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W. S. Lew
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Journal Articles

Enhanced current-induced magnetization switching via antiferromagnetic coupled interface in Co/Ho heterostructures

S. M. Li, H. Y. Poh, T. L. Jin, F. N. Tan, S. Wu, K. M. Shen, Y. F. Jiang, W. S. Lew
Journal: Applied Physics Letters
Appl. Phys. Lett. 123, 233502 (2023)
https://doi.org/10.1063/5.0174431
Published: December 2023
View articletitled, Enhanced current-induced magnetization switching via antiferromagnetic coupled interface in Co/Ho heterostructures
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Includes: Supplementary data
Journal Articles

Investigation of spin–orbit torque performance with W/Cu-multilayers as spin current source

B. Coester, G. J. Lim, F. N. Tan, H. Y. Poh, W. S. Lew
Journal: Journal of Applied Physics
J. Appl. Phys. 133, 223904 (2023)
https://doi.org/10.1063/5.0139212
Published: June 2023
View articletitled, Investigation of spin–orbit torque performance with W/Cu-multilayers as spin current source
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Includes: Supplementary data
Journal Articles

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

S. Wu, T. L. Jin, F. N. Tan, C. C. I. Ang, H. Y. Poh, G. J. Lim, W. S. Lew
Journal: Applied Physics Letters
Appl. Phys. Lett. 122, 122403 (2023)
https://doi.org/10.1063/5.0139443
Published: March 2023
View articletitled, Enhancement of spin–orbit torque in Pt/Co/HfOx heterostructures with voltage-controlled oxygen ion migration
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Includes: Supplementary data
Journal Articles

Continuous film spin–orbit torque characterization via four probe measurement

H. Y. Poh, C. C. I. Ang, T. L. Jin, F. N. Tan, G. J. Lim, S. Wu, F. Poh, W. S. Lew
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 012405 (2022)
https://doi.org/10.1063/5.0092471
Published: July 2022
View articletitled, Continuous film spin–orbit torque characterization via four probe measurement
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Journal Articles

Asymmetrical domain wall propagation in bifurcated PMA wire structure due to the Dzyaloshinskii-Moriya interaction

J. Kwon, S. Goolaup, W. L. Gan, C. H. Chang, K. Roy, W. S. Lew
Journal: Applied Physics Letters
Appl. Phys. Lett. 110, 232402 (2017)
https://doi.org/10.1063/1.4984750
Published: June 2017
View articletitled, Asymmetrical domain wall propagation in bifurcated PMA wire structure due to the Dzyaloshinskii-Moriya interaction
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Includes: Supplementary data
Journal Articles

Spin orbit torque induced asymmetric depinning of chiral Néel domain wall in Co/Ni heterostructures

Editor’s Pick
M. Ramu, S. Goolaup, W. L. Gan, S. Krishnia, G. J. Lim, W. S. Lew
Journal: Applied Physics Letters
Appl. Phys. Lett. 110, 162402 (2017)
https://doi.org/10.1063/1.4980120
Published: April 2017
View articletitled, Spin orbit torque induced asymmetric depinning of chiral Néel domain wall in Co/Ni heterostructures
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Includes: Supplementary data
Journal Articles

Current-induced three-dimensional domain wall propagation in cylindrical NiFe nanowires

D. W. Wong, I. Purnama, G. J. Lim, W. L. Gan, C. Murapaka, W. S. Lew
Journal: Journal of Applied Physics
J. Appl. Phys. 119, 153902 (2016)
https://doi.org/10.1063/1.4946753
Published: April 2016
View articletitled, Current-induced three-dimensional domain wall propagation in cylindrical NiFe nanowires
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Journal Articles

In-plane current induced domain wall nucleation and its stochasticity in perpendicular magnetic anisotropy Hall cross structures

P. Sethi, C. Murapaka, G. J. Lim, W. S. Lew
Journal: Applied Physics Letters
Appl. Phys. Lett. 107, 192401 (2015)
https://doi.org/10.1063/1.4935347
Published: November 2015
View articletitled, In-plane current induced domain wall nucleation and its stochasticity in perpendicular magnetic anisotropy Hall cross structures
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Includes: Supplementary data
Journal Articles

Low field domain wall dynamics in artificial spin-ice basis structure

J. Kwon, S. Goolaup, G. J. Lim, I. S. Kerk, C. H. Chang, K. Roy, W. S. Lew
Journal: Journal of Applied Physics
J. Appl. Phys. 118, 163907 (2015)
https://doi.org/10.1063/1.4934733
Published: October 2015
View articletitled, Low field domain wall dynamics in artificial spin-ice basis structure
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Journal Articles

