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PolyU Institutional Repository >
Browsing by Author "Choy, Chung-loong"
Showing results 17 to 96 of 128
| Issue Date | Title | Author(s) | | 15-Mar-2000 | Effect of annealing in reduced oxygen pressure on the electrical transport properties of epitaxial thin film and bulk (La₁₋ₓNdₓ)₀.₇Sr₀.₃MnO₃ | Wu, Wenbin; Wong, Kin-hung; Li, X.-G.; Choy, Chung-loong; Zhang, Y. H. |
| 1-Apr-2005 | Effect of dc bias on the Curie-Weiss exponent in 0.76Pb(Mg[sub ⅓]Nb[sub ⅔]) O₃-0.24PbTiO₃ ferroelectric single crystal | Lu, S. G.; Xu, Z. K.; Chen, Haydn; Zhao, Xiangyong; Luo, Haosu; Wang, Jie; Chan, Helen L. W.; Choy, Chung-loong |
| 1998 | Effect of dielectric relaxation on the performance of P(VDF-TrFE) copolymer ultrasonic transducers | Kwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong |
| 11-Sep-2000 | Effect of electron irradiation on poly(vinylidene fluoride-trifluoroethylene) copolymers | Tang, Yiwen; Zhao, Xingzhong; Chan, Helen L. W.; Choy, Chung-loong |
| 1-Sep-2009 | Effect of ferroelectric-poling-induced strain on the phase separation and magnetotransport properties of La₀.₇Ca₀.₁₅Sr₀.₁₅MnO₃thin films grown on ferroelectric single-crystal substrates | Zheng, R. K.; Habermeier, H.-U.; Chan, Helen L. W.; Choy, Chung-loong; Luo, Haosu |
| 9-Mar-2005 | The effect of Fe substitution on pyroelectric properties of 0.62Pb(Mg[sub ⅓]Nb[sub ⅔])O₃-0.38PbTiO₃ single crystals | Wan, Xinming; Chew, K.-H.; Chan, Helen L. W.; Choy, Chung-loong; Zhao, Xiangyong; Luo, Haosu |
| 30-Aug-2004 | Effect of lattice-misfit strain on the process-induced imprint behavior in epitaxial Pb(Zr₀.₅₂Ti₀.₄₈)O₃thin films | Wu, Wenbin; Wang, Y.; Pang, Geoffrey Kin-hung; Wong, Kin-hung; Choy, Chung-loong |
| 17-May-1999 | Effect of poling procedure on the properties of lead zirconate titanate/vinylidene fluoride-trifluoroethylene composites | Chan, Helen L. W.; Ng, P. K. L.; Choy, Chung-loong |
| 1996 | Effect of target material on the laser induced pressure pulse measurements for thick P(VDF-TrFE) copolymers | Zhang, Y.; Chan, Helen L. W.; Choy, Chung-loong |
| 26-Oct-2005 | Effects of Ca doping on the Curie temperature, structural, dielectric, and elastic properties of Ba[sub 0.4]Sr[sub 0.6-x]Ca[sub x]TiO₃ (0≤x≤0.3) perovskites | Zheng, R. K.; Wang, Jie; Tang, Xingui; Wang, Yu; Chan, Helen L. W.; Choy, Chung-loong; Li, X. G. |
| 28-Jun-2006 | Effects of ferroelectric polarization and converse piezoelectric effect induced lattice strain on the electrical properties of La[sub 0.7]Sr[sub 0.3]MnO₃ thin films | Zheng, R. K.; Wang, Jie; Zhou, Xiaoyuan; Wang, Yu; Chan, Helen L. W.; Choy, Chung-loong; Luo, Haosu |
| 1-Aug-2010 | Effects of ferroelectric-poling-induced strain on the transport and magnetic properties of La₇ /₈Ba₁/₈MnO₃thin films | Zheng, R. K.; Wang, Yu; Chan, Helen L. W.; Choy, Chung-loong; Habermeier, H.-U.; Luo, Haosu |
| 1-Feb-2004 | Effects of niobium doping on the piezoelectric properties of sol-gel-derived lead-zirconate-titanate films | Kwok, Kin-wing; Tsang, Chin-wah Rodney; Chan, Helen L. W.; Choy, Chung-loong |
