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Conference Presentations

A record of conference talks and posters spanning spin-orbit torque devices, skyrmion dynamics, domain wall physics, resistive switching, and neuromorphic memory.

Showing 191 out of 191 records

191

Enhanced Resistive Switching in Ta2O5-Based Stacks for Non-Volatile Memory

Yuanmin Du, Putu Andhita Dananjaya, Wen Siang Lew

ICMAT2023, Singapore

190

Tuneable Coercivity Via Current Compliance in Tunnel Junction Device

Funan Tan, Calvin Lee, Tianli Jin, Wen Siang Lew

ICMAT2023, Singapore

189

High performance, flexible and thermally stable all-solid-state organic electrochemical transistor based on thermoplastic polyurethane ion-gel

Kunqi Hou, Wen Siang Lew, Wei Lin Leong

ICMAT2023, Singapore

188

Topological Insulator Spin Orbit-torque Enhancement Via Insertion Layer and Crystallinity Control of Bisb(012)

H. Y. Poh, C. C. I. Ang, G.J. Lim, W.S. Lew

ICMAT2023, Singapore

187

Enhancement of Resistive Switching In HfO2-Based Devices Through Oxygen Plasma Treatment

J.R. Thong, Y.M. Du, E.K. Koh, X.X.C.Lee, H.Y. Poh, W.S. Lew

ICMAT2023, Singapore

186

Tuning Spin-Orbit Torque Generation Via Seed/Heavy Metal Interface Modification

Tianli Jin, Wen Siang Lew

INTERMAG 2023, Sendai, Japan

185

Influence of magnetic moments on spin-orbit torque efficiency from topological surface state in TI/FM interface

H.Y. Poh, W.S. Lew

INTERMAG 2023, Sendai, Japan

184

Quantification of Spin Accumulation in Ferromagnetic Heterostructure using DC Bias Harmonic Hall Measurement

H. Y. Poh, C. C. I. Ang, G.J. Lim, W.S. Lew

INTERMAG 2023, Sendai, Japan

183

BiSb(012) Crystallinity and Strong Spin Orbit-Torque Enhancement Using Insertion Layer

H. Y. Poh, C. C. I. Ang, S.H. Lee, G.J. Lim, T.L Jin, W.S. Lew

2022 MRS Fall Meeting & Exhibit, Boston, Massachusetts, USA

182

Influence of Humidity Level on Synaptic Behaviour of Redox Transistors with Proton Defects Enhanced Electrochemical Reaction

Lingli Liu, Putu Andhita Dananjaya, Mun Yin Chee, Calvin Lee Xiu Xian, Gerard Joseph Lim, Wen Siang Lew

2022 MRS Fall Meeting & Exhibit, Boston, Massachusetts, USA

181

Operando Direct Observation of Filament Formation in Resistive Switching Devices Enabled by a Topological Transformation Molecule

Kunqi Hou, Wen Siang Lew, and Wei Lin Leong

2022 MRS Fall Meeting & Exhibit, Boston, Massachusetts, USA

180

Stimulation Rate-Dependent 1S1R Synapse with Short-Term Plasticity TiOx-Based Exponential Selector

Mun Yin Chee, Putu Andhita Dananjaya, Gerard Joseph Lim, Yuanmin Du, Wen Siang Lew

2022 MRS Fall Meeting & Exhibit, Boston, Massachusetts, USA

179

All-electrical Manipulation of Multiple Magnetization States via Modifying Magnetic Anisotropy for Emulating Synaptic Devices

Tianli Jin, F. Tan, H. Y. Poh, S. H. Lee, S. Wu, G. J. Lim, W. S. Lew

2022 Annual Conference on Magnetism and Magnetic Materials (MMM 2022), Minneapolis, USA

178

Topological Insulator Spin Orbit-Torque Enhancement via Insertion Layer and Crystallinity Control of BiSb(012)

H. Y. Poh, C. C. I. Ang, S.H. Lee, G.J. Lim, T.L Jin, W.S. Lew

2022 Annual Conference on Magnetism and Magnetic Materials (MMM 2022), Minneapolis, USA

177

Frequency-dependent 1S1R synapse with a short-term plasticity TiOx-based exponential selector

Mun Yin Chee, Putu Andhita Dananjaya, Gerard Joseph Lim, Yuanmin Du, Wen Siang Lew

2nd International Conference on Materials for Humanity (MH 2022), Singapore

176

Humidity-related synaptic behavior of redox transistors with proton defects enhanced electrochemical reaction

Lingli Liu, Putu Andhita Dananjaya, Mun Yin Chee, Calvin Lee Xiu Xian, Gerard Joseph Lim, Wen Siang Lew

2nd International Conference on Materials for Humanity (MH 2022), Singapore

175

Resistive Switching Improvement of TaOx-based CBRAM with Co-Cu alloy electrode

Calvin Lee, Putu Andhita Dananjaya, Mun Yin Chee, Han Yin Poh, Funan Tan, Jia Rui Thong, Lingli Liu, Gerard Joseph Lim, Yuanmin Du, Wen Siang Lew

2nd International Conference on Materials for Humanity (MH 2022), Singapore

174

All electrical-induced multiple resistant states via modifying magnetic anisotropy for emulating synaptic memory

Tianli Jin, Funan Tan, Mun Yin Chee, Gerard Joseph Lim, Wen Siang Lew

2nd International Conference on Materials for Humanity (MH 2022), Singapore

173

Enhancement of spin-orbit torque in Pt/Co/HfOx heterostructures with voltage-controlled oxygen ion migration

Shuo Wu, Tianli Jin, Funan Tan, Calvin Ching Ian Ang, Han Yin Poh, Gerard Joseph Lim, Wen Siang Lew

2nd International Conference on Materials for Humanity (MH 2022), Singapore

172

Quantification of Spin Accumulation Magnetoresistance in Ferromagnetic heterostructure using DC Bias Harmonic Hall Measurement

