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Browsing by Author "Chan, Helen L. W."

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Issue DateTitleAuthor(s)
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
2-Aug-2006 Optical properties of epitaxial and polycrystalline Sr[sub 1.8]Ca[sub 0.2]NaNb[sub 5]O[sub 15] thin-film waveguides grown by pulsed laser depositionLiu, W. C.; Mak, Chee-leung; Wong, Kin-hung; Wang, Danyang; Chan, Helen L. W.
30-Dec-2010 Optofluidic microcavities : dye-lasers and biosensorsChen, Yong; Lei, Lei; Zhang, K.; Shi, J.; Wang, L.; Li, H.; Zhang, Xuming; Wang, Yu; Chan, Helen L. W.
30-Dec-2010 Optofluidic planar reactors for photocatalytic water treatment using solar energyLei, Lei; Wang, Ning; Zhang, Xuming; Tai, Qidong; Tsai, Din Ping; Chan, Helen L. W.
18-Jul-2008 Organic phototransistor based on poly(3-hexylthiophene)/TiO₂ nanoparticle compositeMok, Sheung-man; Yan, Feng; Chan, Helen L. W.
Jan-2001 PCLT/P(VDF-TrFE) nanocomposite pyroelectric sensorsZhang, Qingqi; Chan, Helen L. W.; Ploss, Bernd; Choy, Chung-loong
Jun-2009 Performances of one-dimensional sonomyography and surface electromyography in tracking guided patterns of wrist extensionGuo, Jing-Yi; Zheng, Yong-Ping; Huang, Qing-Hua; Chen, Xin; He, Junfeng; Chan, Helen L. W.
1998 Performance study of an ultrasonic transducer used for wire bondingOr, Derek Siu-wing; Chan, Helen L. W.; Lo, Veng-cheong; Yuen, C. W.
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
24-Feb-2009 Piezoelectric ceramic composition and the method for preparing the sameWang, Xiaoxing; Kwok, Kin-wing; Chan, Helen L. W.; Choy, Siu-hong
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
Jul-2009 Piezoelectric dispenser based on a piezoelectric-metal-cavity actuatorLam, Kwok-ho; Sun, Chengliang; Kwok, Kin-wing; Chan, Helen L. W.
2006 Piezoelectric micromachined ultrasonic transducers based on P(VDF-TrFE) copolymer thin filmsChao, Chen; Lam, Tin-yan; Kwok, Kin-wing; Chan, Helen L. W.
20-Mar-2008 Piezoelectric properties and hardening behavior of K[sub 5.4]Cu[sub 1.3]Ta[sub 10]O[sub 29]-doped K[sub 0.5]Na[sub 0.5]NbO₃ ceramicsLin, Dunmin; Kwok, Kin-wing; Chan, Helen L. W.
1995 Piezoelectric properties of 1-3 composites of PZT in P(VDF-TrFE) copolymerKwok, Kin-wing; Chan, Helen L. W.; Choy, Chung-loong
28-Aug-2001 Piezoelectric sensor for measuring bonding parametersChan, Helen L. W.; Chiu, Siu San; Or, Derek Siu-wing; Cheung, Yiu Ming
6-Jun-2008 Piezoresponse and ferroelectric properties of lead-free [Bi[sub 0.5](Na[sub 0.7]K[sub 0.2]Li[sub 0.1])[sub 0.5]]TiO₃ thin films by pulsed laser depositionWang, Danyang; Lin, Dunmin; Wong, K. S.; Kwok, Kin-wing; Dai, Jiyan; Chan, Helen L. W.
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.
15-Nov-2004 Polarization response of proton irradiated 0.9Pb(Mg[sub ⅓]Nb[sub ⅔])0₃-0.1PbTiO₃/polyvinylidene fluoride-trifluoroethylene 0-3 compositesLam, Kwok-ho; Chan, Helen L. W.
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
2001 PT/P(VDF-TrFE) hydrophone arrayLau, Sien Ting; Kwok, Kin-wing; Chan, Helen L. W.
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
16-Mar-2007 Raman scattering spectra and ferroelectric properties of Bi[sub 1-x]Nd[sub x]FeO₃ (x=0-0.2) multiferroic ceramicsYuan, G. L.; Or, Derek Siu-wing; Chan, Helen L. W.
