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Mössbauer study on the magnetic field-induced insulator-to-metal transition in perovskite Eu0.6Sr0.4MnO3

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Abstract

We have investigated the spin dynamics of a distorted perovskite Eu0.6Sr0.4MnO3 by means of Mössbauer spectroscopy. Below 70 K the exchange interaction grows gradually, and below 42 K the spins turn into a cluster glass state. The magnetic field-induced insulator-to-metal (IM) transition at low temperature is a transition from cluster glass to ferromagnet. The induced metallic phase seems to be still in non-uniform electronic state. On the other hand, at 80 K, just above T c of the induced ferromagnet, a metamagnetic transition was observed.

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Correspondence to Shin Nakamura.

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Nakamura, S., Sato, M., Morimoto, S. et al. Mössbauer study on the magnetic field-induced insulator-to-metal transition in perovskite Eu0.6Sr0.4MnO3 . Hyperfine Interact 169, 1235–1240 (2006). https://doi.org/10.1007/s10751-006-9430-2

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  • DOI: https://doi.org/10.1007/s10751-006-9430-2

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