H. Y. Poh, C. C. I. Ang, W. L. Gan, G.J. Lim, W.S. Lew

Joint European Magnetic Symposia (JEMS 2022), Warsaw, Poland

171

Spin reflection induced field-free magnetization switching in perpendicularly magnetized MgO/Pt/Co heterostructures

Tianli Jin, Gerard J. Lim, H. Y. Poh, S. Wu, F. Tan, W. S. Lew

IEEE Magnetics Symposium 2021, IEEE Magnetics Society, Singapore

170

Quantification of spin accumulation magnetoresistance using DC bias harmonic Hall measurement

Han Yin Poh, Calvin Ching Ian Ang, Wei Liang Gan, Gerard Lim, Wen Siang Lew

IEEE Magnetics Symposium 2021, IEEE Magnetics Society, Singapore

169

Skyrmion density modulation via current-induced skyrmion-to-stripe transformation

Calvin Ching Ian Ang, WeiLiang Gan, Grayson Dao Hwee Wong, Wen Siang Lew

INTERMAG 2021, Virtual Conference

168

Spin Hall conductivity enhancement of tungsten by copper alloying

B. Coester, G.D.H Wong, Z. Xu, J. Tang, W.L. Gan, W.S. Lew

INTERMAG 2021, Virtual Conference

167

Bulk-limited Effect in Gradual Conductance Switching Behaviour of HfOx-based Memristive Devices for Analog Synaptic Device Applications

P. A. Dananjaya, D. J. J. Loy, M. Y. Chee, C. W. Chow, J. M. Ang, K. Hou, J. R. Thong, S. Chakrabarti, Y. C. Ee, W. S. Lew

2020 IEEE Silicon Nanoelectronics Workshop (SNW), Honolulu, Hawaii, USA

166

Impact of Stopping Voltage and Hopping Conduction on the Oxygen Vacancy Concentration of Multi-Level HfO2-Based Resistive Switching Devices

D.J.J. Loy, P.A. Dananjaya, S. Chakrabarti, K.H. Tan, C.W. Chow, M.Y. Chee, J.R. Thong, K. Hou, J. M. Ang, G. J. Lim, Y. C. Ee, E. H. Toh, W. S. Lew

2020 IEEE Silicon Nanoelectronics Workshop (SNW), Honolulu, Hawaii, USA

165

Effects of Thermal Annealing on Ta2O5 based CMOS compatible RRAM

S. Chakrabarti, J. M. Ang, J. R. Thong, K. Hou, M. Y. Chee, P. A. Dananjaya, D. J. J. Loy, Y. C. Ee, W. S. Lew

2020 IEEE Silicon Nanoelectronics Workshop (SNW), Honolulu, Hawaii, USA

164

Skyrmion density modulation via current-induced skyrmion-stripe transformation

Calvin Ching Ian Ang, Wei Liang Gan, Grayson Dao Hwee Wong, Wen Siang Lew

IEEE Magnetics Symposium 2020, IEEE Magnetics Society, Singapore

163

Exploring the Power – Prediction Accuracy Trade-Off in a Deep Learning Neural Network using Wide Compliance RRAM Device

N.L. Prabhu, D. J. J. Loy, P.A. Dananjaya, E. H. Toh, W. S. Lew, N. Raghavan

2019 IEEE International Symposium on Next-Generation Electronics, Zhengzhou PR China

162

Correlation Between Traps Jumping Distance and Gradual Conductance Change Under Different Conductance Update Schemes in HfOx-based Memristive Devices

P. A. Dananjaya, D. J. J. Loy, X. L. Hong, W. S. Lew

2019 MRS Spring Meeting & Exhibit, Phoenix, Arizona, USA

161

Nearest Neighbor Hopping in High Retention MgO-based Resistive Switching Devices in the High Resistance State

D. J. J. Loy, P. A. Dananjaya, W. C. Law, J. G. Lim, F. N. Tan, X. L. Hong, C. W. Chow, E. H. Toh, W. S. Lew

2019 MRS Spring Meeting & Exhibit, Phoenix, Arizona, USA

160

Hopping Conduction Temperature Investigations on High Retention Electrochemical Metallization MgO-based Resistive Switching Devices in the Low Resistance State

D. J. J. Loy, P. A. Dananjaya, W. C. Law, J. G. Lim, F. N. Tan, X. L. Hong, C. W. Chow, E. H. Toh, W. S. Lew

2019 3rd Electron Devices Technology and Manufacturing (EDTM) Conference, Singapore

159

Skyrmion ratchet for single-electrode skyrmion transport

W. L. Gan, C.C.I. Ang, X Wang, and W. S. Lew

2019 Annual Conference on Magnetism and Magnetic Materials (MMM 2019), Las Vegas, USA

158

An accurate model for skyrmion dynamics under spin-orbit torques

W. L. Gan, I. Purnama, J. C. Martinez, T. Taniyama and W. S. Lew

2019 Annual Conference on Magnetism and Magnetic Materials (MMM 2019), Las Vegas, USA

157

Enhanced Spin Orbit Torques in Rare Earth Pt/[Co/Ni]2/Co/Tb Systems

Q. Y. Wong, C. Murapaka, W.C Law, W.L. Gan, G.J. Lim, W.S. Lew

2019 Annual Conference on Magnetism and Magnetic Materials (MMM 2019), Las Vegas, USA

156

Reconfigurable spin orbit torque logic

Gerard Joseph Lim, Weiliang Gan, Wen Siang Lew

2019 Annual Conference on Magnetism and Magnetic Materials (MMM 2019), Las Vegas, USA

155

Synaptic Element For Neuromorphic Computing Using Magnetic Domain Wall Device With Synthetic Pinning Sites

T. Jin, N. Sernicola, W. Gan, F. Tan, W.S. Lew and S. Piramanayagam

2019 Annual Conference on Magnetism and Magnetic Materials (MMM 2019), Las Vegas, USA

154

Meander Domain Wall Device as a Synaptic Element for Neuromorphic Computing

N. Sernicola, T. Jin, D. Kumar, W. S. Lew, R. Sbiaa and S. Piramanayagam

2019 Annual Conference on Magnetism and Magnetic Materials (MMM 2019), Las Vegas, USA

153

Exploring the Power – Prediction Accuracy Trade-Off in a Deep Learning Neural Network using Wide Compliance RRAM Device

