Mössbauer studies of hyperfine fields in disordered Fe2CrAl

被引：0
|
作者：
N Lakshmi
K Venugopalan
J Varma
机构：
[1] Mohanlal Sukhadia University,Department of Physics
来源：
Pramana | 2002年 / 59卷
关键词：
Mössbauer spectroscopy; disordered alloy; magnetic hyperfine fields; 75.50.Bb; 61.18.Fs;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Heusler-like alloy Fe2CrAl was prepared and studied. Structure determination was done by X-ray. The structure was found to conform to the B2 type. Magnetic hyperfine fields in this sample were studied by the Mössbauer effect. The Mössbauer spectra were recorded over a range of temperature from 40 to 296 K. The Mössbauer spectra showed the co-existence of a paramagnetic part with a magnetic hyperfine portion at all recorded temperatures. Even with the distribution in the magnetic hyperfine field, the average hyperfine field follows the (T/Tc)3/2 law. The paramagnetic part of the hyperfine field is explained in terms of the clustering of Cr atoms.
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页码：531 / 537
页数：6
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