Neutron powder diffraction studies of magnetic structure of Ho<sub>2</sub>Fe<sub>17</sub> series compounds

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Neutron powder diffraction studies of magnetic structure of Ho₂Fe₁₇ series compounds

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- Neutron powder diffraction studies of magnetic structure of Ho₂Fe₁₇ series compounds
- NUCLEAR TECHNIQUES Issue 8, (1996)
- 作者机构：
  
  1. 中国原子能科学研究院
  2. 中国科学院物理研究所
  3. 中国原子能科学研究院中国科学院物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： O571.56
- Published：01 August 1996
- 稿件说明：
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[1]陈东风,勾成,孙凯,严启伟,张泮霖,沈保根,宫华扬.用中子粉末衍射方法研究Ho_2Fe_（17）系列化合物的磁结构[J].核技术,1996(08):473-478.

Neutron powder diffraction studies of magnetic structure of Ho₂Fe₁₇ series compounds[J]. Nuclear techniques, 1996, (8).
[1]陈东风,勾成,孙凯,严启伟,张泮霖,沈保根,宫华扬.用中子粉末衍射方法研究Ho_2Fe_（17）系列化合物的磁结构[J].核技术,1996(08):473-478. DOI：

Neutron powder diffraction studies of magnetic structure of Ho₂Fe₁₇ series compounds[J]. Nuclear techniques, 1996, (8). DOI：

摘要

在中子三轴谱仪上用中子粉末衍射方法测定了室温下样品Ａ（Ｈｏ２Ｆｅ１３Ａｌ４Ｃ）、Ｂ（Ｈｏ２Ｆｅ１３Ｇａ４Ｃ２）、Ｃ（Ｈｏ２Ｆｅ９Ｇａ４Ａｌ４）和Ｄ（Ｈｏ２Ｆｅ９Ｇａ６Ａｌ２）的晶体结构和磁结构．衍射数据用Ｉｚｕｍｉ的Ｒｉｅｔｖｅｌｄ分析程序ＲＩＥＴＡＮ进行轮廓精修处理，确定了替代原子Ｇａ、Ａｌ和间隙原子Ｃ的占位及占位数以及磁性原子Ｈｏ、Ｆｅ的原子磁矩的大小和方向．样品Ａ、Ｂ和Ｄ显亚铁磁性，Ｃ显顺磁性，其中Ｄ是单轴各向异性的．并给出样品的居里温度．

Abstract

The crystallographic and magnetic stricture of Ho2Fe13A14C

Ho2Fe13Ga4C2

Ho2Fe9Ga4Al4 and Ho2Fe9Ga6Al2 has been studied with a neutron triple-axis spectrometer at room temperature. The atomic fractional occupancies of Ga

Al and C as well as the atomic magnetic moments of Ho and Fe were obtained by the Rietveld analysis program. The magnetic structure of Ho2Fe9Ga6Al2 shows an easy-axis anisotropy

with the Fe magnetic moment being ferrimagnetically coupled to those of Ho. The Curie temperature of each sample was also determined.

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Related Author

杨金波

崔波

杨应昌

杨继廉

孙凯

勾成

Chen Dongfeng Gou Cheng Sun Kai Yang Jilian

DENG Rongbing

Related Institution

China Institute of Atomic Energy, Beijing 102413) Yang Yingchang Cui Bo Yang Jinbo

北京大学

中国原子能科学研究院北京大学

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Jiading Campus

University of Chinese Academy of Sciences

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Neutron powder diffraction studies of magnetic structure of Ho2Fe17 series compounds

DOI：

摘要

Abstract

关键词

Keywords

references

Neutron powder diffraction studies of magnetic structure of Ho₂Fe₁₇ series compounds