Seminar of International Laboratory of High Magnetic Fields and Low Temperatures PAS

14:00, 15-12-03
ul. Gajowicka 95, sala seminaryjna (nowy budynek, II piętro)

Giant volume magnetostriction in the Y2Fe17 single crystal at room temperature

A. I. Smarzhevskaya

Lomonosov Moscow State University, Physics faculty, Moscow, Russia

The results of Y2Fe17 compound investigation are presented. The magnetization, magnetostriction, and thermal expansion of Y2Fe17 single crystal were studied in our work. The forced magnetostriction and magnetostrictive constants were investigated in the temperature range of magnetic ordering close to the room temperature. The giant field induced volume magnetostriction was discovered in the room temperature region in magnetic fields up to 1.2 T. The contributions of both anisotropic single-ion and isotropic pair exchange interactions to the volume magnetostriction and magnetostrictive.

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