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PolyU Institutional Repository >
Browsing by Author "Choy, Chung-loong"
Showing results 58 to 128 of 128
| Issue Date | Title | Author(s) | | 1-Nov-2002 | La-doped effect on the ferroelectric properties of Bi₄Ti₃O₁₂-SrBi₄Ti₄O[sub 15] thin film fabricated by pulsed laser deposition | Zhu, J. S.; Su, D.; Lu, X. M.; Qin, H. X.; Wang, Yening; Wang, Danyang; Chan, Helen L. W.; Wong, Kin-hung; Choy, Chung-loong |
| May-1999 | Lead zirconate titanate/poly(vinylidene fluoride-trifluoroethylene) 1-3 composites for ultrasonic transducer applications | Kwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong |
| 1-Sep-2002 | Longitudinal and transverse piezoelectric coefficients of lead zirconate titanate/vinylidene fluoride-trifluoroethylene composites with different polarization states | Zeng, R.; Kwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong |
| 9-Feb-2004 | Low-temperature switching fatigue behavior of ferroelectric SrBi₂Ta₂O[sub 9] thin films | Yuan, G. L.; Liu, J.-M.; Zhang, S. T.; Wu, D.; Wang, Y. P.; Liu, Zhiguo; Chan, Helen L. W.; Choy, Chung-loong |
| 15-Nov-2000 | Measurement of mechanical properties for dense and porous polymer films having a low dielectric constant | Xu, Yuhuan; Tsai, Yipin; Zheng, D. W.; Tu, K. N.; Ong, C. W.; Choy, Chung-loong; Zhao, Bin; Liu, Q.-Z.; Brongo, Maureen |
| 9-Sep-2002 | Mechanical properties related to the relaxor-ferroelectric phase transition of titanium-doped lead magnesium niobate | Bao, Peng; Yan, Feng; Li, W.; Dai, Y. R.; Shen, H. M.; Zhu, J. S.; Wang, Yening; Chan, Helen L. W.; Choy, Chung-loong |
| 15-Mar-2002 | Microstructure and electric properties of lead lanthanum titanate thin film under transverse electric fields | Song, Z. T.; Chan, Helen L. W.; Ding, Y. P.; Chong, Nui; Choy, Chung-loong |
| 7-Dec-2006 | Microstructure and enhanced in-plane ferroelectricity of Ba[sub 0.7]Sr[sub 0.3]TiO₃ thin films grown on MgAl₂O₄ (001) single-crystal substrate | Zhou, Xiaoyuan; Heindl, T.; Pang, Geoffrey Kin-hung; Miao, Jun; Zheng, R. K.; Chan, Helen L. W.; Choy, Chung-loong; Wang, Yu |
| 14-Apr-2005 | Microstructure of compositionally-graded (Ba[sub 1-x]Sr[sub x])TiO₃ thin films epitaxially grown on La[sub 0.5]Sr[sub 0.5]CoO₃-covered (100) LaAlO₃ substrates by pulsed laser deposition | Zhu, Xinhua; Chan, Helen L. W.; Choy, Chung-loong; Wong, Kin-hung; Hesse, Dietrich |
| 2002 | Microstructure study of Bi₄Ti₃O₁₂ - SrBi₄Ti₄O[sub 15] and Bi[sub 3.25]La[sub 0.75]Ti₃O₁₂ - SrBi₄Ti₄O[sub 15] ceramics | Su, D.; Zhu, J. S.; Wang, Danyang; Chan, Helen L. W.; Choy, Chung-loong; Wang, Yening |
| 15-Nov-2004 | Microwave characterization of (Pb,La)TiO₃ thin films integrated on ZrO₂/SiO₂/Si wafers by sol-gel techniques | Song, Z. T.; Wang, Yu; Chan, Helen L. W.; Choy, Chung-loong; Feng, S. L. |