Nagaraj Lakshmana Prabhu, Desmond Loy Jia Jun, Putu Andhita Dananjaya, Eng Huat Toh, Wen Siang Lew and Nagarajan Raghavan

The 8th IEEE International Symposium on Next-Generation Electronics (ISNE 2019), Zhengzhou, PR China

152

Control of domain wall motion with tilted magnetization for domain wall devices

T. Jin, F. Tan, C.C. Ang, W. Gan, J. Cao, W.S. Lew and S. Piramanayagam

Joint MMM-INTERMAG 2019, Washington DC, USA

151

Electrical detection of artificial skyrmion in synthetic anti-ferromagnetic nanostructures at room temperature

F. Ma, Q. Feng, S. Li, Y. Li, X. Jin, Q. Lu and W.S. Lew

Joint MMM-INTERMAG 2019, Washington DC, USA

150

Development strategy for pMTJ free layer with high thermal stability at operating temperatures

Wai Cheung Law, Tian Li Jin, Grayson Dao Hwee Wong, Ganesh Kolliyil Rajan, Wei Liang Gan, Seet Chim Seng, Alex See, S. N. Piramanayagam and Wen Siang Lew

5th International Conference of Asian Union of Magnetics Societies 2018, Jeju, Korea

149

Role of effective anisotropy in temperature gradient-induced skyrmion motion

X. Wang, W. L. Gan, T. L. Tian, and Wen Siang Lew

INTERMAG 2018, Singapore

148

Chiral magnetization switching induced by spin orbit torque in Pt/Co/Ta structure

S.H. Li, Wen Siang Lew

INTERMAG 2018, Singapore

147

Pinning sites with tiled magnetisation for domain wall motion control in racetrack memory

T.L. Jin, F.N. Tan, W.L. Gan, J.W. Cao, W. S.Lew, and S. Piramanayagam

INTERMAG 2018, Singapore

146

The effect of inserting a Pt layer in Pt/Co/Ta structure on spin orbit torque

S.H. Li, G. J. Lim, Wen Siang Lew

INTERMAG 2018, Singapore

145

High speed bilayer skyrmion transport by voltage controlled magnetic anisotropy gradient

C. C.I. Ang, W.L. Gan, Wen Siang Lew

INTERMAG 2018, Singapore

144

Spintronic devices for emerging technologies in memory and biomedical applications

Wen Siang Lew

11th India-Singapore Joint Physics Symposium (2018), Singapore

143

Characterizing spin-orbit torque effective fields and spin accumulation

Wen Siang Lew

15th RIEC International Workshop on Spintronics (2017), Sendai, Japan

142

Temperature Dependence Of Spin Orbit Torque Induced Magnetization Switching In Co/Pt Multilayers

Gerard Joseph Lim, and Wen Siang Lew

62nd Annual Conference on Magnetism and Magnetic Materials (MMM 2017), Pittsburgh, USA

141

In-situ high temperature FMR measurements of pMTJ with various diffusion barrier cap

Wai Cheung Law, Taiebeh Tahmasebi, Funan Tan, Weiliang Gan, Gerard Joseph Lim, Seet Chim Seng, Alex See, Wen Siang Lew

62nd Annual Conference on Magnetism and Magnetic Materials (MMM 2017), Pittsburgh, USA

140

Time Dynamics Study of Voltage Control Magnetic Anisotropy Using Gate Polymer

F.N. Tan, G.J. Lim, W.C. Law, F.L. Luo, H.X. Liu, F. Poh, D. Shum and W.S. Lew

62nd Annual Conference on Magnetism and Magnetic Materials (MMM 2017), Pittsburgh, USA

139

HZ Biased Field Modulation of The Harmonic Measurement In The Determination Of The Effective Fields In MgO/CoFeB/W

Q.Y. Wong, G.J. Lim, W.L. Gan, W.S. Lew

62nd Annual Conference on Magnetism and Magnetic Materials (MMM 2017), Pittsburgh, USA

138

Spin Hall effect induced SOT fields in perpendicular magnetized Co/Ni multilayer systems

Sihua Li, Sarjoosing Goolaup, Feilong Luo, and Wen Siang Lew

INTERMAG 2017, Dublin, Ireland

137

Observation of Large Planar Hall Effect on the Current Induced Spin-orbit Effective Fields in Ta/MgO/CoFeB/Ta

Q. Y. Wong, W.L. Gan, F.L Luo, and W.S. Lew

INTERMAG 2017, Dublin, Ireland

136

Giant damping-like spin orbit torque in perpendicular magnetized double Pt/Co stack structure

Sihua Li, Sarjoosing Goolaup, and Wen Siang Lew

INTERMAG 2017, Dublin, Ireland

135

SOT induced magnetization reversal in Pt/[Co/Ni]2/Co/Ta multilayer Hall bars without external magnetic field

Sihua Li, Sarjoosing Goolaup, Weiliang Gan and Wen Siang Lew

INTERMAG 2017, Dublin, Ireland

134

Skyrmion in-line injection and driving by spin Hall torque

Weiliang Gan, Sachin Krishnia, Qi Ying Wong, Wai Cheung Law, Gerard Joseph Lim and Wen Siang Lew

INTERMAG 2017, Dublin, Ireland

133

In vitro magneto-mechanical cancer cell destruction efficacy under biaxial DC pulsed magnetic field

D. W. Wong, W. L. Gan, N. Liu, and W. S. Lew

INTERMAG 2017, Dublin, Ireland

132

Simultaneous characterization of the effective fields of spin-orbit torque in in-plane magnetic anisotropy structures

Feilong Luo, Sarjoosing Goolaup, Wai Cheung Law, Sihua Li, Funan Tan, Christian Engel, Wen Siang Lew

INTERMAG 2017, Dublin, Ireland

131

Quantitative characterization of Spin-Orbit Torques in Pt/Co/Pt /Co/Ta heterostructure on the Magnetization azimuthal angle dependence

