching Behavior of HfO2-Based RRAM Devices", ACS Applied Electronic Materials, 2, 3160 (2020); doi.org/10.1021/acsaelm.0c00515.
144. G. J. Lim, W. L. Gan, and W. S. Lew*, "Effect of Seed and Interlayer Pt on SOT in Co/Pt Multilayers", Journal of Physics D: Applied Physics, 53, 505002 (2020); doi.org/10.1088/1361-6463/abacef
143. Calvin W.Y. Koh, H.Q. Tan, K.W. Ang, S.Y. Park, W.S. Lew, James C.L. Lee, "Standardizing Monte Carlo Simulation parameters for a reproducible linear energy transfer", British Journal of Radiology, 93, 20200122 (2020); doi.org/10.1259/bjr.20200122
142. Z. Xu, G. D. H. Wong, J. Tang, E. Liu, W. L. Gan, F. Xu, and W. S. Lew*, "Giant Spin Hall Effect in Tb Doped Cu Thin Films", ACS Applied Materials and Interfaces, 12, 32898 (2020); doi.org/10.1021/acsami.0c07441
141. Mangyuan Ma, Calvin Ang, Yong Li, Zizhao Pan, Weiliang Gan, Wen Siang Lew and Fusheng Ma* , "Enhancement of Zero-Field Skyrmion Density in [Pt/Co/Fe/Ir]2 Multilayers at Room Temperature by FORC", Journal of Applied Physics, 127, 223901 (2020); doi.org/10.1063/5.0004432
140. G. J. Lim, W. L. Gan, W. C. Law, C. Murapaka, and W. S. Lew*, "Spin-Orbit Torque Driven Analog-Like Behaviour in Co/Pt Hall Cross Structures at Elevated Temperatures", Journal of Magnetism and Magnetic Materials, 514, 167201 (2020). ; doi.org/10.1016/j.jmmm.2020.167201
139. G.D.H. Wong, W. C. Law, F.N. Tan, W. L. Gan, C. C. I. Ang, Z. Xu, C.S. Seet, and W. S. Lew*, "Thermal behavior of spin-current generation in PtxCu1-x devices characterized through spin-torque ferromagnetic resonance", Scientific Reports, 10:9631 (2020); doi.org/10.1038/s41598-020-66762-8
138. Dayanand Kumar, Umesh Chand, Wen Siang Lew, and Tseung-Yuen Tseng, "ZrN Based Flexible Resistive Switching Memory", IEEE Transactions on Electron Devices, 41, 705(2020); DOI:10.1109/LED.2020.2981529
137. Nagaraj Lakshmana Prabhu, Desmond Loy Jia Jun, Putu Andhita Dananjaya, Wen Siang Lew, Eng Huat Toh, Nagarajan Raghavan, "Exploring the Impact of Variability in Resistance Distributions of RRAM on the Prediction Accuracy of Deep Learning Neural Networks", Electronics, 9, 414(2020); doi.org/10.3390/electronics9030414
136. Govind Narasimman, Joydeep Basu, Pankaj Sethi, Sachin Krishna, Chen Yi , Wen Siang Lew, and Arindam Basu, "A 72 µW Readout circuit in 65nm CMOS with Successive Approximation based Thresholding for Domain Wall Magnet based Random Number Generator", IEEE Sensors Journal, vol.20, No.14, 7810(2020); DOI: 10.1109/JSEN.2020.2980021
135. G. J. Lim, D. Chua, W. L. Gan, C. Murapaka, and W. S. Lew*, "Programmable Spin-Orbit Torque Logic Device with Integrated Bipolar Bias Field for Chirality Control", Advanced Electronics Materials, 1901090 (2020); doi.org/10.1002/aelm.201901090
134. Dayanand Kumar, Umesh Chand, Wen Siang Lew, and Tseung-Yuen Tseng, "High-Performance TiN/Al₂O₃/ZnO/Al₂O₃/TiN Flexible RRAM Device With High Bending Condition", IEEE Transactions on Electron Devices, 67, 493 (2020); DOI: 10.1109/TED.2019.2959883.
133. D. W. Wong, W. L. Gan, Y.K. Teo and W. S. Lew*, "Heating Efficiency of Triple Vortex State Cylindrical Magnetic Nanoparticles", Nanoscale Research Letters,14, 376 (2019); DOI:10.1186/s11671-019-3169-6
132. Yong Li, Qiyuan Feng, Sihua Li, Ke Huang, Weiliang Gan, Haibiao Zhou, Xiangjun Jin, Liang Cao, Xiao Renshaw Wang, Fusheng Ma* Qingyou Lu* and Wen Siang Lew*, "An Artificial Skyrmion Platform with Robust Tunability in Synthetic Antiferromagnetic Multilayers", Advanced Functional Materials, 1907140 (2019); doi.org/10.1002/adfm.201907140
131. P. A. Dananjaya, D. J. J. Loy, S. C. W. Chow, W.S. Lew*, "Unidirectional threshold switching induced by Cu migration with high selectivity and ultralow OFF current under gradual electroforming treatment", ACS Applied Electronic Materials, 1, 2076 (2019). DOI: 10.1021/acsaelm.9b00446
130. Tianli Jin, Weiliang Gan, Funan Tan, Nicolo Sernicola, Wen Siang Lew, S. N. Piramanayagam, "Synaptic element for neuromorphic computing using a magnetic domain wall device with synthetic pinning sites", Journal of Physics D: Applied Physics, 52, 445001 (2019); doi.org/10.1088/1361-6463/ab35b7
129. F. L. Luo, Q.Y. Wong, S.H. Li, F. N. Tan, G. J. Lim, X. Wang, and W.S. Lew*, "Dependence of spin-orbit torque effective fields on magnetization uniformity in Ta/Co/Pt structure", Scientific Reports, 9, 10776 (2019); doi.org/10.1038/s41598-019-47125-4