| 15-May-2004 | Mn and Sm doped lead titanate ceramic fibers and fiber/epoxy 13 composites | Li, Kun; Pang, Geoffrey Kin-hung; Chan, Helen L. W.; Choy, Chung-loong; Li, Jinhua |
| 24-Mar-2004 | Monte Carlo simulation of the dielectric susceptibility of Ginzburg-Landau mode relaxors | Liu, J.-M.; Wang, X.; Chan, Helen L. W.; Choy, Chung-loong |
| 15-Apr-2004 | Monte Carlo simulation on dielectric and ferroelectric behaviors of relaxor ferroelectrics | Wang, X.; Liu, J.-M.; Chan, Helen L. W.; Choy, Chung-loong |
| 2001 | A novel process for preparing PZT thick films | Ding, A. L.; He, X. Y.; Qui, P. S.; Wang, S. J.; Luo, W. G.; Chan, Helen L. W.; Wang, P.; Choy, Chung-loong |
| 21-Apr-2008 | One-dimensional tunable ferroelectric photonic crystals based on Ba[sub 0.7]Sr[sub 0.3]TiO₃/MgO multilayer thin films | Jim, K. L.; Wang, Danyang; Leung, Dennis Chi-wah; Choy, Chung-loong; Chan, Helen L. W. |
| 8-Feb-2010 | Optical and electro-optic anisotropy of epitaxial Ba₀.₇7Sr₀.₃TiO₃ thin films | Wang, D. Y.; Li, S.; Chan, Helen L. W.; Choy, Chung-loong |
| 1-Aug-2004 | Optical properties of (1-x)Pb(Mg₁/₃Nb₂/₃)O₃-xPbTiO₃single crystals studied by spectroscopic ellipsometry | Wan, Xinming; Chan, Helen L. W.; Choy, Chung-loong; Zhao, Xiangyong; Luo, Haosu |
| Jan-2001 | PCLT/P(VDF-TrFE) nanocomposite pyroelectric sensors | Zhang, Qingqi; Chan, Helen L. W.; Ploss, Bernd; Choy, Chung-loong |
| 1996 | Piezoelectric and pyroelectric properties of PT/P(VDF-TrFE) 0-3 composites | Chan, Helen L. W.; Chan, W. K.; Choy, Chung-loong; Lei, Deming |
| Nov-2000 | Piezoelectric and pyroelectric properties of PZT/P (VDF-TrFE) composites with constituent phases poled in parallel or anti-parallel directions | Ng, Kar-lai; Chan, Helen L. W.; Choy, Chung-loong |
| 1-Nov-2000 | Piezoelectric coefficient of aluminum nitride and gallium nitride | Lueng, Chiu-ming; Chan, Helen L. W.; Surya, Charles; Choy, Chung-loong |
| 2001 | Piezoelectric coefficients of PMN-0.33PT single crystals | Cheng, Kei-chun; Chan, Helen L. W.; Choy, Chung-loong; Yin, Qingrui; Luo, Haosu; Yin, Zhiwen |
| 1995 | Piezoelectric properties of 1-3 composites of PZT in P(VDF-TrFE) copolymer | Kwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong |
| 1-Oct-1996 | Polarization of thick polyvinylidene fluoride/trifluoroethylene copolymer films | Chan, Helen L. W.; Zhao, Z.; Kwok, Kin-wing; Choy, Chung-loong; Alquié, C.; Boué, C.; Lewiner, J. |
| 1999 | Poling of ferroelectric composites | Ploss, Beatrix; Ploss, Bernd; Shin, Franklin G.; Chan, Helen L. W.; Choy, Chung-loong |
| 15-Jul-2003 | Primary and secondary pyroelectric effects of ferroelectric 0-3 composites | Chew, K.-H.; Shin, Franklin G.; Ploss, Bernd; Chan, Helen L. W.; Choy, Chung-loong |
| 1996 | Properties of nanocrystalline PT powder and PT/P(VDF-TrFE) 0-3 nanocomposites | Chen, Yong; Chan, Helen L. W.; Choy, Chung-loong |
