Physics – Condensed Matter – Materials Science
Scientific paper
2003-03-11
J. Magn. Magn. Mater. 258-259 (2003), pp. 507-509
Physics
Condensed Matter
Materials Science
Presented at the Second Moscow International Symposium on Magnetism (Moscow-2002)
Scientific paper
10.1016/S0304-8853(02)01126-5
Magnetic properties of a polycrystalline alloy Ni$_{2.19}$Mn$_{0.81}$Ga, which undergoes a first-order magnetostructural phase transition from cubic paramagnetic to tetragonal ferromagnetic phase, are studied. Hysteretic behavior of isothermal magnetization $M(H)$ has been observed in a temperature interval of the magnetostructural transition in magnetic fields from 20 to 100 kOe. Temperature dependencies of magnetization $M$, measured in magnetic fields $H = 400$ and 60 kOe, indicate that the temperature of the magnetostructural transition increases with increasing magnetic field.
Filippov D. A.
Khovailo V. V.
Koledov V. V.
Krasnoperov E. P.
Levitin R. Z.
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