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Issue DateTitleAuthor(s)
1-Nov-2002 La-doped effect on the ferroelectric properties of Bi₄Ti₃O₁₂-SrBi₄Ti₄O[sub 15] thin film fabricated by pulsed laser depositionZhu, 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 applicationsKwok, 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 statesZeng, 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 filmsYuan, 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 constantXu, 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 niobateBao, 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 fieldsSong, 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 substrateZhou, 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 depositionZhu, 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] ceramicsSu, 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 techniquesSong, 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 compositesLi, 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 relaxorsLiu, J.-M.; Wang, X.; Chan, Helen L. W.; Choy, Chung-loong
15-Apr-2004 Monte Carlo simulation on dielectric and ferroelectric behaviors of relaxor ferroelectricsWang, X.; Liu, J.-M.; Chan, Helen L. W.; Choy, Chung-loong
2001 A novel process for preparing PZT thick filmsDing, 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 filmsJim, 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 filmsWang, 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 ellipsometryWan, Xinming; Chan, Helen L. W.; Choy, Chung-loong; Zhao, Xiangyong; Luo, Haosu
Jan-2001 PCLT/P(VDF-TrFE) nanocomposite pyroelectric sensorsZhang, Qingqi; Chan, Helen L. W.; Ploss, Bernd; Choy, Chung-loong
1996 Piezoelectric and pyroelectric properties of PT/P(VDF-TrFE) 0-3 compositesChan, 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 directionsNg, Kar-lai; Chan, Helen L. W.; Choy, Chung-loong
1-Nov-2000 Piezoelectric coefficient of aluminum nitride and gallium nitrideLueng, Chiu-ming; Chan, Helen L. W.; Surya, Charles; Choy, Chung-loong
2001 Piezoelectric coefficients of PMN-0.33PT single crystalsCheng, 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) copolymerKwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong
1-Oct-1996 Polarization of thick polyvinylidene fluoride/trifluoroethylene copolymer filmsChan, Helen L. W.; Zhao, Z.; Kwok, Kin-wing; Choy, Chung-loong; Alquié, C.; Boué, C.; Lewiner, J.
1999 Poling of ferroelectric compositesPloss, 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 compositesChew, 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 nanocompositesChen, Yong; Chan, Helen L. W.; Choy, Chung-loong
Aug-2000 Pyroelectric activity of ferroelectric PT/PVDF-TRFEPloss, 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 compositesChan, Helen L. W.; Chan, W. K.; Zhang, Y.; Choy, Chung-loong
8-May-2000 Pyroelectric or piezoelectric compensated ferroelectric compositesPloss, Beatrix; Ploss, Bernd; Shin, Franklin G.; Chan, Helen L. W.; Choy, Chung-loong
2001 Pyroelectric properties of PZT/P(VDF-TrFE) 0-3 compositesNg, W. Y.; Ploss, Bernd; Chan, Helen L. W.; Shin, Franklin G.; Choy, Chung-loong
1998 PZT/P(VDF-TrFE) nanocomposite hydrophones for ultrasonic measurementsChan, Helen L. W.; Lau, Sien Ting; Kwok, Kin-wing; Choy, Chung-loong
1999 PZT/P(VDF-TrFE) nanocomposites for ultrasonic hydrophone applicationsLau, 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 titanateZhou, 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 crystalsWan, Xinming; Luo, Haosu; Zhao, Xiangyong; Wang, Danyang; Chan, Helen L. W.; Choy, Chung-loong
Jun-2001 Relationship between the microstructure and nanoindentation hardness of thermally evaporated and magnetron-sputtered electrochromic tungsten oxide filmsOng, C. W.; Wong, H. Y.; Pang, Geoffrey Kin-hung; Baba-Kishi, K. Z.; 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 crystalZhao, 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) copolymerPloss, Bernd; Chan, Helen L. W.; Kwok, Kin-wing; Choy, Chung-loong
22-Jul-2003 Ring-shaped piezoelectric transformer having an inner and outer electrodeHu, 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 applicationLi, Kun; Chan, Helen L. W.; Choy, Chung-loong
3-Dec-2001 Scaling of hysteresis dispersion in a model spin systemLiu, J.-M.; Chan, Helen L. W.; Choy, Chung-loong; Ong, C. K.
21-May-2001 Scaling on hysteresis dispersion in ferroelectric systemsLiu, 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 memoryLiu, 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 compositesPloss, 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 applicationsCheng, 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 filmsMak, 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% copolymerLau, 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 copolymersPeng, Zhi; Zhang, Xingyuan; Chan, Helen L. W.; Choy, Chung-loong
5-Jan-2004 Spontaneous recovery of hydrogen-degraded TiO₂ ceramic capacitorsChen, 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 motorHu, Junhui; Li, Guorong; Chan, Helen L. W.; Choy, Chung-loong
May-2002 Step-changed long-period fiber gratingsGuan, 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 structureZheng, 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 depositionWang, 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.% copolymerLau, 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-sapphireDai, 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% copolymersGuo, 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 processZhou, Qifa; Chan, Helen L. W.; Zhang, Qingqi; Choy, Chung-loong
2002 Studies of proton irradiated 0.9PMN-0.1PT/P(VDF-TrFE) 0-3 compositesLam, 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 microscopyWong, 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 SiLee, 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% copolymerLau, Sien Ting; Chan, Helen L. W.; Choy, Chung-loong
1995 Study on PZT4/VF₂/VF₃ piezoelectric 0-3 compositesChan, 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 substratesZheng, R. K.; Wang, Yu; Chan, Helen L. W.; Choy, Chung-loong; Luo, Haosu
Oct-2003 Tensile strength of zinc oxide films measured by a microbridge methodOng, C. W.; Zong, D. G.; Aravind, M.; Choy, Chung-loong; Lu, D. R.
Dec-1996 Thermal hysteresis in the permittivity and polarization of lead zirconate titanate/vinylidenefloride-trifluoroethylene 0-3 compositesChan, Helen L. W.; Chen, Yong; Choy, Chung-loong
2002 Thermally stimulated depolarization current in ferroelectric blends of copolymers of vinylidene fluoride with trifluoroethyleneBai, 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 compositesZhang, 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 LaAlO₃Zhou, 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 effectZheng, R. K.; Wang, Yu; Wang, Jie; Wong, K. S.; Chan, Helen L. W.; Choy, Chung-loong; Luo, Haosu
20-Feb-2001 Ultrasonic transducerChan, Helen L. W.; Or, Derek Siu-wing; Cheng, Kei-chun; Choy, Chung-loong
11-Sep-2001 Ultrasonic transducerChan, Helen L. W.; Or, Derek Siu-wing; 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] additionZhu, 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 130 of 130
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