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Journal Articles

Improved gradual resistive switching range and 1000 × on/off ratio in HfOx RRAM achieved with a Ge2Sb2Te5 thermal barrier

R. Islam, S. Qin, S. Deshmukh, Z. Yu, C. Köroğlu, A. I. Khan, K. Schauble, K. C. Saraswat, E. Pop, H.-S. P. Wong
Journal: Applied Physics Letters
Appl. Phys. Lett. 121, 082103 (2022)
https://doi.org/10.1063/5.0101417
Published: August 2022
View article titled, Improved gradual resistive switching range and 1000 × on/off ratio in HfO<sub>x</sub> RRAM achieved with a Ge<sub>2</sub>Sb<sub>2</sub>Te<sub>5</sub> thermal barrier
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Includes: Supplementary data
Journal Articles

Thermal conductivity measurement of amorphous dielectric multilayers for phase-change memory power reduction

S. W. Fong, A. Sood, L. Chen, N. Kumari, M. Asheghi, K. E. Goodson, G. A. Gibson, H.-S. P. Wong
Journal: Journal of Applied Physics
J. Appl. Phys. 120, 015103 (2016)
https://doi.org/10.1063/1.4955165
Published: July 2016
View article titled, Thermal conductivity measurement of amorphous dielectric multilayers for phase-change memory power reduction
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Journal Articles

Crystallization times of Ge–Te phase change materials as a function of composition

S. Raoux, H.-Y. Cheng, M. A. Caldwell, H.-S. P. Wong
Journal: Applied Physics Letters
Appl. Phys. Lett. 95, 071910 (2009)
https://doi.org/10.1063/1.3212732
Published: August 2009
View article titled, Crystallization times of Ge–Te phase change materials as a function of composition
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Journal Articles

Rapid thermal annealing of ion beam synthesized β - Fe Si 2 nanoparticles in Si

C. M. Sun, H. K. Tsang, S. P. Wong, W. Y. Cheung, N. Ke, S. K. Hark
Journal: Applied Physics Letters
Appl. Phys. Lett. 92, 211902 (2008)
https://doi.org/10.1063/1.2936937
Published: May 2008
View article titled, Rapid thermal annealing of ion beam synthesized β - Fe Si 2 nanoparticles in Si
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Journal Articles

Characterization of proton irradiated copolymer thin films for microelectromechanical system applications

T. Y. Lam, S. T. Lau, C. Chao, H. L. W. Chan, C. L. Choy, W. Y. Cheung, S. P. Wong
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 043511 (2007)
https://doi.org/10.1063/1.2435342
Published: January 2007
View article titled, Characterization of proton irradiated copolymer thin films for microelectromechanical system applications
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Journal Articles

Spherically shaped active transducer based on proton-irradiated vinylidene fluoride-trifluoroethylene 70 ∕ 30 mol % copolymer

S. T. Lau, H. L. W. Chan, C. L. Choy, W. Y. Cheung, S. P. Wong
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 77, 055110 (2006)
https://doi.org/10.1063/1.2200878
Published: May 2006
View article titled, Spherically shaped active transducer based on proton-irradiated vinylidene fluoride-trifluoroethylene 70 ∕ 30 mol % copolymer
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Journal Articles

Electron field-emission properties of Ag – Si O 2 nanocomposite layers

W. M. Tsang, V. Stolojan, C. Giusca, C. H. P. Poa, B. Sealy, S. R. P. Silva, S. P. Wong
Journal: Journal of Vacuum Science & Technology B
J. Vac. Sci. Technol. B 24, 958–961 (2006)
https://doi.org/10.1116/1.2165669
Published: March 2006
View article titled, Electron field-emission properties of Ag – Si O 2 nanocomposite layers
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Journal Articles

Effect of tungsten implantation on electron field emission properties of ion-beam-synthesized SiC layers

W. M. Tsang, S. P. Wong, J. K. N. Lindner
Journal: Applied Physics Letters
Appl. Phys. Lett. 84, 3193–3195 (2004)
https://doi.org/10.1063/1.1705730
Published: April 2004
View article titled, Effect of tungsten implantation on electron field emission properties of ion-beam-synthesized SiC layers
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Journal Articles

Measurement of orientation dependent stress-optic coefficient of GaAs single crystals

H. J. Peng, S. P. Wong, H. P. Ho, Shounan Zhao
Journal: Applied Physics Letters
Appl. Phys. Lett. 84, 1829–1831 (2004)
https://doi.org/10.1063/1.1675938
Published: March 2004
View article titled, Measurement of orientation dependent stress-optic coefficient of GaAs single crystals
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Journal Articles

Simplified system based on photoelastic modulation technique for low-level birefringence measurement

H. J. Peng, S. P. Wong, Y. W. Lai, X. H. Liu, H. P. Ho, Shounan Zhao
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 74, 4745–4749 (2003)
https://doi.org/10.1063/1.1614875
Published: November 2003
View article titled, Simplified system based on photoelastic modulation technique for low-level birefringence measurement
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Journal Articles

