PZN-PT铁电单晶的生长和畴结构

2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA) Pub Date : 2015-12-28 DOI:10.1109/SPAWDA.2015.7364533

Xu-xiang Li, Jiayue Xu, Tian Tian, J. Qian

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引用次数: 0

摘要

采用磁通布里奇曼法生长0.91Pb(Zn1/3Nb2/3)O3-0.09 PbTiO3 (PZN-9%PT)单晶。晶体被定向并切成几片。抛光后的光板呈浅黄色，透光率为50%。用偏振光显微镜观察到条带状和指状结构域。利用高温金相显微镜观察了结构域的评价，结果表明结构域由菱形、四方相到立方相的可逆过程。采用Cary 5000紫外/可见/近红外分光光度计测定其透过率。结果表明，两个区域的透光率不同。

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Growth and domain structures in PZN-PT ferroelectric single crystals

0.91Pb(Zn1/3Nb2/3)O3-0.09 PbTiO3 (PZN-9%PT) single crystal was grown by flux Bridgman method. The crystal was oriented and cut into several plates. The polished plate looks pale yellow with 50% transmittance. Strip-like and finger-like domains were observed using a polarized light microscopy. The evaluation of domains were observed using a high temperature metallurgical microscope and the results revealed the reversible process of domains from rhombohedral and tetragonal to cubic phases. Cary 5000 UV/VIS/NIR spectrophotometer was used to be measured the transmittance. The results show that two regions exhibit different transmittance.

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2015 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA)

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