Synthesis and structure of (Ca,Sr)-substituted lanthanum manganite

被引：3
|
作者：
Slobodin, BV [1 ]
Vladimirova, EV [1 ]
Petukhov, SL [1 ]
Surat, LL [1 ]
Leonidov, IA [1 ]
机构：
[1] Russian Acad Sci, Inst Solid State Chem, Ural Div, Ekaterinburg 620219, Russia
来源：
INORGANIC MATERIALS | 2005年 / 41卷 / 08期
关键词：
D O I：
10.1007/s10789-005-0228-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The phase composition and structure of equilibrium LaMnO3-CaMnO3-SrMnO3 samples prepared at 1500 degrees C in air are investigated. The results demonstrate that the system contains a broad region of La1-x(Ca1-ySry)(x)MnO3 perovskite-like solid solutions in which calcium and strontium cations substitute for lanthanum. The solid solutions have an orthorhombic (Pnma), rhombohedral (R (3) over barc), or tetragonal (I4/mcm) structure, depending on the A-site cation composition and the nature of lattice distortions. The composition regions of these structures and two-phase regions are mapped out in the LaMnO3-CaMnO3-SrMnO3 phase diagram.
引用
收藏
页码：869 / 875
页数：7
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