Synthesis of high magnetization FeCo alloys prepared by a modified polyol process

被引：47

作者：

Huba, Zachary J. ^{[1
]}

Carroll, Kyler J. ^{[1
]}

Carpenter, Everett E. ^{[1
]}

机构：

[1] Virginia Commonwealth Univ, Dept Chem, Richmond, VA 23284 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2011年 / 109卷 / 07期

基金：

美国国家科学基金会;

关键词：

CHEMICAL-SYNTHESIS; PARTICLES; NANOPARTICLES; CO;

D O I：

10.1063/1.3544430

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

High magnetization, soft ferromagnetic FeCo alloy nanoparticles were synthesized at various Fe to Co ratios using a modified polyol process. Transmission electron microscopy images revealed that Fe-rich particles had a cubic shape with a mean particle size of 100 nm, while Co-rich particles had a spherical shape. A maximum saturation magnetization of 212 emu/g was recorded for both Fe(60)Co(40) and Fe(75)Co(25) particles. X-ray diffraction scans at room temperature of synthesized particles were characteristic of body-centered-cubic single-phase FeCo. Variable temperature x-ray diffraction scans under N(2) gas revealed an order-disorder transition at 600 degrees C and a transition to a face-centered-cubic crystal structure at 1000 degrees C. (C) 2011 American Institute of Physics. [doi:10.1063/1.3544430]

引用

页数：3

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