Strengthening the Interlattic Exchange Interaction in Ho(Fe,Ti)12N and Er(Fe,Ti)12N NitridesстатьяПеревод
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Дата последнего поиска статьи во внешних источниках: 11 ноября 2020 г.
Местоположение издательства:New York, N.Y., United States
Первая страница:237
Последняя страница:241
Аннотация:The field dependences of the magnetization of nitrogen-containing compounds R(Fe,Ti)12N (R = Ho and Er) are analyzed. It was found that the initial HoFe11Ti sample at T = 4.2 K exhibits the eaxy-axis anisotropy; however, as a result of nitriding, the anisotropy type changes to the easy cone of magnetization. As in the original samples of HoFe11Ti and ErFe11Ti, in HoFe11TiN and ErFe11TiN nitrides the cascade of spin-reorientation phase transitions is observed which is induced by external magnetic field. In the framework of the molecular field theory, the effect of nitriding on the interlattice exchange interactions is estimated. It is established that the molecular field that acts from the iron sublattice on rare-earth ions (holmium and erbium) is enhanced. The effect of nitriding and hydrogenation on the interlattice exchange is compared.