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Temperature and frequency dependences of the electric properties of CsLiB6O10 (CLBO) crystals

Zhufeng Wang 1Zengmei Wang 1Zhenxiang Cheng 2Hideo Kimura 3Xinli Guo 1Ji Chen 4Yiping Wang 4

1. Southeast University (SEU), Nanjing 210000, China
2. University of Wollongong, Wollongong NSW, Australia
3. National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba 305-0047, Japan
4. College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Abstract

In this paper, CLBO crystals were grown by top-seeded solution growth (TSSG) method using self-flux. The temperature and frequency dependence of the dielectric constant, dielectric loss, a.c. conductivity and impedance spectroscopy for different cuts CLBO crystal were investigated, also temperature characteristics of the resonance frequency and electromechanical coupling were studied.  The results show that (001)-plane of CLBO crystal has the highest dielectric constant in the order of 109, highest a.c. conductivity and highest electromechanical coupling factor of about 17% at elevated temperature, these make CLBO crystal excellent candidate for electrical application at elevated temperature. Also the anisotropy of electric properties has strong relationship with ion densities of different crystal plane. 

 

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Related papers

Presentation: Poster at 17th International Conference on Crystal Growth and Epitaxy - ICCGE-17, General Session 2, by Zhufeng Wang
See On-line Journal of 17th International Conference on Crystal Growth and Epitaxy - ICCGE-17

Submitted: 2013-04-27 04:34
Revised:   2013-04-27 04:36