期刊
MICROSCOPY AND MICROANALYSIS
卷 15, 期 5, 页码 435-440出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1431927609090722
关键词
(K,Na)NbO3; SEM; EBSD; EDXS; WDXS; TEM
In this work we investigated the chemical composition and structure of (K0.5Na0.5)NbO3 (KNN) single crystals grown by the solid state crystal growth method. The optical, scanning, and transmission electron microscopies were employed for the analysis of the chemical homogeneity and don-lain Structure of the KNN crystal. No compositional inhomogeneities within experimental error were encountered in the KNN single crystals. The domain structure of the KNN single crystal, with a monoclinic unit cell, is composed of large 90 degrees domains of up to 100 mu m width, which further consist of smaller 180 degrees domains with widths from 50 to 300 nm.
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