Cation disorder influence on magnetic and magnetoelastic properties of (TbNd)0.55Sr0.45MnO3 and (EuNd)0.55Sr0.45MnO3 manganitesстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
Аннотация:Magnetic, transport, elastic and magnetoelastic properties of Re0.55Sr0.45MnO3 ceramic with fixed carrier concentration and tolerance factor but with different cation disorder parameter sigma have been studied. A linear relation between Tc and sigma^2 was found. Increase of sigma leads to suppression of magnetoresistance and enhancement of volume change near Tc. At T>Tc sharp increase of magnetostriction and magnetization is observed at critical fied Hc, which increases with temperature rise. Hc value, defined at fixed T/Tc, decreases with sigma.