Ferroelectric characteristics of strontium barium niobate crystal

被引：0

作者：

Wu, Rina ^{[1
]}

Chen, Chunrong ^{[1
]}

Wei, Zhaoyang ^{[1
]}

Wan, Yuchun ^{[1
]}

机构：

[1] College of Material and Engineering, Changchun University of Science and Technology, Changchun 130022, China

来源：

Kuei Suan Jen Hsueh Pao/ Journal of the Chinese Ceramic Society | 2007年 / 35卷 / 01期

关键词：

Dielectric properties - Hysteresis loops - Optical microscopy - Phase transitions;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The optical axis of ferroelectric monocrystal SrxBa1-xNb2O6 was confirmed to be a z axis using a polarized light microscope. A z-cut slice of 5 mm × 3 mm × 0.45 mm was made. With a 50 Hz alternating current field, the perfect ferroelectric hysteresis loop was obtained through a Sawyer-Tower circuit. The dependence of the dielectric spectra on the temperature and phase transition property of SrxBa1-xNb2O6 was analyzed. It was found that the characteristic temperature Tm transferred from the ferroelectric into the paraelectric phase is 74°C and the transition can be characterized as a relaxor phase transition.

引用

页码：52 / 54

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