128. Weinan Lin, Lei Li, Fatih Doğa, Changjian Li, H. Rotella, Bangmin Zhang, Yangyang Li, Wen Siang Lew, Shijie Wang, Wilfrid Prellier, Stephen J. Pennycook, Jingsheng Chen, Zhicheng Zhong, Aurelien Manchon, and Tom Wu, "Interface-based tuning of Rashba spin-orbit interaction in asymmetric oxide heterostructures with 3d electrons", Nature Communications, 10, 3052 (2019); doi.org/10.1038/s41467-019-10961-z
127. F.N. Tan, G.J. Lim, T.L. Jin, H.X. Liu, F. Poh, and W.S. Lew*, "Electric field control on single and double Pt/Co heterostructure for enhanced thermal stability", Journal of Magnetism and Magnetic Materials, 490, 165448 (2019); doi.org/10.1016/j.jmmm.2019.165448
126. Tianli Jin, Funan Tan, Calvin Ang Ching Ian, Weiliang Gan, Jiangwei Cao, Wen Siang Lew, S. N. Piramanayagam, "Tilted magnetisation for domain wall pinning in racetrack memory", Journal of Magnetism and Magnetic Materials, 489, 165410 (2019); doi.org/10.1016/j.jmmm.2019.165410
125. F.N. Tan, W.L. Gan, C.C.I. Ang, G.D.H. Wong, H.X. Liu, F. Poh, D. Shum, and W.S. Lew*, "High velocity domain wall propagation using voltage controlled magnetic anisotropy", Scientific Reports, 9, 7369 (2019); doi.org/10.1038/s41598-019-43843-x
124. H.Q. Tan, Calvin W.Y. Koh, Lloyd K.R. Tan, J.H. Phua, K.W. Ang, S.Y. Park, W.S. Lew, James C.L. Lee, "Dependence of LET on material and its impact on current RBE model", Physics in Medicine and Biology, 64, 135022 (2019); doi.org/10.1088/1361-6560/ab1c90
123. F.N. Tan, Q.Y. Wong, W.L. Gan, S.H. Li, H.X. Liu, F. Poh, and W.S. Lew*,"Electric field control for energy efficient domain wall injection", Journal of Magnetism and Magnetic Materials, 485, 174 (2019); doi.org/10.1016/j.jmmm.2019.04.069
122. C.C.I. Ang, W. L.Gan, and W. S. Lew*, "Bilayer skyrmion dynamics on a magnetic anisotropy gradient", New Journal of Physics, 21, 043006 (2019); doi.org/10.1088/1367-2630/ab1171
121. Q. Y. Wong, C. Murapaka, W.C Law, W.L. Gan, G.J. Lim, W.S. Lew*, "Enhanced Spin-orbit Torques in Rare Earth Pt/[CoNi]2/Co/Tb systems", Physical Review Applied, 11, 024057 (2019); doi.org/10.1103/PhysRevApplied.11.024057
120. D. Kumar, Tianli Jin, S. Al Risi, S. Sbiaa, Wen Siang Lew, SN Piramanayagam, "Domain Wall Motion Control for Racetrack Memory Applications", IEEE Transactions on Magnetics, 55, Issue: 3, 2300708 (2019); DOI: 10.1109/TMAG.2018.2876622
119. Wai Cheung Law, Tianli Jin, Xin Tong Zhu, Ramesh Rao Nistala, Naganivetha Thiyagarajah, Chim Seng Seet , and Wen Siang Lew*, "Perpendicular magnetic anisotropy in Co/Pt multilayers induced by hcp-Ho at 400 °C", Journal of Magnetism and Magnetic Materials, 477, 124 (2019); doi.org/10.1016/j.jmmm.2019.01.023
118. S. Krishnia, P. Sethi, W. L. Gan, Q. Y. Wong, G.J. Lim, and W.S. Lew*, "Current-induced spin-orbit effective field modulations in synthetic antiferromagnetic structures”, Journal of Magnetism and Magnetic Materials, 475, 327 (2019); doi.org/10.1016/j.jmmm.2018.11.074
117. Tianli Jin, Weiliang Gan, Chuang Ma, Rudolf Schaefer, Funan Tan, Wen Siang Lew, Ivan Soldatov, Xiaoxi Liu, Wai Cheung Law, SN Piramanayagam, "Nanoscale modification of magnetic properties for effective domain wall pinning", Journal of Magnetism and Magnetic Materials, 475, 70 (2019); doi.org/10.1016/j.jmmm.2018.11.114.
116. Yong Li, Xiangjun Jin, Pengfei Pan, Fu Nan Tan, Wen Siang Lew, Fusheng Ma, "Temperature-dependent interlayer exchange coupling strength in synthetic antiferromagnetic [Pt/Co]2/Ru/[Co/Pt]4multilayers", Chinese Physics B, 27, 127502 (2018); DOI: 10.1088/1674-1056/27/12/127502
115. S. H. Li, G. J. Lim, W. L. Gan, W.C. Law, F.N. Tan and W.S. Lew*, "Tuning the spin-orbit torque effective fields by varying Pt insertion layer thickness in perpendicularly magnetized Pt/Co/Pt(t)/Ta structures", Journal of Magnetism and Magnetic Materials, 473, 394 (2018); doi.org/10.1016/j.jmmm.2018.10.104
114. D. J. J. Loy, P. A. Dananjaya, X. L. Hong, D. P. Shum, W.S. Lew*, "Conduction Mechanisms on High Retention Annealed MgO-based Resistive Switching Memory Devices", Scientific Reports, 8, 14774 (2018); doi.org/10.1038/s41598-018-33198-0).
113. R.C.X. Soh, K.W. Ang, W.S. Lew, J.C.L. Lee, "A depth dose study between AAA, AXB algorithm and 6X FFF beam against Monte Carlo simulation using AIP CT of a 4D dataset from a moving phantom", Reports of Practical Oncology and Radiotherapy, 23, 413 (2018);doi: 10.1016/j.rpor.2018.08.003.
