| 光声效应在研究铁电陶瓷相变中的应用 |
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| 引用本文： | 黎光,殷庆瑞,殷之文. 光声效应在研究铁电陶瓷相变中的应用[J]. 无机材料学报, 1986, 0(3) |
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| 作者姓名： | 黎光 殷庆瑞 殷之文 |
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| 作者单位： | 中国科学院上海硅酸盐所(黎光，殷庆瑞)，中国科学院上海硅酸盐所(殷之文) |
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| 摘 要： | 本文报导了用光声技术研究铁电陶瓷 Pb(Zr,Ti,Sn)O_3(PSZT),透明 PLZT 以及 Li_(1-x)Na_xNbO_3(LNN)的相变,清楚地揭示了这些陶瓷所呈现的不同相变特性以及相变点随组分的变化,与某些常规研究方法相比较,显示了在相变点附近,光声信号的幅度和相位的变化非常灵敏。并用热力学解释了实验结果。
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| 关 键 词： | 光声效应 铁电相变 |
Photoacoustic Study on Phase Transition in FE Ceramics |
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| Li Guang Yin Qingrui Yin Zhiwen. Photoacoustic Study on Phase Transition in FE Ceramics[J]. Journal of Inorganic Materials, 1986, 0(3) |
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| Authors: | Li Guang Yin Qingrui Yin Zhiwen |
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| Abstract: | The phase transition in FE ceramics,such as Pb(Zr,Ti,Sn)O_3 (PSZT),transparentPLZT and Li_(1-x)Na_xNbO_3(LNN),have been studied by the photoacoustic technique.Ithas been found that there are different features of phase transitions in these ceramics.This shows the photoacoustic technique is very sensitive to phase transitions.Further-more,the results thus obtained could be explained thermodynamically. |
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| Keywords: | Photoacoustic effect FE phase transition |
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