| Aug-2000 | Pyroelectric activity of ferroelectric PT/PVDF-TRFE | Ploss, Bernd; Ploss, Beatrix; Shin, Franklin G.; Chan, Helen L. W.; Choy, Chung-loong |
| Aug-1998 | Pyroelectric and piezoelectric properties of lead titanate/polyvinylidene fluoride-trifluoroethylene 0-3 composites | Chan, Helen L. W.; Chan, W. K.; Zhang, Y.; Choy, Chung-loong |
| 8-May-2000 | Pyroelectric or piezoelectric compensated ferroelectric composites | Ploss, Beatrix; Ploss, Bernd; Shin, Franklin G.; Chan, Helen L. W.; Choy, Chung-loong |
| 2001 | Pyroelectric properties of PZT/P(VDF-TrFE) 0-3 composites | Ng, W. Y.; Ploss, Bernd; Chan, Helen L. W.; Shin, Franklin G.; Choy, Chung-loong |
| 1998 | PZT/P(VDF-TrFE) nanocomposite hydrophones for ultrasonic measurements | Chan, Helen L. W.; Lau, Sien Ting; Kwok, Kin-wing; Choy, Chung-loong |
| 1999 | PZT/P(VDF-TrFE) nanocomposites for ultrasonic hydrophone applications | Lau, Sien Ting; Zhou, Qifa; Kwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong |
| 15-Jun-2001 | Raman spectra and structural phase transition in nanocrystalline lead lanthanum titanate | Zhou, Qifa; Chan, Helen L. W.; Zhang, Qingqi; Choy, Chung-loong |
| 29-Nov-2004 | Refractive indices and linear electro-optic properties of (1-x)Pb(Mg[sub ⅓]Nb[sub ⅔])O₃-xPbTiO₃ single crystals | Wan, Xinming; Luo, Haosu; Zhao, Xiangyong; Wang, Danyang; Chan, Helen L. W.; Choy, Chung-loong |
| 23-Aug-2005 | Relaxor ferroelectric characteristics and temperature-dependent domain structure in a (110)-cut (PbMg[sub ⅓]Nb[sub ⅔]O₃)[sub 0.75](PbTiO₃)[sub 0.25] single crystal | Zhao, X.; Dai, Jiyan; Wang, Jie; Chan, Helen L. W.; Choy, Chung-loong; Wan, X. M.; Luo, Haosu |
| 1996 | Resonance characteristics and polarization profile of partially poled P(VDF-TrFE) copolymer | Ploss, Bernd; Chan, Helen L. W.; Kwok, Kin-wing; Choy, Chung-loong |
| 22-Jul-2003 | Ring-shaped piezoelectric transformer having an inner and outer electrode | Hu, Jin-hua; Li, Hing-leung; Chan, Helen L. W.; Choy, Chung-loong |
| Oct-2003 | Samarium and manganese-doped lead titanate ceramic fiber/epoxy 1-3 composite for high-frequency transducer application | Li, Kun; Chan, Helen L. W.; Choy, Chung-loong |
| 3-Dec-2001 | Scaling of hysteresis dispersion in a model spin system | Liu, J.-M.; Chan, Helen L. W.; Choy, Chung-loong; Ong, C. K. |
| 21-May-2001 | Scaling on hysteresis dispersion in ferroelectric systems | Liu, J.-M.; Chan, Helen L. W.; Choy, Chung-loong; Zhu, Y. Y.; Zhu, S. N.; Liu, Zhiguo; Ming, Naiben |
| 28-Dec-2004 | Self-organized Ge nanocrystals embedded in HfAlO fabricated by pulsed-laser deposition and application to floating gate memory | Liu, W. L.; Lee, P. F.; Dai, Jiyan; Wang, Jie; Chan, Helen L. W.; Choy, Chung-loong; Song, Z. T.; Feng, S. L. |