112. W.C. Law, T. Tahmasebi, F.N. Tan, T.L Jin, W.L. Gan, R. R. Nistala, X.T. Zhu, Z.Q. Mo, H.W. Teo, C. S. Seet, A. See, S.N. Piramanayagam, and W. S. Lew*, "High temperature Ferromagnetic Resonance study on pMTJ stacks with diffusion barrier layers", Journal of Physics D: Applied Physics, 51, 405001 (2018); doi.org/10.1088/1361-6463/aad94e.
111. F.N. Tan, G.J. Lim, W.C. Law, F.L. Luo, H.X. Liu, F. Poh, D. Shum, and W.S. Lew*, "Electric Field control on Gated Pt/Co/SiO2 Heterostructure with Insulating Polymer", Journal of Physics D: Applied Physics, 51, 365001 (2018); doi.org/10.1088/1361-6463/aad541.
110. Tianli Jin, Durgesh Kumar, Weiliang Gan, Mojtaba Ranjbar, Rachid Sbiaa, Feilong Luo, Xiaoxi Liu, Wen Siang Lew, and S. Piramanayagam, "Nanoscale compositional modification in Co/Pd multilayers for controllable domain wall pinning in racetrack memory", Physica Status Solidi (RRL), 1800197 (2018); doi.org/10.1002/pssr.201800197.
109. Jose Martinez, Cong Son Ho, Zhuo Bin Siu, Mansoor Jalil, Wen Siang Lew, and Wei Liang Gan, "Theory of current-induced skyrmion dynamics close to a boundary", Journal of Magnetism and Magnetic Materials, 465, 685 (2018); doi.org/10.1016/j.jmmm.2018.06.031.
108. D. W. Wong, W. L. Gan, Y.K. Teo and W. S. Lew*, "Interplay of cell death signalling pathways mediated by alternating magnetic field gradient", Cell Death Discovery, 4, 49 (2018); doi.org/10.1038/s41420-018-0052-7.
107. Q. Y. Wong, W.L. Gan, F.L Luo, G.J. Lim, C.C.I. Ang, F.N. Tan, W.C Law, W.S. Lew*, "In-Situ Kerr harmonic measurement in determining current-induced effective fields in MgO/CoFeB/Ta", Journal of Physics D: Applied Physics, 51, 115004 (2018); doi.org/10.1088/1361-6463/aaaedb.
106. X. L. Hong, D. J. J. Loy, P. A. Dananjaya, F.N. Tan, C.M. Ng, and W.S. Lew*, "Oxide-based RRAM materials for neuromorphic computing", Journal of Materials Science, 53, 8720 (20 18), doi.org/10.1007/s10853-018-2134-6.
105. Jiangwei Cao*, Yifei Chen, Tianli Jin, Weiliang Gan, Ying Wang, Yuqiang Zheng, Hua Lv, Susana Cardoso, Dan Wei, Wen Siang Lew*, "Spin orbit torques induced magnetization reversal through asymmetric domain wall propagation in Ta/CoFeB/MgO structures", Scientific Reports, 8, 1355 (2018); doi.org/10.1038/s41598-018-19927-5
104. W. L. Gan, S. Krishnia, and W.S. Lew*, "Efficient in-line skyrmion injection method for synthetic antiferromagnetic systems", New Journal of Physics, 20,013029 (2018); doi.org/10.1088/1367-2630/aaa113
103. X. Wang, W. L. Gan, J. C. Martinez, F. N. Tan, M. B. A. Jalil and, W.S. Lew*, "Efficient skyrmion transport mediated by voltage controlled magnetic anisotropy gradient", Nanoscale, 10, 733-740 (2018), doi.org/10.1039/C7NR06482A
102. Tianli Jin, Mojtaba Ranjbar, Shikun He, Wai Cheung Law, Rachid Sbiaa, Tiejun Zhou, Wen Siang Lew, X.X. Liu, and S. Piramanayagam, "Tuning magnetic properties for domain wall pinning via localized metal diffusion", Scientific Reports, 7, 16208 (2017); doi.org/10.1038/s41598-017-16335-z.
101. S. Krishnia, P. Sethi, W. L. Gan, F. N. Kholid, M. Ramu, T. S. Herng, J. Ding, I. Purnama, and W.S. Lew*, "Role of RKKY torque on domain wall motion in synthetic antiferromagnetic nanowires with opposite spin Hall angles”, Scientific Reports, 7, 11715 (2017); doi.org/10.1038/s41598-017-11733-9
100. D. W. Wong, W. L. Gan, N. Liu and W. S. Lew*, "Magneto-actuated cell apoptosis by biaxial pulsed magnetic field", Scientific Reports 7, 10919 (2017); doi.org/10.1038/s41598-017-11279-w
99. Christian Engel, Sarjoosing Goolaup, Han Keng Teoh, Wen Siang Lew*, "Effect of geometrical modulation on pMTJ magnetization reversal", IEEE Transactions on Magnetics, Volume: 53, No.12, 7100707 (2017); DOI:10.1109/TMAG.2017.2736498.
98. Ning Liu, Jing Xu, Hong-Jie An, Dinh-Tuan Phan, Michinao Hashimoto，Wen Siang Lew*, "Direct Spraying Method for Fabrication of Paper-based Microfluidic Sensors", Journal of Micromechanics and Microengineering, 27, 104001 (2017); doi.org/10.1088/1361-6439/aa82ce.
