Nonuniform Magnetic States and Electrical Properties of SmXMn1-XS Solid Solutions

被引：3

作者：

Aplesnin, S. S. ^{[1
]}

Har'kov, A. M. ^{[1
]}

Eremin, E. V. ^{[2
]}

Romanova, O. B. ^{[2
]}

Balaev, D. A. ^{[2
]}

Sokolov, V. V. ^{[3
]}

Pichugin, A. Yu. ^{[3
]}

机构：

[1] MF Reshetneva Aircosm Siberian State Univ, Krasnoyarsk 660014, Russia

[2] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia

[3] Russian Acad Sci, Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia

来源：

IEEE TRANSACTIONS ON MAGNETICS | 2011年 / 47卷 / 10期

基金：

俄罗斯基础研究基金会;

关键词：

Conductivity; magnetic semiconductors; magnetization processes;

D O I：

10.1109/TMAG.2011.2160715

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The real and imaginary parts of magnetic permeability at the three frequencies 100 Hz, 1 kHz and 10 kHz and magnetic moment in magnetic field H = 0.05 T in the SmXMn1-XS(0.1 <= X <= 0.25) solid solutions at the temperatures 5 K-300 K were measured. Magnetization curves were measured in the range of fields -9 T < H < 9 T at the temperatures T = 5 K, 50 K. Non-linear behavior of the magnetization versus field, residual magnetic moment, logarithmic dependence of imaginary parts of the magnetic permeability maximum on frequency and sharp drop of Im(mu) at T < 40 K for compound Sm0.25Mn0.75 S were found. The electrical resistivity of the SmXMn1-X S(0.5 < x < 0.25) solid solution in the range of temperatures 80 K-300 K were measured. Minimum and maximum in the temperature dependence of the resistivity were found respectively at T = 220 K for X = 0.15 and at T = 100 K for X = 0.2 compounds. This behavior is explained a result of the mobility edge movement and the disorder of the deformation and spin density fluctuations with short-range order.

引用

页码：4413 / 4416

页数：4

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