Magnetization and specific heat of a UIrGe single crystal in high magnetic fields

The temperature and field dependence of the magnetization were measured on a single crystal of the antiferromagnet UIrGe in pulsed fields up to 51 T, and the specific heat in steady fields up to 18 T. At low temperatures, metamagnetic transitions are observed at critical fields Bc of 21 T and 14 T,...

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Bibliographic Details
Published in:Journal of physics. Conference series 2006-11, Vol.51 (1), p.151-154
Main Authors: Yoshii, S, Andreev, A V, Brück, E, Klaasse, J C P, Prokeš, K, Boer, F R de, Hagiwara, M, Kindo, K, Sechovský, V
Format: Article
Language:English
Subjects:
Anomalies
Antiferromagnetism
Heat
Low temperature
Magnetization
Physics
Single crystals
Specific heat
Temperature dependence
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Summary:The temperature and field dependence of the magnetization were measured on a single crystal of the antiferromagnet UIrGe in pulsed fields up to 51 T, and the specific heat in steady fields up to 18 T. At low temperatures, metamagnetic transitions are observed at critical fields Bc of 21 T and 14 T, applied along the b- and the c-axis, respectively. At 2 K, the magnetization jumps at Bc are 0.36 μB/U along the b-axis and 0.28 μB/U along the c-axis. The a-axis is the hardest magnetization direction with a weak linear magnetic response. Both along the b- and the c-axis, Bcdecreases with increasing temperature. Consistent with the magnetization, the sharp anomalies observed in the specific-heat obey the same dependence.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/51/1/034