The magnetic field influence on magneto structural phase transition in Ni2.19Mn0.81Ga

被引：36

作者：

Filippov, DA

Khovailo, VV

Koledov, VV

Krasnoperov, EP

Levitin, RZ

Shavrov, VG ^{[1
]}

Takagi, T

机构：

[1] Russian Acad Sci, Inst Radioengn & Elect, Moscow 103907, Russia

[2] RRC, Kurchatov Inst, Moscow 123182, Russia

[3] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119899, Russia

[4] Tohoku Univ, Inst Fluid Sci, Sendai, Miyagi 9808577, Japan

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2003年 / 258卷

关键词：

ferromagnetism; magnetostructural phase transition; hysteretic behavior; magnetization;

D O I：

10.1016/S0304-8853(02)01126-5

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic properties of a polycrystalline alloy Ni2.19Mn0.81Ga, which undergoes a first-order magneto structural 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. (C) 2002 Elsevier Science B.V. All rights reserved.

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页码：507 / 509

页数：3

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