Magnetic Phase Transitions and Magnetocaloric Effect in Gd_5Si_2-xGe_2-x(Sn, In)_2x (x=0.05)

Авторы: Smirnov A.V., Kurganskaya A.A., Ovchenkova I.A., Bogdanov A.E., Morozkin A.V., Tereshina I.S., Nikitin S.A.
Журнал: Moscow University Physics Bulletin
Том: 77
Номер: 6
Год издания: 2022
Издательство: Allerton Press
Местоположение издательства: New York, N.Y., United States
Первая страница: 825
Последняя страница: 830
DOI: 10.3103/s0027134922060121
Аннотация: Magnetization measurementsand directmethod measurementsof the magnetocaloric effectin intermetallics based on Gd5Si2Ge2 with small substitutions of silicon (Si) and germanium (Ge) atoms by tin (Sn) and indium (In) have beencarried out. It has beenfound that the introduction of Sn decreases and the introduction of In increases the magnetic ordering temperature of these intermetallics relative to the Curie temperature of the initial compound Gd5Si2Ge2. The magnitude of the magnetocaloric effect does not change noticeably with the substitutions of p-elements. The difference in the magnetic properties of the initial compound Gd5Si2Ge2 andcompoundswithsubstitutions Gd5Si2−xGe2−x(Sn, In)2x (x =0.05) is due to the electronic structure of the doping atoms and changes in the density of electronic states at the Fermi level.
Добавил в систему: Овченкова Юлия Амирановна

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