Dynamics of three-dimensional helical domain wall in cylindrical NiFe nanowires

D. W. Wong, M. Chandra Sekhar, W. L. Gan, I. Purnama, W. S. Lew
Journal: Journal of Applied Physics
Series: Magnetism and Magnetic Materials
J. Appl. Phys. 117, 17A747 (2015)
https://doi.org/10.1063/1.4919045
Published: April 2015
View articletitled, Dynamics of three-dimensional helical domain wall in cylindrical NiFe nanowires
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Journal Articles

Erasure temperature measurements of heat assisted magnetic recording media

Y. J. Chen, H. Z. Yang, S. H. Leong, K. M. Cher, J. F. Hu, P. Sethi, W. S. Lew
Journal: Journal of Applied Physics
Series: Magnetism and Magnetic Materials
J. Appl. Phys. 117, 17D117 (2015)
https://doi.org/10.1063/1.4914362
Published: March 2015
View articletitled, Erasure temperature measurements of heat assisted magnetic recording media
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Journal Articles

Coupled domain wall oscillations in magnetic cylindrical nanowires

Chandrasekhar Murapaka, S. Goolaup, I. Purnama, W. S. Lew
Journal: Journal of Applied Physics
J. Appl. Phys. 117, 053913 (2015)
https://doi.org/10.1063/1.4907584
Published: February 2015
View articletitled, Coupled domain wall oscillations in magnetic cylindrical nanowires
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Journal Articles

Multi-vortex states in magnetic nanoparticles

W. L. Gan, M. Chandra Sekhar, D. W. Wong, I. Purnama, S. Y. Chiam, L. M. Wong, W. S. Lew
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 152405 (2014)
https://doi.org/10.1063/1.4898349
Published: October 2014
View articletitled, Multi-vortex states in magnetic nanoparticles
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Includes: Supplementary data
Journal Articles

Remote Walker breakdown and coupling breaking in parallel nanowire systems

S. Krishnia, I. Purnama, W. S. Lew
Journal: Applied Physics Letters
Appl. Phys. Lett. 105, 042404 (2014)
https://doi.org/10.1063/1.4891502
Published: July 2014
View articletitled, Remote Walker breakdown and coupling breaking in parallel nanowire systems
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Includes: Supplementary data
Journal Articles

Investigation of dominant spin wave modes by domain walls collision

M. Ramu, I. Purnama, S. Goolaup, M. Chandra Sekhar, W. S. Lew
Journal: Journal of Applied Physics
J. Appl. Phys. 115, 243908 (2014)
https://doi.org/10.1063/1.4885453
Published: June 2014
View articletitled, Investigation of dominant spin wave modes by domain walls collision
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Journal Articles

Remote driving of multiple magnetic domain walls due to topological interaction

I. Purnama, C. S. Murapaka, W. S. Lew, T. Ono
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 092414 (2014)
https://doi.org/10.1063/1.4867468
Published: March 2014
View articletitled, Remote driving of multiple magnetic domain walls due to topological interaction
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Includes: Supplementary data
Journal Articles

Depinning assisted by domain wall deformation in cylindrical NiFe nanowires

M. Chandra Sekhar, S. Goolaup, I. Purnama, W. S. Lew
Journal: Journal of Applied Physics
J. Appl. Phys. 115, 083913 (2014)
https://doi.org/10.1063/1.4867004
Published: February 2014
View articletitled, Depinning assisted by domain wall deformation in cylindrical NiFe nanowires
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Journal Articles

Excitonic bandgap dependence on stacking configuration in four layer graphene

Y. P. Liu, S. Goolaup, W. S. Lew, I. Purnama, M. Chandra Sekhar, T. J. Zhou, S. K. Wong
Journal: Applied Physics Letters
Appl. Phys. Lett. 103, 163108 (2013)
https://doi.org/10.1063/1.4825263
Published: October 2013
View articletitled, Excitonic bandgap dependence on stacking configuration in four layer graphene
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Journal Articles

Erratum: “Spin injection properties in trilayer graphene lateral spin valves” [Appl. Phys. Lett. 102, 033105 (2013)]

Y. P. Liu, H. Idzuchi, Y. Fukuma, O. Rousseau, Y. Otani, W. S. Lew
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 079903 (2013)
https://doi.org/10.1063/1.4792318
Published: February 2013
View articletitled, Erratum: “Spin injection properties in trilayer graphene lateral spin valves” [Appl. Phys. Lett. 102, 033105 (2013)]
Open the PDF for Erratum: “Spin injection properties in trilayer graphene lateral spin valves” [Appl. Phys. Lett. 102, 033105 (2013)] in another window
Journal Articles

Spin injection properties in trilayer graphene lateral spin valves

Y. P. Liu, H. Idzuchi, Y. Fukuma, O. Rousseau, Y. Otani, W. S. Lew
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 033105 (2013)
https://doi.org/10.1063/1.4776699
Published: January 2013
View articletitled, Spin injection properties in trilayer graphene lateral spin valves
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