Nanodomain Structures With Hierarchical Inhomogeneities in PMN-PT

被引：7
作者：
Kurushima, Kosuke [1 ]
Kobayashi, Keisuke [2 ]
Mori, Shigeo [2 ]
机构：
[1] Toray Res Ctr Ltd, Otsu, Shiga, Japan
[2] Osaka Prefecture Univ, Dept Mat Sci, Sakai, Osaka 591, Japan
来源：
IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 2012年 / 59卷 / 09期
关键词：
D O I：
10.1109/TUFFC.2012.2404
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The nanometric domain configuration of (1 - x) Pb(Mg1/3Nb2/3)O-3-xPbTiO(3) [(1 - x)PMN-xPT] single crystals in the monoclinic phase around a morphotropic phase boundary (MPB) has been examined thoroughly by means of transmission electron microscopy (TEM). Domain structures with hierarchically inhomogeneous configuration were found in the monoclinic phase near the MPB region around x similar to 0.32, which are characterized as nanoscaled lamella-type domain structures with similar to 10 nm width inside macroscopic-sized banded domains with 100 to 200 nm width. To elucidate formation processes of the domain structures with hierarchically inhomogeneous configuration, an in situ TEM observation of changes of the domain structures in the temperature window between 298K and 500K was carried out. It is revealed that these nanoscaled lamella-type domain structures with similar to 10 nm width appear inside the banded domains as a result of the tetragonal structure and are inherent to the monoclinic phase.
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页码：1900 / 1902
页数：3
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