15-Jun-2001 Raman spectra and structural phase transition in nanocrystalline lead lanthanum titanateZhou, Qifa; Chan, Helen L. W.; Zhang, Qingqi; Choy, Chung-loong
17-Jan-2007 Reduced ferroelectric coercivity in multiferroic Bi[sub 0.825]Nd[sub 0.175]FeO₃ thin filmYuan, G. L.; Or, Derek Siu-wing; Chan, Helen L. W.; Liu, Zhiguo
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
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
30-Dec-2010 Release monitoring of single cells on a microfluidic device coupled with fluorescence microscopy and electrochemistryShi, Bao-Xian; Wang, Yu; Lam, Tin-Lun; Huang, Wei-Hua; Zhang, Kai; Leung, Thomas Y. C.; Chan, Helen L. W.
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.
1996 Sensors for automatic process control of wire bondingOr, Derek Siu-wing; Chan, Helen L. W.; Lo, Veng-cheong; Yuen, C. W.
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-Oct-2007 Slow relaxation of piezoelectric response in CdZnTe ferroelectric semiconductor single crystalsKe, Shanming; Huang, Haitao; Wang, Tao; Fan, Huiqing; Jie, Waiqi; Chan, Helen L. W.
2001 Smart 1-3 composites for ultrasonic transducer applicationsChan, Helen L. W.
1999 Smart ferroelectric materials for sensors and mechatronic device applicationsChan, Helen L. W.
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.
Jul-2004 Spin orientation and spontaneous magnetostriction of multicomponent Tb[sub x]Dy[sub 1-x-y]Pr[sub y](Fe[sub 0.9]B[sub 0.1])[sub 1.93] Laves phasesRen, W. J.; Or, Derek Siu-wing; Chan, Helen L. W.; Li, W. F.; Zhao, X. G.; Song, X. P.; Zhang, Z. D.
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
Jul-2004 Structural, magnetic, and magnetostrictive properties of Tb[sub 1-x]Nd[sub x](Fe[sub 0.9]B[sub 0.1])₂ alloysRen, W. J.; Or, Derek Siu-wing; Chan, Helen L. W.; Zhao, X. G.; Liu, J. J.; Zhang, Z. D.
1-Apr-2007 Structure and electrical properties of K₀.₅Na₀.₅NbO₃-LiSbO₃lead-free piezoelectric ceramicsLin, Dunmin; Kwok, Kin-wing; Lam, Kwok-ho; Chan, Helen L. W.
11-Oct-2007 Structure, dielectric, and piezoelectric properties of CuO-doped K[sub 0.5]Na[sub 0.5]NbO₃-BaTiO₃ lead-free ceramicsLin, Dunmin; Kwok, Kin-wing; Chan, Helen L. W.
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.
12-Dec-2007 Study of BNKLBT-1.5 lead-free ceramic/epoxy 1-3 compositesChoy, Siu-hong; Li, W. K.; Li, H. K.; Lam, Kwok-ho; Chan, Helen L. W.
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
2006 Study of PMN-PT single crystals for resonator applicationsWong, H. T.; Kwok, Kin-wing; Chan, Helen L. W.
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
7-Dec-2007 A study on the disk-shaped piezoelectric transformer with multiple outputsGuo, Mingsen; Lam, Kwok-ho; Wang, Sheng; Kwok, Kin-wing; Chan, Helen L. W.; Zhao, Xingzhong
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
1-Apr-2003 Surface aided polarization reversal in small ferroelectric particlesChew, K.-H.; Osman, J.; Stamps, R. L.; Tilley, D. R.; Shin, Franklin G.; Chan, Helen L. W.
10-Jan-2011 Temperature and electric field dependence of the dielectric property and domain evolution in [001]-oriented 0.34Pb(In[sub ½]Nb[sub ½])O₃–0.25Pb(Mg[sub ⅓]Nb[sub ⅔])O₃–0.41PbTiO₃ single crystalChen, Yong; Lam, K. H.; Zhou, Dan; Gao, X. S.; Dai, Jiyan; Luo, Haosu; Chan, Helen L. W.
1-Mar-2009 Theoretical prediction on the structural, electronic, and polarization properties of tetragonal Bi₂ZnTiO₆Wang, Hai; Huang, Haitao; Lu, Wei; Chan, Helen L. W.; Wang, Biao; Woo, Chung-ho
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
Showing results 156 to 235 of 249
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