Synthesis and Soft Magnetic Properties of Mg-doped Ni Nanoparticles

被引：7

作者：

Yang Jing-hai ^{[1
,2
]}

Feng Bo ^{[1
]}

Liu Yang ^{[1
]}

Zhang Yong-jun ^{[1
]}

Yang Li-li ^{[1
,2
,3
]}

Wang Ya-xin ^{[1
]}

Lang Ji-hui ^{[1
]}

Wang Dan-dan ^{[1
]}

机构：

[1] Jilin Normal Univ, Inst Condensed State Phys, Siping 136000, Peoples R China

[2] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, Key Lab Excited State Proc, Changchun 130033, Peoples R China

[3] Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

来源：

CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2008年 / 24卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Mg; Ni; Nanoparticles; Soft magnetic property; Sol-gel method;

D O I：

10.1016/S1005-9040(08)60112-9

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Mg-doped Ni nanoparticles with good soft magnetic properties were prepared with the sol-gel method and were sintered at 400, 500. 600, and 900 degrees C in argon atmosphere, respectively. The structure and magnetic properties of the samples were studied by means of X-ray diffraction, TEM. and VSM magnetometers. X-Ray powder diffraction results show that Ni-Mg solid solution was formed with the single phase of face-centered cubic(fcc) structure. The particle size became larger with the increase of temperature. When the sintering temperature was 400 degrees C the particle size was 6.3 nm, whereas it was 46.2 nm at 900 degrees C. Both the saturation magnetization(M-s) and the coercivity were enhanced with the increase of the particle size. The M-s values of the samples ranged from 18.965 to 46.766 emu/g and the coercivity ranged from 1051.3568 to 9145.0848 A/m.

引用

页码：534 / 536

页数：3

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