97. Christian Engel, Sarjoosing Goolaup, Feilong Luo, and Wen Siang Lew*, "Quantitative characterization of spin-orbit torques in Pt/Co/Pt/Co/Ta/BTO heterostructure on the magnetization azimuthal angle dependence", Physical Review B, 96, 054407 (2017); doi.org/10.1103/PhysRevB.96.054407
96. Ning Liu, Dinh-Tuan Phan，Wen Siang Lew*, "An enclosed paper microfluidic chip as a sample pre-concentrator based on ion concentration polarization", IEEE Transactions on Biomedical Circuits and Systems, Volume: 11, Issue:6, 1392-1399 (December 2017) DOI: 10.1109/TBCAS.2017.2727064
95. P. Sethi, S. Krishnia, W. L. Gan, F. N. Kholid, F.N. Tan, M. Ramu and W. S. Lew*, "Bi-directional high speed domain wall motion in perpendicular magnetic anisotropy Co/Pt double stack nanowires”, Scientific Reports, 7, 4964 (2017); doi.org/10.1038/s41598-017-05409-7
94. J.S. Kwon, S. Goolaup, W.L. Gan, C. H. Chang*, Kaushik Roy, and W.S. Lew*, "Asymmetrical domain wall propagation in bifurcated PMA wire structure due to the Dzyaloshinskii-Moriya interaction", Applied Physics Letters, 110, 232402 (2017); doi.org/10.1063/1.4984750
93. Christian Engel, Sarjoosing Goolaup, Feilong Luo, and Wen Siang Lew*, "Characterizing angular dependence of spin-orbit torque effective fields in Pt/(Co/Ni)2/IrMn structure", IEEE Transaction on Magnetics, 53 Issue: 11, 1400604 (2017), DOI: 10.1109/TMAG.2017.2704520
92. Feilong Luo, Sarjoosing Goolaup, Wai Cheung Law, Sihua Li, Funan Tan, Christian Engel, Tiejun Zhou, Wen Siang Lew*, "Simultaneous determination of effective spin-orbit torque fields in magnetic structures with in-plane anisotropy", Physical Review B, 95, 174415 (2017); doi.org/10.1103/PhysRevB.95.174415
91. M. Ramu, S. Goolaup, S. Krishnia, G. J. Lim, and W. S. Lew*, "Spin orbit torque induced asymmetric depinning of chiral Néel domain wall in Co/Ni heterostructures", Applied Physics Letters, 110, 162402 (2017); doi.org/10.1063/1.4980120
90. Christian Engel, Sarjoosing Goolaup, Feilong Luo, Weiliang Gan, and Wen Siang Lew*, "Spin-orbit torque induced magnetization anisotropy modulation in Pt/(Co/Ni)4/Co/IrMn heterostructure", Journal of Applied Physics, 121, 143902 (2017); doi.org/10.1063/1.4980108
89. Sihua Li, Sarjoosing Goolaup, Jaesuk Kwon, Feilong Luo, Christian Engel, Weiliang Gan and Wen Siang Lew*, "Deterministic spin orbit torque induced magnetization reversal in Pt/[Co/Ni]2/Ta structure", Scientific Reports, 7, 972(2017); doi.org/10.1038/s41598-017-01079-7
88. R.C.X. Soh, L.K.R. Tan, M.S.L. Goh, S. Yani, F. Haryanto, W.S. Lew, J.C.L. Lee, "A gamma analysis approach to determine optimal parameters for Monte Carlo simulation of 6MV Varian Clinac iX photon beam", Journal of Health Science, 5, 36 (2017); DOI:10.17265/2328-7136/2017.01.006
87. Y.P . Liu, W.S. Lew, and Z.W. Liu, "Observation of anomalous resistance behaviour in bilayer graphene", Nanoscale Research Letters, 12, 48 (2017); doi.org/10.1186/s11671-016-1792-z.
86. H. K. Teoh, S. Goolaup, and W. S. Lew*, "Dzyaloshinskii-Moriya interaction induced domain wall de-pinning anomaly in notched nanowire with perpendicular anisotropy", Journal of Physics D: Applied Physics, 50, 015004 (2017); doi.org/10.1088/1361-6463/50/1/015004.
85. P. Sethi, S. Krishnia, S. H. Li, and W. S. Lew*, "Modulation of spin-orbit torque efficiency by thickness control of heavy metal layers in Co/Pt multilayers", Journal of Magnetism and Magnetic Materials, 426, 497(2017); doi.org/10.1016/j.jmmm.2016.11.130.
84. J.S. Kwon, S. Goolaup, C. H. Chang, Kaushik Roy, and W.S. Lew*, "Cyclic resistance change in perpendicularly magnetized Co/Ni nanowire induced by current pulse injection", Current Applied Physics, 17, 98 (2017); doi.org/10.1016/j.cap.2016.11.005.
83. R.C.X. Soh, L.K.R. Tan, M.S.L. Goh, S. Yani, F. Haryanto, W.S. Lew, J.C.L. Lee, "1D gamma analysis on the effect of mean electron energy, FWHM and xy jaws thickness for small fields", Medical Physics International Journal, 4, No.2, 157 (2016).
82. Xinghua Wang, Zhaomeng Wang, Vijaykumar B. Varma, Zhiping Wang, Ayan Ray, Wen Siang Lew, Raju V. Ramanujan, "Instability-induced mixing of ferrofluids in uniform magnetic fields", IEEE Magnetics Letters, 7, 2108305 (2016); DOI: 10.1109/LMAG.2016.2615852.
81. Fusheng Ma, C. Reichhardt, Weiliang Gan, C. J. Olson Reichhardt, and Wen Siang Lew*, "Emergent geometric frustration of artificial magnetic skyrmion crystals", Physical Review B, 94, 144405 (2016); doi.org/10.1103/PhysRevB.94.144405
80. Qi Ying Wong, Ning Liu, Cheng-Gee Koh, Hoi-Yeung Li and Wen Siang Lew*, "Isolation of magnetically tagged cancer cell through an integrated magnetofluidic device", Microfluidics and Nanofluidics, 20:139 (2016); doi.org/10.1007/s10404-016-1804-4.
79. F. L. Luo, S.H. Li, S. Goolaup, G. J. Lim, F. N. Tan, C. Engel, S. F. Zhang, F. S. Ma, T. J. Zhou, and W.S. Lew*, "Measuring the field-like term of spin-orbit torque in Ta/Co/Pt in-plane magnetization structure by planar Hall effect", Journal of Applied Physics, 120, 083908 (2016); doi.org/10.1038/s41598-019-47125-4.