Ion Beam Synthesis Of Metal ‐ Silicon Carbide ‐ Si Multilayer Structures

J. K. N. Lindner, W. M. Tsang, B. Stritzker, S. P. Wong
Journal: AIP Conference Proceedings
AIP Conf. Proc. 680, 579–583 (2003)
https://doi.org/10.1063/1.1619783
Published: August 2003
View article titled, Ion Beam Synthesis Of Metal ‐ Silicon Carbide ‐ Si Multilayer Structures
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Journal Articles

Transmission electron microscopy observation of high-temperature γ- FeSi 2 precipitates formed in Si by iron implantation using a metal vapor vacuum arc ion source

Y. Gao, S. P. Wong, W. Y. Cheung, G. Shao, K. P. Homewood
Journal: Applied Physics Letters
Appl. Phys. Lett. 83, 638–640 (2003)
https://doi.org/10.1063/1.1594832
Published: July 2003
View article titled, Transmission electron microscopy observation of high-temperature γ- FeSi 2 precipitates formed in Si by iron implantation using a metal vapor vacuum arc ion source
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Journal Articles

Effect of implantation temperature on dislocation loop formation and origin of 1.55-μm photoluminescence from ion-beam-synthesized FeSi 2 precipitates in silicon

Y. Gao, S. P. Wong, W. Y. Cheung, G. Shao, K. P. Homewood
Journal: Applied Physics Letters
Appl. Phys. Lett. 83, 42–44 (2003)
https://doi.org/10.1063/1.1590434
Published: July 2003
View article titled, Effect of implantation temperature on dislocation loop formation and origin of 1.55-μm photoluminescence from ion-beam-synthesized FeSi 2 precipitates in silicon
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Journal Articles

Effects of substrate temperature and annealing temperature on the formation and properties of erbium silicide layers synthesized by high current Er ion implantation

X. W. Zhang, S. P. Wong, W. Y. Cheung
Journal: Journal of Applied Physics
J. Appl. Phys. 94, 157–162 (2003)
https://doi.org/10.1063/1.1573346
Published: July 2003
View article titled, Effects of substrate temperature and annealing temperature on the formation and properties of erbium silicide layers synthesized by high current Er ion implantation
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Journal Articles

Relaxed silicon–germanium-on-insulator substrates by oxygen implantation into pseudomorphic silicon germanium/silicon heterostructure

Zhenghua An, Yanjun Wu, Miao Zhang, Zengfeng Di, Chenglu Lin, Ricky K. Y. Fu, Peng Chen, Paul K. Chu, W. Y. Cheung, S. P. Wong
Journal: Applied Physics Letters
Appl. Phys. Lett. 82, 2452–2454 (2003)
https://doi.org/10.1063/1.1567807
Published: April 2003
View article titled, Relaxed silicon–germanium-on-insulator substrates by oxygen implantation into pseudomorphic silicon germanium/silicon heterostructure
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Journal Articles

Magnetic properties of ( Pr 0.17 Co 0.83 ) 69 C 31 nanocomposite films prepared by pulsed filtered vacuum arc deposition

P. Chen, S. P. Wong, M. F. Chiah, H. Wang, W. Y. Cheung, N. Ke, Z. S. Xiao
Journal: Applied Physics Letters
Appl. Phys. Lett. 81, 4799–4801 (2002)
https://doi.org/10.1063/1.1530738
Published: December 2002
View article titled, Magnetic properties of ( Pr 0.17 Co 0.83 ) 69 C 31 nanocomposite films prepared by pulsed filtered vacuum arc deposition
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Journal Articles

Origins of field enhancement in electron field emission from ion beam synthesized SiC layers

W. M. Tsang, S. P. Wong, J. K. N. Lindner
Journal: Applied Physics Letters
Appl. Phys. Lett. 81, 3942–3944 (2002)
https://doi.org/10.1063/1.1520715
Published: November 2002
View article titled, Origins of field enhancement in electron field emission from ion beam synthesized SiC layers
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Journal Articles

Effects of stress on electrical transport properties of nickel silicide thin layers synthesized by Ni-ion implantation

X. W. Zhang, S. P. Wong, W. Y. Cheung
Journal: Journal of Applied Physics
J. Appl. Phys. 92, 3778–3783 (2002)
https://doi.org/10.1063/1.1503409
Published: October 2002
View article titled, Effects of stress on electrical transport properties of nickel silicide thin layers synthesized by Ni-ion implantation
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Journal Articles

Optical properties of nitrogenated tetrahedral amorphous carbon films

X. W. Zhang, W. Y. Cheung, N. Ke, S. P. Wong
Journal: Journal of Applied Physics
J. Appl. Phys. 92, 1242–1247 (2002)
https://doi.org/10.1063/1.1491275
Published: August 2002
View article titled, Optical properties of nitrogenated tetrahedral amorphous carbon films
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Journal Articles

Tetrahedral amorphous-carbon thin films for silicon-on-insulator application

Z. R. Song, Y. H. Yu, C. L. Li, S. C. Zou, F. M. Zhang, X. Wang, D. S. Shen, E. Z. Luo, B. Sundaravel, S. P. Wong, I. H. Wilson
Journal: Applied Physics Letters
Appl. Phys. Lett. 80, 743–745 (2002)
https://doi.org/10.1063/1.1445472
Published: February 2002
View article titled, Tetrahedral amorphous-carbon thin films for silicon-on-insulator application
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