Christian Engel, Sarjoosing Goolaup, Feilong Luo, and Wen Siang Lew

INTERMAG 2017, Dublin, Ireland

130

Quantifying data retention and the effect of radiation on domain wall memory devices

S. Krishnia, P. Sethi, W. L. Gan, I. Purnama, R. Maddu, and W. S. Lew

INTERMAG 2017, Dublin, Ireland

129

Angular dependence of spin-orbital torque induced magnetization switching in synthetic antiferromagnetic structures

S. Krishnia, P. Sethi, W. L. Gan, Q. Y. Wong, and W. S. Lew

INTERMAG 2017, Dublin, Ireland

128

Spin orbital torque induced effective field modulation in synthetic antiferromagnetic structures

S. Krishnia, P. Sethi, W. L. Gan, Q. Y. Wong, and W. S. Lew

INTERMAG 2017, Dublin, Ireland

127

Current induced modulation of Magnetic Anisotropy in Antiferromagnetic-Ferromagnetic-Heavy Metal structure

C. Engel, P. Seth, S. Goolaup and W. S. Lew

61st Annual Conference on Magnetism and Magnetic Materials (MMM 2016), New Orleans, USA

126

Highly efficient magnetization switching by spin-orbit torque in magnetic multi-layers

Pankaj Sethi, Sachin Krishnia, Si Hua Li, Chen Yunjie, Leong Siang Huei, Wen Siang Lew

61st Annual Conference on Magnetism and Magnetic Materials (MMM 2016), New Orleans, USA

125

Spin-orbit torque induced high speed domain wall motion in Co/Pt dual stack

Pankaj Sethi, Sachin Krishnia, Weiliang Gan, Farhan N. Kholid, Ramu Maddu, Chen Yunjie, Leong Siang Huei, Wen Siang Lew

61st Annual Conference on Magnetism and Magnetic Materials (MMM 2016), New Orleans, USA

124

Effect of the interlayer exchange torque on the domain wall dynamics in perpendicularly magnetized synthetic antiferromagnetic nanowires

S. Krishnia, P. Sethi, W. L. Gan, F. N. Kholid, I. Purnama, M. Ramu, T. S. Herng, J. Ding and W. S. Lew

61st Annual Conference on Magnetism and Magnetic Materials (MMM 2016), New Orleans, USA

123

Characterizing Spin Orbit Torque in In-plane Magnetized Systems

S. Goolaup and W. S. Lew

Magnetics Symposium 2016, Singapore

122

Stray field interference of free layer switching in perpendicular magnetic anisotropy magnetic tunnel junction

D. W. Wong, N. Thiyagarajah, H. Yang, W. L. Gan, S. Ye, H. Cong, A. See, and W.S. Lew

Magnetics Symposium 2016, Singapore

121

Shape-dependent dynamics of skyrmion under spin orbit torque

Indra Purnama, Weiliang Gan, and W.S. Lew

The 4th International Conference of Asian Union of Magnetics Societies (IcAUMS 2016), Tainan, Taiwan

120

Interfacial Dzyaloshinkii-Moriya interaction-induced domain wall depinning anomaly

Gerard Lim, H.K. Teoh, S. Goolaup, C. Engel, and W.S. Lew

The 4th International Conference of Asian Union of Magnetics Societies (IcAUMS 2016), Tainan, Taiwan

119

Flip-Flop SR Latch and Half-Adder Logic Circuit Configurations using SOT-MTJ

D. J. J. Loy, Gerard Lim, S. Goolaup, and W.S. Lew

The 4th International Conference of Asian Union of Magnetics Societies (IcAUMS 2016), Tainan, Taiwan

118

Characterization of the field-like term of spin-orbit torque in Ta/Co/Pt by sweeping transverse field

F. L. Luo, Gerard Lim, S. Goolaup, C. Engel, T. J. Zhou, and W.S. Lew

The 4th International Conference of Asian Union of Magnetics Societies (IcAUMS 2016), Tainan, Taiwan

117

Spin-related effects in heavy metal/ferromagnet/antiferromagnet layer structure

C. Engel, Weiliang Gan, S. Goolaup and W. S. Lew

The 4th International Conference of Asian Union of Magnetics Societies (IcAUMS 2016), Tainan, Taiwan

116

Three terminal skyrmion device for memory applications

W.L. Gan, H. T. Fook, and W.S. Lew

The 4th International Conference of Asian Union of Magnetics Societies (IcAUMS 2016), Tainan, Taiwan

115

Electric-field control of Skyrmion motion

H. T. Fook, W.L. Gan, and W.S. Lew

The 4th International Conference of Asian Union of Magnetics Societies (IcAUMS 2016), Tainan, Taiwan

114

Spin orbit torque in Multilayered Stack Structures

Sarjoosing Goolaup, Sihua Li, Feilong Luo, Christian Engel, and Wen Siang Lew

IUMRS-International Conference on Electronics Materials 2016, Singapore

113

Non-volatile magnetic logic

Wen Siang Lew

15th Magnetics and Optics Research International Symposium (MORIS 2015), Penang, Malaysia

112

Chirality-dependent domain wall pinning and oscillation at Ta hall probe in perpendicular magnetic anisotropy nanowires

J.S. Kwon, H.K. Teoh, S. Goolaup, G. J. Lim, C. H. Chang, R. Kaushik, and W. S. Lew

2016 Joint MMM-Intermag Conference, San Diego, USA

111

Spin-Hall torque induced domain wall motion in PMA nanowire network

J.S. Kwon, H.K. Teoh, S. Goolaup, G. J. Lim, C. H. Chang, R. Kaushik, and W. S. Lew

2016 Joint MMM-Intermag Conference, San Diego, USA

110

In-plane current induced domain wall nucleation and oscillations in perpendicular anisotropy Hall cross structures

P. Sethi, M. Chandra Sekhar, and W.S. Lew

2016 Joint MMM-Intermag Conference, San Diego, USA

109

Programmable logic device by controlling domain wall trajectory in magnetic network structures

