Study of the Properties of Sm–Fe–Co–Ti–H Compounds with ThMn12–Type Structure by Magnetometry, Atomic Force Microscopy and Magnetic Force Microscopy

Авторы: Kaminskaya T.P., Tereshina I.S.
Журнал: Moscow University Physics Bulletin
Том: 75
Номер: 6
Год издания: 2020
Издательство: Allerton Press
Местоположение издательства: New York, N.Y., United States
Первая страница: 629
Последняя страница: 635
DOI: 10.3103/S0027134920060107
Аннотация: The type of magnetocrystalline anisotropy (MCA) of Sm–Fe–Co–Ti alloys and their hydrides with a ThMn12-type structure has been established by magnetometry at room temperature. Using atomicforce microscopy (AFM) in combination with magnetic force microscopy (MFM), the state of their surfacewas studied. The initial SmFe11Ti and SmFe5Co6Ti samples were obtained by argon arc melting. TheSmFe11Ti alloy was subjected to a hydrogenation procedure, as a result of which the SmFe11TiH0.4 and SmFe11TiH1 samples were synthesized. Using AFM and MFM, the features of topography, defects of theinvestigated surfaces, domain structure, morphology of magnetic inclusions of the initial samples and their hydrides were established. The main magnetic characteristics of the Sm–Fe–Co–Ti–H system obtained using magnetometry have been compared with the results of MFM studies.
Добавил в систему: Терёшина Ирина Семёновна

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