78. S. Krishnia, I. Purnama, and W.S. Lew*, "Direct observation of ice-rule violation and monopole dynamics in geometrically frustrated artificial honeycomb spin ice", Journal of Magnetism and Magnetic Materials, 420, 158 (2016); doi.org/10.1016/j.jmmm.2016.07.005.
77. S. F. Zhang, W. L. Gan, J. Kwon, F. L. Luo, G. J. Lim, J. B. Wang, and W. S. Lew*, "Highly efficient domain walls injection in perpendicular magnetic anisotropy memory devices", Scientific Reports, 6, 24804 (2016); doi.org/10.1038/srep24804.
76. D. W. Wong, I. Purnama, G. J. Lim, W. L. Gan, C. Murapaka and W. S. Lew*, "Current-induced three-dimensional domain wall propagation in cylindrical NiFe nanowires", Journal of Applied Physics, 119, 153902 (2016); doi.org/10.1063/1.4946753.
75. Hiu Tung Fook, Wei Liang Gan, and Wen Siang Lew*,"Gated skyrmion transport via field-induced potential barrier modulation", Scientific Reports, 6, 21099 (2016); doi.org/10.1038/srep21099.
74. M. Chandra Sekhar, P. Sethi, S. Goolaup, and W. S. Lew*, "Reconfigurable logic via gate controlled domain wall trajectory in magnetic network structure", Scientific Reports, 6, 20130 (2016); doi.org/10.1038/srep20130.
73. P. Sethi, M. Chandra Sekhar, S. Goolaup, Y. J. Chen, S. H. Leong, and W. S. Lew*, "Direct observation of deterministic domain wall trajectory in magnetic network structures", Scientific Reports, 6, 19027 (2016); doi.org/10.1038/srep19027.
72. M.B.A. Jalil, S.G. Tan, Z.B. Siu, W.L. Gan, I. Purnama, and W.S. Lew, "Stability of topological charge of magnetic skyrmion configuration", Journal of Magnetism and Magnetic Materials, 399, 155 (2016); doi.org/10.1016/j.jmmm.2015.09.064.
71. Fusheng Ma, Yan Zhou, and Wen Siang Lew, "Magnonic bandstructure in a Skyrmion magnonic crystal", IEEE Transactions on Magnetics, 51, No.11, 1500404 (2015); DOI: 10.1109/TMAG.2015.2443181.
70. J. Kwon, S. Goolaup, G. J. Lim, I. S. Kerk, C. H. Chang, Kaushik Roy, W. S. Lew*, "Low field domain wall dynamics in artificial spin-ice basis structure", Journal of Applied Physics, 118, 163907 (2015); doi.org/10.1063/1.4934733.
69. P. Sethi, M. Chandra Sekhar, G. J. Lim, and W. S. Lew*, "In-plane current induced domain wall nucleation and its stochasticity in perpendicular magnetic anisotropy Hall cross structures", Applied Physics Letters, 107, 192401 (2015); doi.org/10.1063/1.4935347.
68. M.Y. Zhang, X.Y. Dong, Perry P. Shum, J.J. Hu, H.B Su, and W.S. Lew, and L. Wei, "Magnetic field sensor based on magnetic-fluid-coated long-period fiber grating", Journal of Optics, 17, 065402 (2015); doi.org/10.1088/2040-8978/17/6/065402.
68. Fusheng Ma, Yan Zhou, H. B. Braun, and W. S. Lew, "Skyrmion-based dynamic magnonic crystal", Nano Letters, 15, 4026 (2015); doi.org/10.1021/acs.nanolett.5b00996.
67. H. T. Fook, W.L. Gan, I. Purnama, and W.S. Lew*,"Mitigation of magnus force in current-induced skyrmion dynamics", IEEE Transactions on Magnetics, 51, No.11, 1500204 (2015); DOI:10.1109/INTMAG.2015.7157020.
66. H. K. Teoh, S. Goolaup, and W. S. Lew*, "Programmable logic operation via domain wall profile manipulation", IEEE Magnetics Letters, 6 4000204 (2015); DOI:10.1109/LMAG.2015.2434801.
65. I. Purnama, W. L. Gan, D. W. Wong, and W. S. Lew*, "Guided current-induced skyrmion motion in 1D potential well", Scientific Reports, 5, 10620 (2015); doi.org/10.1038/srep10620.
64. S. Goolaup, M. Ramu, C. Murapaka, and W. S. Lew*, "Transverse domain wall profile for logic applications", Scientific Reports, 5, 9603 (2015); doi.org/10.1038/srep09603.
63. I. Purnama, I. S. Kerk, G. J. Lim, and W.S. Lew*, "Coupled Néel domain wall motion in sandwiched perpendicular magnetic anisotropy nanowires", Scientific Reports, 5, 8754 (2015); doi.org/10.1038/srep08754.
62. M.C. Sekhar, S. Goolaup, I. Purnama, W.S. Lew*, "Coupled domain wall oscillations in magnetic cylindrical nanowires", Journal of Applied Physics, 117, 053913 (2015); doi.org/10.1063/1.4907584.
61. D. W. Wong, M. Chandra Sekhar, W. L. Gan, I. Purnama and W. S. Lew*, "Dynamics of three-dimensional helical domain wall in cylindrical NiFe nanowires", Journal of Applied Physics, 117, 17A747(2015); doi.org/10.1063/1.4919045.
60. Y. J. Chen, H. Z. Yang, S. H. Leong, K. M. Cher, J. F. Hu, P. Sethi, and W. S. Lew, "Erasure temperature measurements of heat assisted magnetic recording media", Journal of Applied Physics, 117, 17D117(2015); doi.org/10.1063/1.4914362.
