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2000 | 97 | 3 | 599-602
Article title

Magnetoelastic Anomalies and Suppression of Jahn-Teller Distortions in La_{1-x}Sr_{x}MnO_{3} by Pulsed Magnetic Fields

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EN
Abstracts
EN
Thermal expansion Δl/l(T) and magnetostriction λ_{∥, ⊥ }(H,T) in the pulsed magnetic fields H up to 250 kOe were studied in the single La_{1-x}Sr_{x}MnO_{3} crystals (x=0.1, 0 .125, and 0.15) at temperatures T=10-320 K. Anomalies in the Δl/l (T) curves were observed near a charge (polaron) ordering (T_{p}) and structural transitions between orthorhombic Jahn-Teller distorted O' phase and high temperature orthorhombic (pseudocubic) O^{*} one (T'_{s}). A noticeable increase in the field-induced magnetostriction λ_{∥, ⊥ }(H) was revealed in the O' phase at T_{p}
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EN
Contributors
author
  • Moscow State University, Leninskie Gori, 119899 Moscow, Russia
author
  • Moscow State University, Leninskie Gori, 119899 Moscow, Russia
author
  • Moscow State University, Leninskie Gori, 119899 Moscow, Russia
author
  • Moscow State University, Leninskie Gori, 119899 Moscow, Russia
author
  • General Physics Institute of the RAS, 38 Vavilov St., 117942 Moscow, Russia
author
  • General Physics Institute of the RAS, 38 Vavilov St., 117942 Moscow, Russia
author
  • Moscow Power Engineering Inst., 14 Krasnokazarmen St., 105835 Moscow, Russia
References
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Publication order reference
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bwmeta1.element.bwnjournal-article-appv97z359kz
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