P. Sethi, M. Chandra Sekhar, S. Goolaup, and W.S. Lew

2016 Joint MMM-Intermag Conference, San Diego, USA

108

Gateable Skyrmion transport via field-induced potential barrier modulation

H. T. Fook, W.L. Gan, I Purnama and W.S. Lew

2016 Joint MMM-Intermag Conference, San Diego, USA

107

Dynamics and control of electric field-induced Skyrmion motion

H. T. Fook, W.L. Gan, I Purnama and W.S. Lew

2016 Joint MMM-Intermag Conference, San Diego, USA

106

Highly efficient Skyrmion transport and nucleation using spin-orbit torque

W.L. Gan, H. T. Fook, and W.S. Lew

2016 Joint MMM-Intermag Conference, San Diego, USA

105

Modified Thiele equation with spin orbit torque for Skyrmion dynamics

Indra Purnama, S. G. Wu, W.L. Gan and W.S. Lew

2016 Joint MMM-Intermag Conference, San Diego, USA

104

Rectification of Skyrmion motion in a circular ratchet channel

Fusheng Ma and Wen Siang Lew

2016 Joint MMM-Intermag Conference, San Diego, USA

103

Deterministic motion of domain wall in magnetic network structures

Pankaj Sethi, C. Murapaka, S. Goolaup and W. S. Lew

6th Annual Symposium on Magnetics 2015, Singapore

102

Effect of Geometrical Modulation on Magnetization Switching by Spin-Orbit Torque

C. Engel, H. K. Teoh, S. Goolaup and W. S. Lew

6th Annual Symposium on Magnetics 2015, Singapore

101

Dynamics of Guided Skyrmions in Magnetic nanotracks

Fusheng Ma, Wei Liang Gan, Hiu Tung Fook, Indra Purnama, Wen Siang Lew

6th Annual Symposium on Magnetics 2015, Singapore

100

Disruptive Fibre-Based Magnetic Field Sensor

M.Y. Zhang, X.Y. Dong, Perry P. Shum, J.J. Hu, H.B Su, W.S. Lew, and L. Wei

Optoelectronic Global Conference 2015, Shenzhen, PR China

99

Non-volatile Magnetic Logic Devices

Wen Siang Lew

InnovFest Unbound 2015, Singapore

98

Microwave-assisted sequential injection of domain walls in magnetic nanowire driven by spin-transfer torque

Fusheng Ma and Wen Siang Lew

ICMAT 2015, Singapore

97

Current driven dynamics of skyrmion-chain in magnetic nanowire

Fusheng Ma and Wen Siang Lew

ICMAT 2015, Singapore

96

Manipulation of transverse domain wall profile for logic Devices

R. Maddu, S. Goolaup, M. Chandra Sekhar, and W.S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

95

Circuit architecture for NAND logic operation via STT-MTJ

Desmond J. J. Loy, S. Goolaup, and W.S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

94

Multi-vortex magnetic nanoparticles: A twin-functionalized agent for magnetomechanical cancer-cell destruction and hyperthermia

D. W. Wong, N. Liu, C. B. Tan, W. L. Gan, I. Purnama, and W. S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

93

Investigation of p-MTJ stability for application purposes

C. Engel, S. Goolaup, and W.S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

92

Non-symmetricity for faster switching in p-MTJ structure

C. Engel, S. Goolaup, and W.S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

91

Skyrmion pinning dynamics in nanostructures for diode and symmetric operations

H. T. Fook, C. C. I. Ang, W.L. Gan, I. Purnama, and W.S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

90

Domain Wall annihilation via phase correction in cylindrical nanowires

S. Goolaup, R. Maddu, M. Chandra Sekhar, and W.S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

89

Ice-rule violation and magnetic monopoles hopping in artificial spin ice

S. Krishna, I. Purnama, C. S. Soh, and W. S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

88

Quantized energy states in spin ice due to magnetic coupling

C.S. Soh, I. Purnama, S. Krishnia, and W.S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

87

Fast and Deterministic generation of single DW in in-plane ferromagnetic nanowire using local Oersted field

C. Guite, I.S. Kerk, M. Chandra Sekhar, and W.S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

86

Direct observation of deterministic domain wall trajectory in magnetic network structures

P. Sethi, M. Chandra Sekhar, S. Goolaup, and W. S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

85

A dual stacked perpendicular magnetic tunnel junction for logic application

H.K. Teoh, S. Goolaup, C. Engel, and W.S. Lew

The 20th International Conference on Magnetism 2015, Barcelona, Spain

84

Magnonic bandstructure in a Skyrmion crystal

F.S. Ma, H.B. Braun, Y. Zhou, and W. S. Lew

INTERMAG 2015, Beijing, PR China

83

Micromagnetics and emergent electrodynamics of skyrmions, and their application to skyrmion-based memory

M. B. Jalil, W. L. Gan, and W. S. Lew

INTERMAG 2015, Beijing, PR China

82

Determining pseudo-particle properties of skyrmion from its response to applied alternating current

S. G. Wu, W. L. Gan, I. Purnama, W. S. Lew

INTERMAG 2015, Beijing, PR China

81

2D transport of superparamagnetic microbeads on a ferromagnetic hexagonal nanolattice

J.X. Chen, W. L. Gan, D. W. Wong, I. Purnama, W. S. Lew

INTERMAG 2015, Beijing, PR China

80

Effects of geometry on skyrmion pinning and operation symmetry

C. C. I. Ang, H. T. Fook, W.L. Gan, I. Purnama, and W.S. Lew

INTERMAG 2015, Beijing, PR China

79

Mitigation of magnus force in current-induced skyrmion dynamics

H. T. Fook, C. C. I. Ang, W.L. Gan, I. Purnama, and W.S. Lew

INTERMAG 2015, Beijing, PR China

78

Deterministic generation of single domain wall in ferromagnetic nanowire using local Oersted field

