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Author (up) Correa V. F.; Sänger N.; Jorge G.; Nieva G.; Haberkorn N.
Title Giant magnetostructural coupling in Gd2/3Ca1/3MnO3 Type Journal Article
Year 2009 Publication Journal of Physics: Conference Series Abbreviated Journal
Volume 167 Issue Pages 012010
Abstract We report high magnetic field magnetostructural studies on Gd2/3Ca1/3MnO3

single crystals. A giant linear magnetostrictive effect is observed in a wide temperature range

(T < 120 K). Above 25 K a large hysteresis is seen reflecting the Mn magnetic moments

ordering. At lower temperature (T < 15 K), a rather complicated field dependence arising from

the competition between the Mn and Gd magnetic sublattices is observed. The relevance of the

Gd ions in the low temperature behavior is further corroborated by specific heat experiments.
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Call Number BT @ victor.correa @ Serial 593
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