The phase diagramm of La1-xSrxMnO3 revisited
M. Paraskevopoulos, J. Hemberger, A. Loidl, A. A. Mukhin, V. Yu. Ivanov, A. M. Balbashov
Abstract
We report on detailed sucseptibility and magnetization studies in La1-xSrxMnO3 for x<=0.2. We arrive at a phase diagram which shows a ferromagnetic ground state for 0.1<=x<=0.15 followed by a canted antiferromagnetic phase at higher temperatures, not in agreement with present canonical conjectures. The phase diagram indicates the importance of structural aspects and superexchange interactions for the magnetic phases at low Sr concentrations.
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