Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/8649
Title: Micro-Raman scattering and DC field dependent dielectric properties of BaZrxTi1-xO3 relaxor ferroelectric ceramics
Authors: Ke, S
Huang, H 
Fan, H
Chan, HLW 
Zhou, LM 
Keywords: BZT
Dielectric property
Micro-Raman scattering
Relaxor ferroelectrics
Tunability
Issue Date: 2007
Publisher: SPIE-International Society for Optical Engineering
Source: Proceedings of SPIE : the International Society for Optical Engineering, 2007, v. 6423, 64232E How to cite?
Journal: Proceedings of SPIE : the International Society for Optical Engineering 
Abstract: Barium zirconate titanate BaZrxTi1-xO3 (BZT, x=0.25-0.55) ceramics have been prepared by traditional mixed oxide process. Dielectric and Raman scattering experiments were performed on various compositions. The evolution of Raman normal modes with increasing x suggested that BZT exhibits a variation of properties from conventional ferroelectric to relaxor with increasing Zr concentration. The DC electric field tunable behavior of the environmental friendly lead-free perovskite BZT relaxor ceramics was studied in the temperature range from 77 to 350 K. The results have been analyzed in relation to tunability and K factor (figure of merit) of the tunable dielectric materials.
Description: International Conference on Smart Materials and Nanotechnology in Engineering, Harbin, 1-4 July 2007
URI: http://hdl.handle.net/10397/8649
ISBN: 9780819465368
ISSN: 0277-786X
EISSN: 1996-756X
DOI: 10.1117/12.779867
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