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23 April 2024

» arxiv » cond-mat/9908112

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ESR study in lightly doped La_(1-x)Sr_(x)MnO_(3)
V. A. Ivanshin ; J. Deisenhofer ; H.-A. Krug von Nidda ; A. Loidl ; A. A. Mukhin ; A. M. Balbashov ; M. V. Eremin ;
Date:	6 Aug 1999
Subject:	Strongly Correlated Electrons \| cond-mat.str-el
Abstract:	This is the first systematic ESR investigation of La_(1-x)Sr_(x)MnO_(3) single crystals for Sr concentrations x < 0.2. The rich phase diagram of this compound, which is dominated by the Jahn-Teller effect of Mn^(3+), is a matter of actual interest in connection with giant magnetoresistance phenomena. The ESR signal, which is due to both Mn^(3+) and Mn^(4+), directely probes the suppression of the Jahn-Teller distortion with increasing Sr concentration and reveals all characteristic structural and magnetic phase transitions.
Source:	arXiv, cond-mat/9908112
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