C. Guite, I.S. Kerk, M. Chandra Sekhar, and W.S. Lew

INTERMAG 2015, Beijing, PR China

77

Topological manipulation of magnetic domain wall profile for logic applications

R. Maddu, S. Goolaup, M. Chandra Sekhar, and W.S. Lew

INTERMAG 2015, Beijing, PR China

76

Optimised circuit configuration for STT-MTJ logic devices

D. J. J. Loy, S. Goolaup, and W.S. Lew

INTERMAG 2015, Beijing, PR China

75

Non-uniform spatial distribution of spin polarized current in perpendicular magnetic tunnel junction free layer for logic operation

H.K. Teoh, S. Goolaup, C. Engel, and W.S. Lew

INTERMAG 2015, Beijing, PR China

74

Magnetic monopoles hopping in artificial spin ice

S. Krishna, I. Purnama, C. S. Soh, and W. S. Lew

INTERMAG 2015, Beijing, PR China

73

Magnetic nanoparticles for magnetomechanical cell destruction and magnetic hyperthermia agents

D. W. Wong, Y. Yang, W. L. Gan, N. Liu, I. Purnama, M. Chandra Sekhar, S. Y. Wong, J. Ding and W. S. Lew

INTERMAG 2015, Beijing, PR China

72

Deterministic motion of domain wall in artificial spin ice lattice

P. Sethi, M. Chandra Sekhar, S. Goolaup, and W. S. Lew

INTERMAG 2015, Beijing, PR China

71

Metastable magnetic domain in bifurcated nanowire network probed by domain wall magnetoresistance

J.S. Kwon, I. S. Kerk, M. Chandra Sekhar, S. Goolaup, C. H. Chang, and W. S. Lew

INTERMAG 2015, Beijing, PR China

70

Magnetization dynamics of a network structure via conservation of topological charge

P. Sethi, M. Chandra Sekhar, S. Goolaup, and W. S. Lew

INTERMAG 2015, Beijing, PR China

69

Quaternary memory based on magnetic skyrmion

S. F. Zhang, W. L. Gan, I. S. Kerk, J. Kwon, F. L. Luo, J. B. Wang, Q. F. Liu, W. S. Lew

INTERMAG 2015, Beijing, PR China

68

Guiding current-induced Skyrmion motion

I. Purnama, W. L. Gan, D. W. Wong, and W. S. Lew

The 9th International Conference on Computational Physics 2015, Singapore

67

Helical domain wall dynamics in cylindrical nanowires for 3D-data storage

D. W. Wong, M. Chandra Sekhar, W. L. Gan, I. Purnama and W. S. Lew

The 8th Joint Meeting of Chinese Physicists Worldwide 2014, Singapore

66

2D transport of superparamagnetic microbeads on a ferromagnetic hexagonal nanolattice

W. L. Gan, D. W. Wong, I. S. Kerk, and W.S. Lew

The 8th Joint Meeting of Chinese Physicists Worldwide 2014, Singapore

65

Emerging chirality combination for remote Walker breakdown in multiple nanowire system

S. Krishnia, I. Purnama, and W.S. Lew

59th Annual Magnetism and Magnetic Materials Conference 2014, Hawaii, US

64

Topological charge as a diagnostic of magnetic Skyrmion configurations

M Jalil, S.G Tan, Z.B. Siu, W.L. Gan, I. Purnama, and W. S. Lew

59th Annual Magnetism and Magnetic Materials Conference 2014, Hawaii, US

63

Comparative Curie Temperature (Tc) measurements of heat assisted magnetic recording (HAMR) media

Y. J. Chen, H. Z. Yang, S. H. Leong, K. M. Cher, J. F. Hu, P. Sethi, and W. S. Lew

59th Annual Magnetism and Magnetic Materials Conference 2014, Hawaii, US

62

Current-driven Skyrmion dynamics in a memory device

I. Purnama, W. L. Gan, D. W. Wong, and W. S. Lew

59th Annual Magnetism and Magnetic Materials Conference 2014, Hawaii, US

61

Magnetic nanoparticles with triple-vortex state

W. L. Gan, D. W. Wong, Yong Yang, M. Chandra Sekhar, I. Purnama, Jun Ding and W. S. Lew

59th Annual Magnetism and Magnetic Materials Conference 2014, Hawaii, US

60

Defects and magnetization reversal process in geometrical frustrated artificial spin ice lattice

S. Krishnia, P. Sethi, C. Murapaka, I. Purnama, and W.S. Lew

59th Annual Magnetism and Magnetic Materials Conference 2014, Hawaii, US

59

Dynamics of helical domain wall in cylindrical nanowires

D. W. Wong, M. Chandra Sekhar, W. L. Gan, I. Purnama, Chinkhanlun Guite and W. S. Lew

59th Annual Magnetism and Magnetic Materials Conference 2014, Hawaii, US

58

Domain wall remote driving in coupled nanowire system for memory applications

S. Krishnia, I. Purnama, C. S. Murapaka, W. S. Lew

IEEE Magnetics Symposium 2014, 50th Anniversary of IEEE Magnetics Society, Singapore

57

Non-volatile Magnetic Logic and Memory Devices

W.S. Lew

IEEE Magnetics Symposium 2014, 50th Anniversary of IEEE Magnetics Society, Singapore

56

Direct observation of domain wall evolution at a bifurcation in artificial spin-ice network structures

Pankaj Sethi, M. Chandra Sekhar, S. Goolaup, R. Maddu, S. Krishnia, Y. J. Chen, S. H. Leong, and W. S. Lew

IEEE Magnetics Symposium 2014, 50th Anniversary of IEEE Magnetics Society, Singapore

55

Magnetic nanoparticles for cancer treatment

D. W. Wong, W. L. Gan, Yong Yang, M. Chandra Sekhar, I. Purnama, Jun Ding and W. S. Lew

IEEE Magnetics Symposium 2014, 50th Anniversary of IEEE Magnetics Society, Singapore

54

High Speed Transport of 1D Skyrmion Gas

W. L. Gan, I. Purnama, D. W. Wong, C. I. Ang, W. S. Lew

IEEE Magnetics Symposium 2014, 50th Anniversary of IEEE Magnetics Society, Singapore

