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Title: Isostructural magnetic phase transitions and the magnetocaloric effect in Ising ferromagnets
Authors: Лаванов, Геннадій Юрійович
Keywords: magnetic
Issue Date: Apr-2014
Publisher: AIP Publishing
Citation: Low Temperature Physics 40, 823 (2014); doi: 10.1063/1.4896725
Abstract: It is shown that the first-order isostructural magnetic phase transition between antiferromagnetic phases with different magnitudes of the antiferromagnetism vector induced by an external magnetic field in Ising antiferromagnets can be related to entropy. It is found that, depending on the temperature, the entropy jump and the corresponding heat release can change their signs at the phase transition point. In the low-temperature region of the metamagnetic first-order phase transition the entropy jump is positive, while the entropy jump is negative near the triple point for isostructural magnetic phase transitions.
Appears in Collections:Наукові публікації кафедри загальної фізики

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