59. M. Chandra Sekhar, M. Tran, L. Wang, G. C. Han and W. S. Lew,"Enhanced stability against spin torque noise in current perpendicular to the plane self-biased differential dual spin valves", Journal of Magnetism and Magnetic Materials, 374, 740 (2015); doi.org/10.1016/j.jmmm.2014.08.102.
58. C. Guite, I. S. Kerk, M.C. Sekhar, M. Ramu, S. Goolaup, and W.S. Lew*, "All-electrical single domain wall generation for on-chip applications", Scientific Reports, 4, 7459 (2014); doi.org/10.1038/srep07459.
57. M. Chandra Sekhar, P. Sethi, S. Goolaup, M. Ramu, Y. J. Chen, S. H. Leong, and W.S. Lew*, "Direct observation of domain wall evolution at a bifurcation in magnetic network structures", Applied Physics Express, 7, 113003 (2014); doi.org/10.7567/APEX.7.113003.
56. W.L. Gan, M. Chandra Sekhar, D.W. Wong, I. Purnama, S.Y. Chiam, N. Wong and W.S. Lew*, "Multi-vortex states in magnetic nanoparticles", Applied Physics Letters, 105,152405 (2014); doi.org/10.1063/1.4898349.
55. S. Krishnia, I. Purnama, and W.S. Lew*, "Remote Walker breakdown and coupling breaking in parallel nanowire systems", Applied Physics Letters, 105, 042404 (2014); doi.org/10.1063/1.4891502.
54. M. Ramu, I. Purnama, S. Goolaup, M.C. Sekhar, and W.S. Lew*, "Investigation of dominant spin wave modes by domain walls collision", Journal of Applied Physics, 115, 243908 (2014).
53. I. Purnama, M.C. Sekhar, W.S. Lew*, T. Ono, "Remote driving of multiple magnetic domain walls due to topological interaction", Applied Physics Letters, 104, 092414 (2014); doi.org/10.1063/1.4867468.
52. M.C. Sekhar, I. Purnama, S. Goolaup, W.S. Lew*, "Depinning assisted by domain wall deformation in cylindrical NiFe nanowires", Journal of Applied Physics, 115, 083913 (2014); doi.org/10.1063/1.4867004.
51. G.N. Yu, X.F. Liu , G.C. Xing, S. Chen, C.F. Ng, X.Y. Wu , E. K. L. Yeow , W. S. Lew, and T. C. Sum "Spatially-Resolved Ultrafast Optical Spectroscopy of Polymer-Grafted Residues on CVD Graphene", Journal of Physical Chemistry C, 118, 708 (2014); doi.org/10.1021/jp406675r.
50. P. Zu, C.C. Chan, G. W. Koh, W.S. Lew, Y.X. Jin, H.F. Liew, W.C. Wong, and X.Y. Dong, "Enhancement of the sensitivity of magneto-optical fiber sensor by manifying the birefringence of magnetic fluid film with Loyt-Sagnac interferomter", Sensor and Actuators B: Chemical, 191, 19 (2014); doi.org/10.1016/j.snb.2013.09.085.
49. Y.P. Liu, Z. W. Liu, W.S. Lew*, Q. J. Wang,"Temperature dependence of the electrical transport properties in few-layer graphene interconnects", Nanoscale Research Letters, 8, 335 (2013); doi.org/10.1186/1556-276X-8-335.
48. Y. X. Wang, S. Zhang, J.W. Lee, W.S. Lew, D. Sun and B. Li, "Toward hard yet tough CrAlSiN coatings via compositional grating", Surface and Coatings Technology, 231, 346 (2013); DOI:10.1016/J.SURFCOAT.2012.03.036.
47. Y.P. Liu, S. Goolaup, W.S. Lew*, I. Purnama, M. Chandra Sekhar, T.J. Zhou, and S.K. Wong, "Excitonic bandgap dependence on stacking configuration in four layer graphene", Applied Physics Letters 103, 163108 (2013); doi.org/10.1063/1.4825263.
46. Y. P. Liu, H. Idzuchi, Y. Fukuma, O. Rousseau, Y. Otani, and W. S. Lew*, "Spin injection properties in trilayer graphene lateral spin valves", Applied Physics Letters,102, 033105 (2013); doi.org/10.1063/1.477669.
45. P. Zu, C.C. Chan, W.S. Lew, Y.X. Jin, H.F. Liew, W.C. Wong, X.Y. Dong and C.Z. Foo, "Laser self-induced tunable birefringence of magnetic fluid", Applied Physics Letters 102, 181116 (2013); doi.org/10.1063/1.4804579.
44. Y. X. Wang, S. Zhang, J.W. Lee, W.S. Lew, and B. Li, "Toughing effect of Ni on nc-CrAlN/a-SiNx hard nanocomposite",Applied Surface Science 265, 418(2013); doi.org/10.1016/j.apsusc.2012.11.022.
43. M. Chandra Sekhar, H. F. Liew, I. Purnama, and W. S. Lew*, "Helical domain wall in constricted cylindrical NiFe nanowires", Applied Physics Letters 101, 152406 (2012); doi.org/10.1063/1.4758469
42. X.H. Wang, I. Purnama, M.C. Sekhar, W.S. Lew*, "Highly stable vortex state in sub-100nm nanomagnets", Applied Physics Express, 5, 053001 (2012); doi.org/10.1143/APEX.5.053001
41. Y.P. Liu, W.S. Lew*, S. Goolaup, Z.X. Shen, L. Sun, T.J. Zhou, S.K. Wong, "Observation of the semiconductor-metal transition behavior in monolayer graphene", Carbon, 50, 2273 (2012); doi.org/10.1016/j.carbon.2012.01.046.
40. P. Zu, C.C. Chan, W.S. Lew, L.M. Hu, Y.X. Jin, H.F. Liew, L.H. Chen, W.C. Wong, and X.Y. Dong, "High extinction ratio magneto-optical fiber modulator based on nanoparticle magnetic fluids", IEEE Photonic Journal, 4, 1140 (2012); DOI: 10.1109/JPHOT.2012.2205233.
