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Synthesis and Structure of (Ca,Sr)-Substituted Lanthanum Manganite
- Source :
- Inorganic Materials. 41:869-875
- Publication Year :
- 2005
- Publisher :
- Springer Science and Business Media LLC, 2005.
-
Abstract
- The phase composition and structure of equilibrium LaMnO3-CaMnO3-SrMnO3 samples prepared at 1500°C in air are investigated. The results demonstrate that the system contains a broad region of La1 − x(Ca1 − ySry)xMnO3 perovskite-like solid solutions in which calcium and strontium cations substitute for lanthanum. The solid solutions have an orthorhombic (Pnma), rhombohedral \((R\bar 3c)\), 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.
- Subjects :
- Strontium
Materials science
General Chemical Engineering
Metals and Alloys
chemistry.chemical_element
Inorganic Chemistry
Crystallography
Tetragonal crystal system
chemistry.chemical_compound
chemistry
Lanthanum manganite
Lattice (order)
Materials Chemistry
Lanthanum
Orthorhombic crystal system
Phase diagram
Solid solution
Subjects
Details
- ISSN :
- 16083172 and 00201685
- Volume :
- 41
- Database :
- OpenAIRE
- Journal :
- Inorganic Materials
- Accession number :
- edsair.doi...........3555112ef1930b6f7cf41c0a90615db3
- Full Text :
- https://doi.org/10.1007/s10789-005-0228-4