Magnetocaloric Effect in GdMn_1-xT_xSi (T = Ti, Fe, Co) Compounds

Авторы: Nikitin S.A., Ovchenkova I.A., Blinova M.E., Tereshina I.S.
Журнал: Moscow University Physics Bulletin
Том: 77
Номер: 4
Год издания: 2022
Издательство: Allerton Press
Местоположение издательства: New York, N.Y., United States
Первая страница: 645
Последняя страница: 651
DOI: 10.3103/s0027134922040117
Аннотация: Direct measurements of the magnetocaloric effect (MCE) and calculations of the change inthe magnetic part of the entropy of a large group of GdMn1−xTxSi (T = Ti, Fe, Co) compounds witha CeFeSi-type structure have been conducted. All compounds are ordered ferro- or ferrimagnetically ina wide temperature range from 120 to 390 K. The peak MCE value (ΔTad ≈ 1.1 K when the externalmagnetic field varies from 0 to 12 kOe) is observed for the GdFeSi compound. The resulting concentrationdependences of Curie temperatures and MCE values are analyzed assuming that the magnetism of the 3dsublattice has a band character.
Добавил в систему: Овченкова Юлия Амирановна

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