A 1st Order Transition in ErNi2B2C

The weak ferromagnetic (WFM) transition observed in ErNi2B2C is believed to be of 2nd order because a corresponding anomaly is observed in the temperature dependence of the specific heat. Our detailed neutron diffraction measurements reveal, however, that the temperature dependence of the WFM order...

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Hauptverfasser: Ishida, Y, Nagata, T, Kawano-Furukawa, H, Yoshizawa, H, Takeya, H
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Nagata, T
Kawano-Furukawa, H
Yoshizawa, H
Takeya, H
description The weak ferromagnetic (WFM) transition observed in ErNi2B2C is believed to be of 2nd order because a corresponding anomaly is observed in the temperature dependence of the specific heat. Our detailed neutron diffraction measurements reveal, however, that the temperature dependence of the WFM order parameter shows a clear hysteresis near the WFM transition temperature, indicating that a 1st order process may also be involved in this transition.
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title A 1st Order Transition in ErNi2B2C
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