39. X.H. Wang, M. Chandra Sekhar, I. Purnama, W.S. Lew*, S. Goolaup; C.X. Cong, "Magnetization reversal in nano triangles fabricated by nanosphere lithography", Thin Solid Films 520, 6980 (2012); doi.org/10.1016/j.tsf.2012.06.054.
38. Y. X. Wang, S. Zhang, J.W. Lee, W.S. Lew, and B. Li, "Influence of bias voltage on the hardness and toughness of CrAlN coatings via magnetron sputtering", Surface and Coatings Technology 206,5103 (2012); doi.org/10.1016/j.surfcoat.2012.06.041.
37. P. Zu, C.C. Chan, W.S. Lew, Y.X. Jin, Y.F. Zhang, H.F. Liew, L.H. Chen, W.C. Wong, X.Y. Dong, "Magneto-optical fiber sensor based on magnetic fluid", Optics Letters, 37, 398 (2012); doi.org/10.1364/OL.37.000398.
36. Y. X. Wang, S. Zhang, J.W. Lee, W.S. Lew, D. Sun and B. Li, "Hard yet tough ceramic coating: Not a dream anymore", Nanoscience and Nanotechnology Letters 4, 375 (2012).
35. P. Zu, C.C. Chan, W.S. Lew, L.M. Hu, Y.X. Jin, H.F. Liew, L.H. Chen, W.C. Wong, X.Y. Dong, "Temperature-insensitive magnetic field sensor based on nanoparticle magnetic fluid and photonic crystal fiber", IEEE Photonics Journal 4, 491 (2012); DOI: 10.1109/JPHOT.2012.2192473.
34. M.C. Sekhar, C.C. Wang, G.C. Han, W.S. Lew, "Effect of interlayer coupling on the reversal process of differential dual spin valves", Journal of Applied Physics, 111, 07B723 (2012); doi.org/10.1063/1.3679764.
33. X.H. Wang, W.Z. Wang, T.F. Kong, W.S. Lew*, "Domain wall trapping and influence of the asymmetry in magnetic nanoring studied by micromagnetic simulations", Journal of Nanoscience and Nanotechnology, 11 2669 (2011); DOI: 10.1166/jnn.2011.2737.
32. V. Swaminathan, H.F. Liew, W.S. Lew*, L.Y. Hu, A.T. Phan, "Photoelectrochemical studies of DNA-tagged biomolecules on Au and Au/Ni/Au multilayer nanowires", Nanoscale Research Letters, 6, 535 (2011); doi.org/10.1186/1556-276X-6-535.
31. M.C. Sekhar, S. Goolaup, I. Purnama, W.S. Lew*, "Crossover in domain wall potential polarity as a function of anti-notch geometry", Journal of Physics D-Applied Physics, 44, 235002 (2011); doi.org/10.1088/0022-3727/44/23/235002.
30. P. Zu, C.C. Chan, W.S. Lew, Y.X. Jin, Y.F. Zhang, H.F. Liew, L.H. Chen, and X.Y. Dong, "Magneto-optic fiber Sagnac modulator based on magnetic fluids", Optics Letters 36, 1425 (2011); doi.org/10.1364/OL.36.001425.
29. I. Purnama, M.C. Sekhar, S. Goolaup, W.S. Lew*, "Current-induced coupled domain wall motions in a two-nanowire system", Applied Physics Letters, 99, 152501 (2011); doi.org/10.1063/1.3650706.
28. I. Purnama, M.C. Sekhar, S. Goolaup, W.S. Lew*, "Collective motion assisted by magnetostatic interactions in coupled domain wall system", IEEE Transactions on Magnetics, 47, No.10, 00189464 (2011); DOI:10.1109/TMAG.2011.2158635.
27. H. F. Liew and W. S. Lew*, "Fabrication of constricted compositionally-modulated NixFe1−x nanowires",Journal of Physics: Conference Series 266, 012058 (2011); doi.org/10.1088/1742-6596/266/1/012058.
26. X. H. Wang, I. Purnama, S. Goolaup and W. S. Lew*, "Field effect on domain wall trapping and domain wall motion in notch free NiFe asymmetric nanorings",Journal of Physics: Conference Series 266, 012085 (2011); doi.org/10.1088/1742-6596/266/1/012085.
25. S.Goolaup, S. C. Low, M. Chandra Sekhar and W. S. Lew*, "Dependence of pinning on domain wall spin structure and notch geometry", Journal of Physics: Conference Series 266, 012079 (2011); doi.org/10.1088/1742-6596/266/1/012079.
24. Y.P. Liu, W.S. Lew*, L. Sun, "Enhanced weak localization effect in few-layer graphene", Physical Chemistry Chemical Physics, 13, 20208 (2011); doi.org/10.1039/C1CP22250C.
23. Y.P. Liu, W.S. Lew*, S. Goolaup, H.F. Liew, S.K. Wong, T.J. Zhou, "Observation of oscillatory resistance behavior in coupled bernal and rhombohedral stacking graphene", ACS Nano 5, 5490 (2011); doi.org/10.1021/nn200771e.
22. T.F. Kong, H. Shin, H.S. Sugiarto, H.F. Liew, X.H. Wang, W.S. Lew*, N.T. Nguyen, Y. Chen, "An efficient microfluidic sorter: implementation of double meandering micro striplines for magnetic particles switching", Microfluidics and Nanofluidics 10, 1069 (2011); doi.org/10.1007/s10404-010-0735-8.
21. X.H. Wang, S. Goolaup, W.S. Lew*, "Dependence of domain wall stability on vortex chirality in asymmetric nanoring", Applied Physics Letters, 97, 142504 (2010); doi.org/10.1063/1.3498026.
