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Magnetic and structural transitions in La1−x Sr x MnO3: T-x phase diagram (1998)

Mukhin, A. A. ; Ivanov, V. Yu. ; Travkin, V. D. ; [weitere]

Springer

JETP letters 68 (1998), S. 356-362

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Details

ISSN: 1090-6487

Schlagwort(e): 75.30.Kz ; 61.50.Ks ; 72.20.My ; 75.50.Dd

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract The electrical conductivity, magnetic susceptibility, magnetization, and submillimeter (v=5∓20 cm−1) permittivity and dynamic conductivity of La1−x Sr x MnO3 (0≤x≤ 0.45) single crystals are investigated. The anomalies in the temperature dependences of these quantities are identified with diverse magnetic and structural phase transformations, including antiferromagnetic and ferromagnetic ordering, structural transitions between strongly distorted (Jahn-Teller) and weakly distorted (pseudocubic) orthorhombic phases, structural transitions to a rhombohedral phase and unusual transitions to a polaron-ordering state. As a result, the complete T-x phase diagram of the system La1−2x Sr x MnO3 is constructed in a wide interval of temperatures T=4.2∓1050 K and concentrations x=0−0.45.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1134/1.567873

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