| 钛酸钡高压相变的研究进展 |
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| 引用本文： | 肖长江,马秋花,王春华.钛酸钡高压相变的研究进展[J].材料导报,2009,23(15). |
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| 作者姓名： | 肖长江 马秋花 王春华 |
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| 作者单位： | 河南工业大学材料科学与工程学院,郑州,450007 |
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| 基金项目： | 河南工业大学博士基金项目 |
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| 摘 要： | 钛酸钡是应用和研究最多的铁电体之一.从压力与介电常数的关系、晶胞参数与压力的关系、高压拉曼散射和高压X射线衍射实验等方面对高压下钛酸钡铁电相-顺电相的研究进行了综述.由于目前的研究只局限于实验方面,因此,在理论上探讨高压下铁电体的铁电相-顺电相转变机理和随晶粒尺寸变小钛酸钡材料的铁电相-顺电相转变压力的变化等方面将是未来研究的方向.
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| 关 键 词： | 钛酸钡 高压 铁电转变 |
Progress in Research on Pressure-induced Phase Transitions in BaTiO_3 |
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| XIAO Changjiang,MA Qiuhua,WANG Chunhua.Progress in Research on Pressure-induced Phase Transitions in BaTiO_3[J].Materials Review,2009,23(15). |
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| Authors: | XIAO Changjiang MA Qiuhua WANG Chunhua |
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| Affiliation: | XIAO Changjiang,MA Qiuhua,WANG Chunhua(Department of Materials Science , Engineering,Henan University of Technology,Zhengzhou 450007) |
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| Abstract: | BaTiO3 is one of most widely used ferroelectric materials and has been extensively studied.Under high pressure,the crystal structure can be transformed.In this paper the progress in research on the effect of pressure on the dielectric properties of crystal structure of single crystal and polycrystalline BaTiO3,the influence of high hydrostatic pressure on the lattice parameters,high pressure Raman scattering,high pressure powder X-ray diffraction are reviewed.However,the present attention is only focused on... |
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| Keywords: | BaTiO3 high pressure ferroelectric transition |
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