53

A NOT logic operation via domain wall profile manipulation

S. Goolaup, M.C. Shekar, M. Ramu and W.S. Lew

4th International Conference on Superconductivity and Magnetism 2014, Antalya, Turkey

52

Neel coupling in sandwiched perpendicular magnetic anisotropy nanowires

I. Purnama, I. S. Kerk, G. J. Lim and W.S. Lew

4th International Conference on Superconductivity and Magnetism 2014, Antalya, Turkey

51

Driving multiple magnetic domain wall remotely via topological interaction

I. Purnama, I.S. Kerk, C. Guite and W.S. Lew

4th International Conference on Superconductivity and Magnetism 2014, Antalya, Turkey

50

Magnetoresistance in diameter-modulated cylindrical magnetic nanostructures

S. Wong, M. Chandra Sekhar, W. L. Gan, I. S. Kerk and W. S. Lew

INTERMAG 2014, Dresden, Germany

49

Neel coupling in sandwiched perpendicular magnetic anisotropy nanowires

I. Purnama, I. K. Seng, G. J. Lim and W. S. Lew

INTERMAG 2014, Dresden, Germany

48

Domain wall coupling and walker breakdown suspension in multiple nanowire system

S. Krishna, I. Purnama and W. S. Lew

INTERMAG 2014, Dresden, Germany

47

Transverse domain wall chirality detector

P. Sethi, M. Chandra Sekhar, S. Goolaup, M. Ramu and W. S. Lew

INTERMAG 2014, Dresden, Germany

46

Transverse domain wall chirality rectifier

M. Ramu, S. Goolaup, M. Chandra Sekhar, P. Sethi, C. K. Guite and W. S. Lew

INTERMAG 2014, Dresden, Germany

45

Natural domain wall oscillator

M. Chandra Sekhar, I. Purnama, S. Goolaup and W.S. Lew

Joint European Magnetic Symposia (JEMS) 2013, Rhodes Island, Greece

44

Magnetic Nanoparticles synthesised by chemical slicing method

W.L. Gan, M. Chandra Sekhar, and W.S. Lew

Joint European Magnetic Symposia (JEMS) 2013, Rhodes Island, Greece

43

Polarity-dependent vortex domain wall coupling

I. Purnama, R. Shina, M. Chandra Sekhar, T. Tomoyasu, and W.S. Lew

Joint European Magnetic Symposia (JEMS) 2013, Rhodes Island, Greece

42

Spin wave emission by domain wall collision

R. Maddu, M. Chandra Sekhar, I. Purnama, and W.S. Lew

Joint European Magnetic Symposia (JEMS) 2013, Rhodes Island, Greece

41

Anomalous domain wall depinning behaviour in cylindrical nanowires

M. Chandra Sekhar, I. Purnama, S. Goolaup and W.S. Lew

Joint European Magnetic Symposia (JEMS) 2013, Rhodes Island, Greece

40

Domain wall dynamics in magnetic cylindrical nanowires (invited)

W.S. Lew

4th IEEE Annual Symposium on Magnetics 2013, Singapore

39

Spin wave emission by domain wall collision

M. Chandra Sekhar, R. Maddu, I. Purnama, and W.S. Lew

4th IEEE Annual Symposium on Magnetics 2013, Singapore

38

Low current domain-wall oscillators

M. Chandra Sekhar, I. Purnama, and W.S. Lew

ISAMMA 2013, Taichung, Taiwan

37

Spin wave generation due to domain wall collision

R. Maddu, M. Chandra Sekhar, I. Purnama, and W.S. Lew

ISAMMA 2013, Taichung, Taiwan

36

Multiple remote domain wall motion due to exchange interaction

I. Purnama, M. Chandra Sekhar, and W.S. Lew

ISAMMA 2013, Taichung, Taiwan

35

Fabrication of NiFe Nanoparticles by Chemically Slicing NiFe Nanowires

W.L. Gan, M. Chandra Sekhar, and W.S. Lew

ISAMMA 2013, Taichung, Taiwan

34

Coupled vortex domain wall transformation and selective motion

I. Purnama, R. Shiina, M. Chandra Sekhar, W.S. Lew and T. Taniyama

ISAMMA 2013, Taichung, Taiwan

33

Self-assembled quantum antidots and their applications

C.K. Chia, G. Vastola, Y.W. Zhang, G.K. Dalapati, Y. Chai, H.K. Hui, Y.B. Cheng, D.Z. Chi, Y.C. Yeo, Z. Xu, S.F. Yoon, Y.P. Liu, and W.S. Lew

International Conference on Nanoscience and Nanotechnology 2012, Perth, Australia

32

Vortex-to-transverse coupled transformation in two-nanowire system

I. Purnama, M. Chandra Sekhar, W.S. Lew

International Magnetic Conference (INTERMAG) 2012, Vancouver, Canada

31

Striped cylindrical nanowire as a magnetic domain wall nanobarcode

I. Purnama, M. Chandra Sekhar, W.S. Lew

International Magnetic Conference (INTERMAG) 2012, Vancouver, Canada

30

Remote barrier and trap induced by neighboring domain walls

I. Purnama, M. Chandra Sekhar, and W.S. Lew

International Magnetic Conference (INTERMAG) 2012, Vancouver, Canada

29

Field and current driven domain wall depinning at the notch and anti-notch in cylindrical nanowires

M. Chandra Sekhar, I. Purnama, and W.S. Lew

International Magnetic Conference (INTERMAG) 2012, Vancouver, Canada

28

Coupled domain wall oscillations in closely spaced cylindrical nanowires

I. Purnama, M. Chandra Sekhar, and W.S. Lew

International Magnetic Conference (INTERMAG) 2012, Vancouver, Canada

27

Electrochemical properties of Au and Au/Ni/Au multilayer nanowires for biobarcode applications

V. Swaminathan, H.F. Liew, W.S. Lew

International Conference on Materials for Advanced Technologies (ICMAT) 2011, Singapore