| 1-Mar-2010 | Effects of substrate-induced strain on transport properties of LaMnO[sub 3+δ] and CaMnO₃ thin films using ferroelectric poling and converse piezoelectric effect | Zheng, R. K.; Habermeier, H.-U.; Chan, Helen L. W.; Choy, Chung-loong; Luo, H. S. |
| 30-Jul-2001 | Electrical and pyroelectric properties of in-plane polarized lead lanthanum titanate thin film | Song, Z. T.; Chong, Nui; Chan, Helen L. W.; Choy, Chung-loong |
| 2001 | Electron irradiation effects in electrostrictive P(VDF-TrFE) copolymers | Tang, Y. W.; Zhao, X.-Z.; Chan, Helen L. W.; Choy, Chung-loong |
| 17-May-2005 | Enhanced in-plane ferroelectricity in Ba[sub 0.7]Sr[sub 0.3]TiO₃ thin films grown on MgO (001) single-crystal substrate | Wang, Danyang; Wang, Yu; Zhou, Xiaoyuan; Chan, Helen L. W.; Choy, Chung-loong |
| 1994 | Enhancement of piezoelectric activity in P(VDF-TrFE) copolymer using two-step poling | Chan, Helen L. W.; Zhao, Z.; Kwok, Kin-wing; Choy, Chung-loong |
| 15-Jul-2000 | Epitaxial and highly electrical conductive La₀.₅Sr₀.₅TiO₃films grown by pulsed laser deposition in vacuum | Wu, Wenbin; Lu, Fei; Wong, Kin-hung; Pang, Geoffrey Kin-hung; Choy, Chung-loong; Zhang, Y. H. |
| 6-May-2002 | Epitaxial growth and planar dielectric properties of compositionally graded (Ba[sub 1-x]Sr[sub x])TiO₃ thin films prepared by pulsed-laser deposition | Zhu, Xinhua; Chong, Nui; Chan, Helen L. W.; Choy, Chung-loong; Wong, Kin-hung; Liu, Zhiguo; Ming, Naiben |
| Mar-2008 | Epitaxial growth, dielectric response, and microstructure of compositionally graded (Ba,Sr)TiO₃ thin films grown on (100) MgO substrates by pulsed laser deposition | Zhu, Xinhua; Zhu, Jianmin; Zhou, Shunhua; Liu, Zhiguo; Ming, Naiben; Chan, Helen L. W.; Choy, Chung-loong; Wong, Kin-hung |
| 3-Jan-2007 | Epitaxial growth of SrTiO₃ thin film on Si by laser molecular beam epitaxy | Zhou, Xiaoyuan; Miao, Jun; Dai, Jiyan; Chan, Helen L. W.; Choy, Chung-loong; Wang, Yu; Li, Q. |
| 15-Jul-2003 | Epitaxial growth of yttrium-stabilized HfO₂ high-k gate dielectric thin films on Si | Dai, Jiyan; Lee, P. F.; Wong, Kin-hung; Chan, Helen L. W.; Choy, Chung-loong |
| 15-Aug-2000 | Epitaxial Pb(Zr₀.₅₂Ti₀.₄₈)O₃/La₀.₃₅Nd₀.₃₅Sr₀.₃MnO₃heterostructures for fabrication of ferroelectric field-effect transistor | Wu, Wenbin; Wong, Kin-hung; Mak, Chee-leung; Choy, Chung-loong; Zhang, Y. H. |
| Jul-1997 | Evaluation of the material parameters of piezoelectric materials by various methods | Kwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong |
| 20-Mar-2006 | Fabrication and characterization of epitaxial Ba₀.₇Sr₀.₃TiO₃ thin films for optical waveguide applications | Wang, Dan-Yang; Chan, Helen L. W.; Choy, Chung-loong |
| 2002 | Fabrication of multilayer ring transformer | Wong, Nga-yan; Chan, Helen L. W.; Choy, Chung-loong |
| Mar-2003 | Factors affecting the performance of the bimorph-based dilatometer for field induced strain measurement of polymer films | Guo, Shishang; Chan, Helen L. W.; Zhao, Xingzhong; Choy, Chung-loong |