| 1998 | Separate poling of inclusions and matrix in PT/P(VDF-TrFE) 0-3 composites | Ploss, Beatrix; Ploss, Bernd; Shin, Franklin G.; Chan, Helen L. W.; Choy, Chung-loong |
| Sep-2003 | Single crystal PMN-0.33PT/epoxy 1-3 composites for ultrasonic transducer applications | Cheng, Kei-chun; Chan, Helen L. W.; Choy, Chung-loong; Yin, Qingrui; Luo, Haosu; Yin, Zhiwen |
| 15-Apr-2001 | Spectroellipsometric study of sol–gel derived potassium sodium strontium barium niobate films | Mak, Chee-leung; Lai, Brian; Wong, Kin-hung; Choy, Chung-loong; Mo, D.; Zhang, Y. L. |
| 26-May-2006 | Spherically shaped active transducer based on proton-irradiated vinylidene fluoride-trifluoroethylene 70/30 mol% copolymer | Lau, Sien Ting; Chan, Helen L. W.; Choy, Chung-loong; Cheung, W. Y.; Wong, S. P. |
| 1999 | Spontaneous depolarization current in different mole ratio VDF/TrFE ferroelectric copolymers | Peng, Zhi; Zhang, Xingyuan; Chan, Helen L. W.; Choy, Chung-loong |
| 5-Jan-2004 | Spontaneous recovery of hydrogen-degraded TiO₂ ceramic capacitors | Chen, W. P.; Wang, Yu; Dai, Jiyan; Lu, S. G.; Wang, X. X.; Lee, P. F.; Chan, Helen L. W.; Choy, Chung-loong |
| May-2001 | A standing wave-type noncontact linear ultrasonic motor | Hu, Junhui; Li, Guorong; Chan, Helen L. W.; Choy, Chung-loong |
| May-2002 | Step-changed long-period fiber gratings | Guan, Bai-ou; Zhang, A. Ping; Tam, Hwa-yaw; Chan, Helen L. W.; Choy, Chung-loong; Tao, Xiaoming; Demokan, Suleyman |
| 10-Apr-2007 | Strain-mediated electric-field control of resistance in the La[sub 0.85]Sr[sub 0.15]MnO₃/0.7Pb(Mg[sub ⅓]Nb[sub ⅔])O₃-0.3PbTiO₃ structure | Zheng, R. K.; Wang, Yu; Chan, Helen L. W.; Choy, Chung-loong; Luo, Haosu |
| 23-Feb-2007 | Structural and electro-optic properties of Ba[sub 0.7]Sr[sub 0.3]TiO₃ thin films grown on various substrates using pulsed laser deposition | Wang, Danyang; Wang, Jie; Chan, Helen L. W.; Choy, Chung-loong |
| 2002 | Structural and property changes of high energy proton-irradiated poly(vinylidene fluoride-trifluoroethylene) 56/44 mol.% copolymer | Lau, Sien Ting; Chan, Helen L. W.; Sundaravel, B.; Wilson, I. H.; Choy, Chung-loong |
| 1-Dec-2004 | Structural characterization and electron-energy-loss spectroscopic study of pulsed laser deposited LiNbO₃ films on a-sapphire | Dai, Jiyan; Lam, H. K.; Li, Quan; Wang, Jie; Chan, Helen L. W.; Choy, Chung-loong |
| 1-Nov-2003 | Structural evolution and dielectric relaxation behavior of electron-irradiated poly(vinylidene fluoride-trifluoroethylene) 80/20 mol% copolymers | Guo, Shishang; Lau, Sien Ting; Chan, Helen L. W.; Zhao, Xingzhong; Choy, Chung-loong |
| 1996 | Structure of nanocrystalline powder and thin films of lead lanthanum titanate prepared by the sol-gel process | Zhou, Qifa; Chan, Helen L. W.; Zhang, Qingqi; Choy, Chung-loong |