26

Smaller domain wall mass of coupled domain wall system

I. Purnama, M. Chandra Sekhar, S. Goolaup and W.S. Lew

ICMAT 2011, Singapore

25

Crossover in domain wall potential polarity as a function of anti-notch geometry

M. Chandra Sekhar, I. Purnama, S. Goolaup and W.S. Lew

ICMAT 2011, Singapore

24

Effect of interlayer coupling on the reversal process of the differential dual spin valves

M. Chandra Sekhar, C.C. Wang, G.C. Han, and W.S. Lew

56th Magnetism and Magnetic Material conference 2011, Scottsdale, US

23

Collective motions assisted by magnetostatic interactions in coupled domain wall system

I. Purnama, M. Chandra Sekhar, S. Goolaup and W.S. Lew

INTERMAG 2011, Taipei

22

Temperature-dependent magneto and electrical transport properties in few-layer graphene

Y. P. Liu, S. Goolaup, W. S. Lew

Intermag 2011, Taipei

21

Diameter-modulated magnetic NiFe nanowires

H.F. Liew, W.S. Lew

INTERMAG 2011, Taipei

20

Flux-closure control and domain wall trapping in asymmetric nanorings

X. H. Wang, W. Z. Wang, and W. S. Lew

MMM-INTERMAG conference 2010, Washington DC, USA

19

High stability magnetic flux-closure in sub-100 nm asymmetric rings

X. H. Wang, S. Goolaup and W. S. Lew

MMM-INTERMAG conference 2010, Washington DC, USA

18

Structural, magnetic and transport properties of reactive-sputtered Fe3O4 thin films

X. H. Wang, S. Goolaup, P. Ren, and W.S. Lew

MRS Spring Meeting 2010, San Francisco, USA

17

Magnetic vortex configurations in NiFe nanotubes

H. F. Liew, W. C. Junus, X. H. Wang, and W. S. Lew

MRS Spring Meeting 2010, San Francisco, USA

16

Magnetization reversal in NiFenano-triangles

X. H. Wang, S. Goolaup, C. X. Cong and W. S. Lew

MRS Spring Meeting 2010, San Francisco, USA

15

Field-driven domain wall movements in asymmetric nanorings

X. H. Wang, I. Purnama, S. Goolaup and W.S. Lew

International symposium on advanced magnetic materials and applications (ISAMMA) 2010, Sendai, Japan

14

Dependence of pinning on domain wall chirality

S. Goolaup, S. C. Low, and W.S. Lew

ISAMMA 2010, Sendai, Japan

13

Fabrication and characterization of NiFe composition-modulated nanowires

H. F. Liew, S. C. Low, S. Goolaup, X. H. Wang, T.F. Kong, and W. S. Lew

ISAMMA 2010, Sendai, Japan

12

Fabrication and manipulation of magnetic nanowires

F. van Belle, W. S. Lew, and J. A. C. Bland

INTERMAG, San Diego, May 2006

11

Manipulation of Superparamagnetic Beads using On-Chip Striplines Placed on a Ferrite magnet

Z. H. Wang, W.S. Lew, and J.A.C. Bland

The 50th MMM Conference, Baltimore, November 2005

10

Highly efficient spin filtering of ballistic electrons in hybrid spin valve/semiconductor structures

S. Steinmüller, T. Trypiniotis, A. Hirohata, W. S. Cho, W. S. Lew, C. A. F. Vaz, and J. A. C. Bland

International Conference on MEMS, Nano and Smart Systems, 2004

9

Modulated Magnetic Structures in Chemically Homogeneous Ni Films

W. S. Lew, S. P. Li, L. Lopez-Diaz, C. A. F. Vaz, J. A. C. Bland, M. Natali, and Y. Chen

INTERMAG, Amsterdam, April 2002

8

Spin Confinement by Anisotropy Modulation

W. S. Lew, S. P. Li, L. Lopez-Diaz, C. A. F. Vaz, J. A. C. Bland, M. Natali, and Y. Chen

The 46th MMM Conference, Seattle, November 2001; The ICMFS Conference, Kyoto, 2002

7

Temperature Dependence of The Spin-Wave Behaviour in Co/CoO Bilayers

W. S. Lew, A. Ercole, G. Lauhoff, E. T. M. Kernohan, J. Lee, and J. A. C. Bland

The 8th Joint MMM-INTERMAG Conference, San Antonio, January 2001

6

Test of Ballistic Spin-Polarized Electron Transport Across Ferromagnet/Semiconductor Schottky Interfaces

A. Hirohata, C. Gürtler, W. S. Lew, Y. B. Xu, J. A. C. Bland, and S. N. Holmes

The 46th MMM Conference, Seattle 2001

5

Significant Magnetocurrent due to Ballistic Spin Transport in Spin-Valve /Semiconductor Structures

A. Hirohata, W. S. Lew, Y. B. Xu, C. Gürtler, J. A. C. Bland, and S. N. Holmes

The 8th Joint MMM-INTERMAG Conference, San Antonio, January 2001

4

Mirror Domain Structures Induced by Interlayer Magnetic-Wall Coupling

W. S. Lew, S. P. Li, L. Lopez-Diaz, D. C. Hatton, and J. A. C. Bland

The 46th MMM Conference, Seattle, November 2001

3

Two-Jump Magnetic Switching in Ultrathin Epitaxial Co(001) Films

W. S. Lew, S. P. Li, D. C. Hatton, and J.A.C Bland

The 46th MMM Conference, Seattle, November 2001

2

Magnetic Properties of Epitaxial NiFe/Cu/Co Spin-Valve Structures on GaAs(001)

W. S. Lew, A. Samad, S. P. Li, L. Lopez-Diaz, G. X. Cheng and J. A. C. Bland

The 44th MMM Conference, San Jose, November 1999

1

Temperature Dependent Spin-Wave Behaviour in Co/CoO Bilayers

W. S. Lew, A. Ercole, G. Lauhoff, E. T. M. Kernohan, J. Lee, and J. A. C. Bland

The CMMP Conference, Leicester, December 1999

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