Ordered states of Jahn-Teller distorted MnO6 octahedra in weakly doped lanthanum-strontium manganites

被引：0
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作者：
A. V. Golenishchev-Kutuzov
V. A. Golenishchev-Kutuzov
R. I. Kalimullin
A. V. Semennikov
机构：
[1] Kazan State Power Engineering University,
来源：
Physics of the Solid State | 2015年 / 57卷
关键词：
Manganite; Colossal Magnetoresistance; Adjacent Octahedra; Order Structural Phase Transition; GOLENISHCHEV KUTUZOV;
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摘要：
This paper presents the results of investigations of the ordering of Jahn-Teller distorted MnO6 octahedra in lightly doped single crystals of the composition La1 − xSrxMnO3 (0.12 < x < 0.175) using the complex technique including measurements of elastic moduli and damping of high-frequency acoustic waves (700 MHz), electrical conductivity as a function of the temperature (100–400 K), and magnetic field (H ≤ 1.5 T). The self-organization of the orbital, magnetic, and Jahn-Teller orderings and their influence on the transport, magnetic, and structural properties of lightly doped manganites have been investigated based on the analysis of the experimental results. The decisive influence of the local and cooperative Jahn-Teller orderings on the colossal magnetoresistance effect has been established.
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页码：1633 / 1638
页数：5
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