Structural and magnetic phase transitions in La0.9Sr0.1MnO3 |
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| Authors: | V S Gaviko V E Arkhipov A V Korolev V E Naish Ya M Mukovskii |
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| Institution: | (1) Institute of Metal Physics, Urals Branch of the Russian Academy of Sciences, 620219 Ekaterinburg, Russia;(2) Moscow Institute of Steels and Alloys, 117936 Moscow, Russia |
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| Abstract: | A study is made of phase transitions in doped La0.9Sr0.1MnO3 compounds using combined x-ray, electrical, and magnetic measurements. Structural phase transitions are observed accompanied
by a change in the cell volume at temperatures of 100–110 K and 300–340 K. These structural changes are found to be related
to different contributions of the rhombic Jahn-Teller Q
2 mode to the formation of the crystal lattice. The structural transition at 100–110 K is accompanied by distinctive magnetic
and electrical properties. The data are analyzed in detail.
Fiz. Tverd. Tela (St. Petersburg) 41, 1064–1069 (June 1999) |
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