Magnetostriction measurements at Pr0.65Ca0.35MnO3

We report magnetostriction measurements on Pr0.65Ca0.35MnO3 polycrystalline samples in magnetic fields up to 14T. The charge ordering occurs below TCO=230K. The application of a magnetic field causes the transition from the ordered insulator state to metallic state. It is found that this insulator-m...

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Published inPhysica. B, Condensed matter Vol. 346-347; pp. 83 - 86
Main Authors Reményi, G., Doerr, M., Loewenhaupt, M., Sahling, S., Saint-Paul, M., Lejay, P.
Format Journal Article
LanguageEnglish
Published 01.04.2004
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Summary:We report magnetostriction measurements on Pr0.65Ca0.35MnO3 polycrystalline samples in magnetic fields up to 14T. The charge ordering occurs below TCO=230K. The application of a magnetic field causes the transition from the ordered insulator state to metallic state. It is found that this insulator-metal transition is accompanied by large negative jumps in the longitudinal and transverse magnetostrictions with a temperature-dependent hysteresis. The H-T phase diagram is determined from the magnetostriction.
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ISSN:0921-4526
DOI:10.1016/j.physb.2004.01.025