LAYER STRUCTURES BAO-BATIO3 IN THE REGION OF P-TYPE CONDUCTIVITY ON THE SURFACE OF BATIO3

被引：26
|
作者：
SZOT, K
FREIBURG, C
PAWELCZYK, M
机构：
[1] FORSCHUNGSZENTRUM JULICH, ZENT ABT CHEM ANAL, W-5170 JULICH 1, GERMANY
[2] SILESIAN UNIV, INST PHYS, PL-40007 KATOWICE, POLAND
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 1991年 / 53卷 / 06期
关键词：
D O I：
10.1007/BF00331547
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
X-ray diffraction measurements on the surface of polycrystalline BaTiO3 show that a reversible process of defect segregation occurs in the temperature range from 500 to 1000-degrees-C and in the air pressure range from 10(-2) to 760 torr. This causes the appearance and disappearance of new crystalline phases of the formula Ban+1TinO3n+1 (n = 1,2,3). These findings amend the present defect models developed on the basis of measurements of the p-type equilibrium conductivity as a function of oxygen partial pressure.
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收藏
页码：563 / 567
页数：5
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