Overall and local distortion effects on the metal–nonmetal transitions of mixed valent perovskite type manganese oxides
- 15 September 1997
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 82 (6) , 3072-3075
- https://doi.org/10.1063/1.366257
Abstract
The metal–nonmetal (MN) transition data of mixed valent manganese oxide perovskites A1−xAx′MnO3 (A: trivalent lanthanide metals, A′: divalent metals, 0.2<x0.906 and σ≲σ=232t−202 (pm). Large t and small σ are favorable for high TMN.TMN data of A0.7Ba0.15Sr0.15MnO3 (A=La, Pr, Nd, Sm), A0.7Ba0.15Ca0.15MnO3 (A=La, Pr, Nd, Sm), (La0.7Ca0.3)x(Gd0.7Ba0.3)1−xMnO3 (x=0.1, 0.3, 0.5, 0.7, 0.9), and (Nd0.7Ca0.3)x(Gd0.7Ba0.3)1−xMnO3(x=0.25, 0.3, 0.5, 0.55, 0.7, 0.75) newly synthesized are reported.This publication has 15 references indexed in Scilit:
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