铁电陶瓷中电场诱导现象的原位透射电镜研究

2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics Pub Date : 2007-05-27 DOI:10.1109/ISAF.2007.4393240

X. Tan, W. Qu, H. He

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引用次数: 0

摘要

在透射电子显微镜(TEM)室中，在成像过程中向样品施加高电场，以揭示铁电氧化物中电场诱导现象的细节。其中包括PZT陶瓷的晶界空化、Pb(Mg1/3Nb2/3)O3-PbTiO3 (PMN- pt)单晶的畴壁断裂、Pb0.99Nb0.02[(Zr1-xSnx)1-yTiy]0.98O3 (PZST100x/100y/2)陶瓷中不适应调制的转变以及sc修饰PMN陶瓷中极性纳米畴的生长。

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In situ TEM Study of Electric Field-Induced Phenomena in Ferroelectric Ceramics

High electric fields were delivered to specimens during imaging in the transmission electron microscopy (TEM) chamber to reveal details of electric field-induced phenomena in ferroelectric oxides. These include the grain boundary cavitation in a PZT ceramic, the domain wall fracture in a Pb(Mg_1/3Nb_2/3)O₃-PbTiO₃ (PMN-PT) single crystal, the transformation of incommensurate modulations in Pb_0.99Nb_0.02[(Zr_1-xSn_x)_1-yTi_y]_0.98O₃ (PZST100x/100y/2) ceramics, and the growth of polar nanodomains in a Sc-modified PMN ceramic.

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2007 Sixteenth IEEE International Symposium on the Applications of Ferroelectrics

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