M■Ssbauer study of hydrogenation,low temperature and magnetioc field effects for amorphoud Fe90-xCoxZr10 alloys

Huang Zhigao

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M■Ssbauer study of hydrogenation,low temperature and magnetioc field effects for amorphoud Fe_90-xCo_xZr₁₀ alloys

更新时间：2021-04-09

- M■Ssbauer study of hydrogenation,low temperature and magnetioc field effects for amorphoud Fe_90-xCo_xZr₁₀ alloys
- NUCLEAR TECHNIQUES Issue 7, (1994)
- 作者机构：
  
  福建师范大学
- 作者简介：
- 基金信息：
- DOI：
  CLC： TG139.8
- Published：01 July 1994
- 稿件说明：
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[1]黄志高.富Fe非晶态Fe_（90－x）Co_xZr_（10）合金掺氢、低温和外加磁场效应的穆斯堡尔谱研究[J].核技术,1994(07):385-390.

Huang Zhigao. M■Ssbauer study of hydrogenation,low temperature and magnetioc field effects for amorphoud Fe_90-xCo_xZr₁₀ alloys[J]. Nuclear techniques, 1994, (7).
[1]黄志高.富Fe非晶态Fe_（90－x）Co_xZr_（10）合金掺氢、低温和外加磁场效应的穆斯堡尔谱研究[J].核技术,1994(07):385-390. DOI：

Huang Zhigao. M■Ssbauer study of hydrogenation,low temperature and magnetioc field effects for amorphoud Fe_90-xCo_xZr₁₀ alloys[J]. Nuclear techniques, 1994, (7). DOI：

摘要

利用穆斯堡尔谱学方法研究了非晶态Ｆｅ９０－ｘＣｏｘＺｒ１０（Ｘ＝０，４，１０，２０）合金的掺氢、低温和外加磁场的效应。结果表明，掺氢和低温作用都使样品的平均超精细场增加，但接氢使平面磁各向异性Ｐ增加．低温却使Ｐ减小；四合金的超精细场都是双峰分布．对应于铁磁和厦铁磁性耦合，掺氢和外加磁场都使反铁磁性耦合的含量减少；随着Ｃｏ含量的减少，掺氢和低温效应更为强烈，这同样被自旋波激发和平均超精细场随掺氢时间变化的差异所证实。采用“３ＤＦＭ＋ＦＳ＋ＦＳＣ”模型和磁偶极相互作用的磁各向异性模型解释了实验结果。

Abstract

Hydrogenation

low temP6rature and magnetic field effects of amorphousFad--.CoxZrlo （x=0

20） alloys are studied with Mbssbauer spectroscOPy. Theexperimental results show that hydrogenation and low temperature make thehyperfme fields of the amorphous alloys increase

but they have dtherent influenceson magnetic anisotrOPy

i.e. hydrogenation makes the plane anisottopy PY increasewhile low temperature makes it decrease. The hroerfine field distributions of fouramorphous alloys are all bloodal

which means that the coealstence Of fe￣agnoticand antiferromagnetic states

hydrogenation and eXternal magnetic field all make thepercentage of antiferromagnetic slotes decrease. Hydrog6nation and temperatureeffectS become even stronger with decreasing Co content

which is also confirmed bythe difference of the spin--wave excitation and the average hyperhae field as afunction of hydrogenation take.The ed)erimental results are explained with a"3DFM+FS+FSC" magnetic stfuctnye model and a magnetic aaisotrOPy modelresulting from a diPOle-- diPOle interaction.

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