Orbital phase transition in Pr1-xCaxMnO3

被引：9
|
作者：
Shakhmatov, VS [1 ]
Plakida, NM
Tonchev, NS
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
[2] Bulgarian Acad Sci, Inst Solid State Phys, Sofia 1784, Bulgaria
来源：
JETP LETTERS | 2003年 / 77卷 / 01期
关键词：
D O I：
10.1134/1.1561974
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The phenomenological theory of phase transition in Pr0.6Ca0.4MnO3 manganite is developed. It is shown that this is the orbital phase transition and that the two electronic states of the manganese ion, which are discussed in the literature, result from two different types of condensation of the same orbital order parameter. Thus, the manganese ions in Pr1-xCaxMnO3 manganites with 0.3less than or equal toxless than or equal to0.5 may be in either of the two electronic states, depending on the thermodynamic parameters. (C) 2003 MAIK "Nauka/Interperiodica".
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页码：15 / 19
页数：5
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