| 2002 | Studies of proton irradiated 0.9PMN-0.1PT/P(VDF-TrFE) 0-3 composites | Lam, Kwok-ho; Chan, Helen L. W.; Choy, Chung-loong; Luo, E. Z.; Wilson, I. H. |
| 28-Aug-2006 | Study of domain boundary polarization in (111)-cut [Pb(Mg[sub ⅓]Nb[sub ⅔])O₃]₀.₇ (PbTiO₃)₀.₃ single crystal by piezoresponse force microscopy | Wong, K. S.; Zhao, X.; Dai, Jiyan; Choy, Chung-loong; Zhao, X. Y.; Luo, H. S. |
| 14-Apr-2003 | Study of interfacial reaction and its impact on electric properties of Hf-Al-O high-k gate dielectric thin films grown on Si | Lee, P. F.; Dai, Jiyan; Wong, Kin-hung; Chan, Helen L. W.; Choy, Chung-loong |
| Apr-2004 | Study of the structure and electrostrictive property of proton-irradiated P(VDF-TrFE) 56/44 mol% copolymer | Lau, Sien Ting; Chan, Helen L. W.; Choy, Chung-loong |
| 1995 | Study on PZT4/VF₂/VF₃ piezoelectric 0-3 composites | Chan, Helen L. W.; Chen, Yong; Choy, Chung-loong |
| 28-Feb-2008 | Substrate-induced strain effect in La[sub 0.875]Ba[sub 0.125]MnO₃ thin films grown on ferroelectric single-crystal substrates | Zheng, R. K.; Wang, Yu; Chan, Helen L. W.; Choy, Chung-loong; Luo, Haosu |
| Dec-1996 | Thermal hysteresis in the permittivity and polarization of lead zirconate titanate/vinylidenefloride-trifluoroethylene 0-3 composites | Chan, Helen L. W.; Chen, Yong; Choy, Chung-loong |
| 2002 | Thermally stimulated depolarization current in ferroelectric blends of copolymers of vinylidene fluoride with trifluoroethylene | Bai, B.; Zhang, X.; Peng, Z.; Chan, Helen L. W.; Choy, Chung-loong |
| 1999 | Thermally stimulated depolarization current of BaTiO₃/P[VDF(70)-TrFE(30)] 0-3 ferroelectric composites | Zhang, Xingyuan; Peng, Zhi; Chan, Helen L. W.; Choy, Chung-loong |
| 26-Mar-2007 | Thickness dependence of in-plane dielectric and ferroelectric properties of Ba[sub 0.7]Sr[sub 0.3]TiO₃ thin films epitaxially grown on LaAlO₃ | Zhou, Xiaoyuan; Wang, Danyang; Zheng, R. K.; Tian, Huyong; Qi, Jianquan; Chan, Helen L. W.; Choy, Chung-loong; Wang, Yu |
| 26-Sep-2006 | Tuning the electrical properties of La[sub 0.75]Ca[sub 0.25]MnO₃ thin films by ferroelectric polarization, ferroelectric-field effect, and converse piezoelectric effect | Zheng, R. K.; Wang, Yu; Wang, Jie; Wong, K. S.; Chan, Helen L. W.; Choy, Chung-loong; Luo, Haosu |
| 11-Sep-2001 | Ultrasonic transducer | Chan, Helen L. W.; Or, Derek Siu-wing; Choy, Chung-loong |
| 20-Feb-2001 | Ultrasonic transducer | Chan, Helen L. W.; Or, Derek Siu-wing; Cheng, Kei-chun; Choy, Chung-loong |
| 3-Dec-2001 | X-ray diffraction and Raman scattering study of SrBi₂Ta₂O[sub 9] ceramics and thin films with Bi₃TiNbO[sub 9] addition | Zhu, J. S.; Qin, H. X.; Bao, Z. H.; Wang, Yening; Cai, W. Y.; Chen, P. P.; Lu, W.; Chan, Helen L. W.; Choy, Chung-loong |
Showing results 58 to 128 of 128
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