20. Y.P. Liu, S. Goolaup, C. Murapaka, W.S. Lew*, S.K. Wong, "Effect of magnetic field on the electronic transport in trilayer graphene", ACS Nano, 4, 7087 (2010); doi.org/10.1021/nn101296x.
19. X.H. Wang, W.K. Peng, W.S. Lew*, "Flux-closure chirality control and domain wall trapping in asymmetric magnetic ring", Journal of Applied Physics, 106,043905 (2009); doi.org/10.1063/1.3197413.
18. F. van Belle, T.J. Hayward, J.A.C. Bland, W.S. Lew, "Coercivity engineering of exchange biased magnetic multilayer samples for digital encoding applications", Journal of Applied Physics, 102, 103908 (2007); doi.org/10.1063/1.2798938.
17. J.J. Palfreyman, F. van Belle, W.S. Lew, T. Mitrelias, J.A.C. Bland, M. Lopalco, M. Bradley, "Hybridization of electrodeposited magnetic multilayer micropillars", IEEE Transactions on Magnetics, 43, 2439 (2007); DOI: 10.1109/TMAG.2007.893863.
16. Z.H. Wang, W.S. Lew, J.A.C. Bland, "Manipulation of superparamagnetic beads using on-chip current lines placed on a ferrite magnet", Journal of Applied Physics, 99, 08P104 (2006); doi.org/10.1063/1.2151824.
15. F. van Belle, W.S. Lew, C.A.F. Vaz, J.A.C. Bland, "Coercivity and switching field - Engineered magnetic multilayers for 3-D patterned media", IEEE Transactions on Magnetics, 42, 2957 (2006); DOI: 10.1109/TMAG.2006.878418.
14. W.S. Lew, S.P. Li, J.A.C. Bland, "Two-jump magnetic switching in ultrathin Co(001) films probed by giant magnetoresistance measurements", Journal of Magnetism and Magnetic Materials, 307, 232 (2006); doi.org/10.1016/j.jmmm.2006.04.027.
13. S.J. Steinmuller, T. Trypiniotis, W.S. Cho, A. Hirohata, W.S. Lew, C.A.F. Vaz, J.A.C. Bland, "Highly efficient spin filtering of ballistic electrons", Physical Review B, 69, 153309 (2004); doi.org/10.1103/PhysRevB.69.153309.
12. W.S. Lew, S.P. Li, L. Lopez-Diaz, D.C. Hatton, J.A.C. Bland, "Mirror domain structures induced by interlayer magnetic wall coupling", Physical Review Letters, 90, 217201 (2003); doi.org/10.1103/PhysRevLett.90.217201.
11. S.P. Li, W.S. Lew, J.A.C. Bland, M. Natali, A. Lebib, Y. Chen, "Intrinsic anisotropy-defined magnetization reversal in submicron ring magnets", Journal of Applied Physics, 92, 7397 (2002); doi.org/10.1063/1.1518765.
10. S.P. Li, W.S. Lew, J.A.C. Bland, L. Lopez-Diaz, C.A.F. Vaz, M. Natali, Y. Chen, "Magnetic domain confinement by anisotropy modulation", Physical Review Letters, 88, 087202 (2002); doi.org/10.1103/PhysRevLett.88.087202.
9. S.P. Li, W.S. Lew, J.A.C. Bland, L. Lopez-Diaz, M. Natali, C.A.F. Vaz, Y. Chen, "Microstructures - Spin-engineering magnetic media", Nature, 415, 600 (2002); doi.org/10.1038/415600a.
8. A. Hirohata, C.M. Guertler, W.S. Lew, Y.B. Xu, J.A.C. Bland, S.N. Holmes, "Test of ballistic spin-polarized electron transport across ferromagnet/semiconductor Schottky interfaces", Journal of Applied Physics, 91, 7481 (2002); doi.org/10.1063/1.1447198.
7. J.A.C. Bland, W.S. Lew, S.P. Li, L. Lopez-Diaz, C.A.F. Vaz, M. Natali, Y. Chen, "Spin confinement by anisotropy modulation", Journal of Physics D-Applied Physics, 35, 2384 (2002); doi.org/10.1088/0022-3727/35/19/309.
6. S.P. Li, A. Lebib, D. Peyrade, M. Natali, Y. Chen, W.S. Lew, J.A.C. Bland, "Magnetic anisotropy in a permalloymicrogrid fabricated by near-field optical lithography", Journal of Applied Physics, 90, 521 (2001); doi.org/10.1063/1.1379048.
5. W.S. Lew, A. Ercole, G. Lauhoff, E.T.M. Kernohan, J. Lee, J.A.C. Bland, "Temperature dependence of spin waves in Co/CoO bilayers", Journal of Applied Physics, 89, 7654 (2001); doi.org/10.1063/1.1359463.
4. S.P. Li, A. Samad, W.S. Lew, Y.B. Xu, J.A.C. Bland, "Magnetic domain reversal in ultrathin Co(001) films probed by giant magnetoresistance measurements", Physical Review B, 61, 6871 (2000); doi.org/10.1103/PhysRevB.61.6871.
3. S.P. Li, W.S. Lew, Y.B. Xu, A. Hirohata, A. Samad, F. Baker, J.A.C. Bland, "Magnetic nanoscale dots on colloid crystal surfaces", Applied Physics Letters, 76, 748 (2000); doi.org/10.1063/1.125882.
2. W.S. Lew, A. Samad, S.P. Li, L. Lopez-Diaz, G.X. Cheng, J.A.C. Bland, "Magnetic properties of epitaxial NiFe/Cu/Co spin-valve structures on GaAs(001)", Journal of Applied Physics, 87, 5947 (2000); doi.org/10.1063/1.372575.
1. A. Ercole, W.S. Lew, G. Lauhoff, E.T.M. Kernohan, J. Lee, J.A.C. Bland, "Temperature-dependent spin-wave behavior in Co/CoO bilayers studied by Brillouin light scattering", Physical Review B, 62, 6429 (2000); doi.org/10.1103/PhysRevB.62.6429.