1 November 2007 Micro-Raman scattering and DC field dependent dielectric properties of BaZrxTi1-xO3 relaxor ferroelectric ceramics
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Proceedings Volume 6423, International Conference on Smart Materials and Nanotechnology in Engineering; 64232E (2007) https://doi.org/10.1117/12.779867
Event: International Conference on Smart Materials and Nanotechnology in Engineering, 2007, Harbin, China
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.
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Shanming Ke, Shanming Ke, Haitao Huang, Haitao Huang, Huiqing Fan, Huiqing Fan, H. L. W. Chan, H. L. W. Chan, L. M. Zhou, L. M. Zhou, } "Micro-Raman scattering and DC field dependent dielectric properties of BaZrxTi1-xO3 relaxor ferroelectric ceramics", Proc. SPIE 6423, International Conference on Smart Materials and Nanotechnology in Engineering, 64232E (1 November 2007); doi: 10.1117/12.779867; https://doi.org/10.1117/12.779867
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