Discovery of giant volume magnetostriction at room temperature in La(1-x)BaxMnO3 manganitesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:Giant volume magnetostriction omega is found in La(1-x)BaxMnO3 manganites attained of 4x10^(-4) in a magnetic field H=8,2 kOe near Curie point Tc. In La0.7Ba0.3MnO3 omega achieves of giant value of 2.54x10^(-4)at temperature T=300K. Volume magnetostriction and magnetoresistance exhibit similar dependence on T and H in Tc-region that is explained by the presence in these single crystals of magnetic two-phase ferromagnetic-antiferromagnetic state due to strong s-d exchange.