摘要 :
We present a study of the magnetic properties of Gd_(2/3)Ca_(1/3)MnO_3 single crystals at low temperatures, showing that this material behaves as an inhomogeneous ferrimagnet. In addition to small saturation magnetization at 5 K, ...
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We present a study of the magnetic properties of Gd_(2/3)Ca_(1/3)MnO_3 single crystals at low temperatures, showing that this material behaves as an inhomogeneous ferrimagnet. In addition to small saturation magnetization at 5 K, we have found history dependent effects in the magnetization and the presence of exchange bias. These features are compatible with microscopic phase separation in the clean Gd_(2/3)Ca_(1/3) MnO_3 system studied.
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