| 1-May-2009 | Ferroelectric poling and converse-piezoelectric-effect-induced strain effects in La₀.₇Ba₀.₃MnO₃ thin films grown on ferroelectric single-crystal substrates | Zheng, R. K.; Jiang, Y.; Wang, Yu; Chan, Helen L. W.; Choy, Chung-loong; Luo, H. S. |
| 16-Jun-2003 | Ferroelectric properties of (Ba[sub 0.5]Sr[sub 0.5])TiO₃/Pb(Zr[sub 0.52]Ti[sub 0.48])O₃/(Ba[sub 0.5]Sr[sub 0.5])TiO₃ thin films with platinum electrodes | Yan, Feng; Wang, Yening; Chan, Helen L. W.; Choy, Chung-loong |
| 1-Feb-1999 | Field-induced crossover from cluster-glass to ferromagnetic state in La₀.₇Sr₀.₃Mn₀.₇Co₀.₃O₃ | Li, X.-G.; Fan, X. J.; Ji, G.; Wu, Wenbin; Wong, Kin-hung; Choy, Chung-loong; Ku, H. C. |
| 15-Jun-2003 | Giant magnetoelectric effect of a hybrid of magnetostrictive and piezoelectric composites | Wan, J. G.; Liu, J.-M.; Chan, Helen L. W.; Choy, Chung-loong; Wang, G. H.; Nan, C. W. |
| 15-Mar-2003 | Growth and characterization of Hf-aluminate high-k gate dielectric ultrathin films with equivalent oxide thickness less than 10 Å | Lee, P. F.; Dai, Jiyan; Wong, Kin-hung; Chan, Helen L. W.; Choy, Chung-loong |
| 7-Jun-2004 | Growth and pyroelectric property of 0.2 mol % Fe-doped Pb(Mg[sub ⅓]Nb[sub ⅔])O₃-0.38PbTiO₃ single crystals measured by a dynamic technique | Wan, Xinming; Tang, Xingui; Wang, Jie; Chan, Helen L. W.; Choy, Chung-loong; Luo, Haosu |
| 26-Apr-2004 | High electrostriction and relaxor ferroelectric behavior in proton-irradiated poly(vinylidene fluoride-trifluoroethylene) copolymer | Guo, Shishang; Zhao, Xingzhong; Zhou, Qifa; Chan, Helen L. W.; Choy, Chung-loong |
| 27-Mar-2006 | High sensitivity cymbal-based accelerometer | Sun, Chengliang; Lam, Kwok-ho; Choy, Siu-hong; Chan, Helen L. W.; Zhao, Xingzhong; Choy, Chung-loong |
| 28-Apr-2003 | High tunability in compositionally graded epitaxial barium strontium titanate thin films by pulsed-laser deposition | Lu, S. G.; Zhu, X. H.; Mak, Chee-leung; Wong, Kin-hung; Chan, Helen L. W.; Choy, Chung-loong |
| 30-Aug-2004 | In-plane dielectric properties of epitaxial 0.65Pb(Mg[sub ⅓]Nb[sub ⅔])O₃-0.35 PbTiO₃ thin films in a very wide frequency range | Wang, Yu; Cheng, Y. L.; Cheng, Kei-chun; Chan, Helen L. W.; Choy, Chung-loong; Liu, Z. R. |
| 22-Nov-2004 | Interface-oxygen-loss-controlled voltage offsets in epitaxial Pb(Zr₀.₅₂Ti₀.₄₈)O₃ thin-film capacitors with La₀.₇Sr₀.₃MnO₃ electrodes | Wu, Wenbin; Wong, Kin-hung; Choy, Chung-loong |
| 2001 | Internal fields in PT/PVDF-TrFE 0-3 composites | Ploss, Beatrix; Ploss, Bernd; Shin, Franklin G.; Chan, Helen L. W.; Choy, Chung-loong |
| 2002 | Internal friction and Young's modulus of titanium-doped lead magnesium niobate | Bao, Peng; Yan, Feng; Li, W.; Dai, Y. R.; Shen, H. M.; Zhu, J. S.; Chan, Helen L. W.; Choy, Chung-loong; Wang, Yening |
| 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 |
Showing results 17 to 96 of 128
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