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PolyU Institutional Repository >
Browsing by Author "Chan, Helen L. W."
Showing results 194 to 245 of 245
| Issue Date | Title | Author(s) | | 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. |
| 1996 | Sensors for automatic process control of wire bonding | Or, 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 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-Oct-2007 | Slow relaxation of piezoelectric response in CdZnTe ferroelectric semiconductor single crystals | Ke, Shanming; Huang, Haitao; Wang, Tao; Fan, Huiqing; Jie, Waiqi; Chan, Helen L. W. |
| 2001 | Smart 1-3 composites for ultrasonic transducer applications | Chan, Helen L. W. |
| 1999 | Smart ferroelectric materials for sensors and mechatronic device applications | Chan, Helen L. W. |
| 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. |
| 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 phases | Ren, 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 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 |
| Jul-2004 | Structural, magnetic, and magnetostrictive properties of Tb[sub 1-x]Nd[sub x](Fe[sub 0.9]B[sub 0.1])₂ alloys | Ren, 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 ceramics | Lin, 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 ceramics | Lin, 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 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. |
| 12-Dec-2007 | Study of BNKLBT-1.5 lead-free ceramic/epoxy 1-3 composites | Choy, 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 Si | Lee, P. F.; Dai, Jiyan; Wong, Kin-hung; Chan, Helen L. W.; Choy, Chung-loong |
| 2006 | Study of PMN-PT single crystals for resonator applications | Wong, 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% 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 |
| 7-Dec-2007 | A study on the disk-shaped piezoelectric transformer with multiple outputs | Guo, 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 substrates | Zheng, R. K.; Wang, Yu; Chan, Helen L. W.; Choy, Chung-loong; Luo, Haosu |
| 1-Apr-2003 | Surface aided polarization reversal in small ferroelectric particles | Chew, 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 crystal | Chen, 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 Bi₂ZnTiO₆ | Wang, 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 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 |
| 22-Oct-2012 | Time-variant 1D photonic crystals using flowing microdroplets | Chen, Zefeng; Yong, Zehui; Leung, C. W.; Zhang, Xuming; Chen, Yihang; Chan, Helen L. W.; Wang, Yu |
| 15-Mar-2010 | Towards pure near-infrared to near-infrared upconversion of multifunctional GdF₃:Yb³⁺,Tm³⁺ nanoparticles | Wong, Hon-Tung; Chan, Helen L. W.; Hao, J. H. |
| 2002 | TSDC measurements of underfill encapsulant used in microelectronic packaging | Cheng, Kei-chun; Peng, Z.; Wong, C. S.; Chan, Helen L. W. |
| 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 |
| Jan-2005 | Ultrasonic hydrophone based on distributed Bragg reflector fiber laser | Guan, Bai-ou; Tam, Hwa-yaw; Lau, Sien Ting; Chan, Helen L. W. |
| 28-May-2008 | Ultrasonic particle trapping in microfluidic devices using soft lithography | Guo, Shishang; Zhao, Libo; Zhang, K.; Lam, Kwok-ho; Lau, Sien Ting; Zhao, Xingzhong; Wang, Yu; Chan, Helen L. W.; Chen, Y.; Baigl, D. |
| 20-Feb-2001 | Ultrasonic transducer | Chan, Helen L. W.; Or, Derek Siu-wing; Cheng, Kei-chun; Choy, Chung-loong |
| 11-Sep-2001 | Ultrasonic transducer | Chan, Helen L. W.; Or, Derek Siu-wing; Choy, Chung-loong |
| 17-Apr-2007 | Ultrasound sensor and ultrasound measurement device | Tam, Hwa-yaw; Chan, Helen L. W.; Guan, Bai-ou |
| 14-May-2004 | Water-induced degradation in 0.91Pb(Zn[sub ⅓]Nb[sub ⅔])O₃-0.09PbTiO₃ single crystals | Chen, W. P.; Qi, Jianquan; Wang, Yu; Jiang, X. P.; Chan, Helen L. W. |
| 13-May-2002 | Water-induced degradation in lead zirconate titanate piezoelectric ceramics | Chen, W. P.; Chan, Helen L. W.; Yiu, F. C. H.; Ng, K. M. W.; Liu, P. C. K. |
| 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 194 to 245 of 245
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