Structure and temperature dependence of the magnetization of the DyFe11Ti nanocrystalline compoundстатья
Информация о цитировании статьи получена из
Web of Science ,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Korznikova G.F. ,
Mulyukov Kh Ya ,
Sharipov I.Z. ,
Nikitin S.A. ,
Tereshina I.S.
Журнал:
Physics of the Solid State
Том:
44
Номер:
9
Год издания:
2002
Издательство:
Pleiades Publishing, Ltd
Местоположение издательства:
Road Town, United Kingdom
Первая страница:
1723
Последняя страница:
1726
DOI:
10.1134/1.1507256
Аннотация:
The coercive force, the temperature dependence of the magnetization, and the structure of a DyFeTi alloy based on the DyFe11Ti compound with an excess content of α-Fe in the initial coarse-grained, nanocrystalline, and submicrocrystalline states are investigated experimentally. It is found that, in the submicrocrystalline sample, the coercive force is three times stronger and the temperature of the first spin-reorientation transition is 20 K higher than those in the coarse-grained sample. In the nanocrystalline sample, the coercive force is five times stronger than that in the coarse-grained sample, the first spin-reorientation transition is not revealed, and the transition at the Curie temperature is smeared. It is demonstrated that the changes observed in the magnetic properties are unrelated to the phase transformations but stem from the small size of crystal grains and high imperfection of the structure. The thermal instability of the DyFe11Ti compound is observed in submicrocrystalline and nanocrystalline states. © 2002 MAIK "Nauka/Interperiodica".
Добавил в систему:
Никитин Сергей Александрович