Crystal and magnetic structure of Pr2Fe14B and Dy2Fe14B

Crystal and magnetic structure of Pr2Fe14B and Dy2Fe14B
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DOI:
10.1063/1.334342
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发表时间:
1985-03
影响因子:
3.2
通讯作者:
J. Herbst;W. Yelon
J. Herbst;W. Yelon
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
J. Herbst;W. Yelon

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本文报道了Pr_2Fe_(14)B和Dy_2Fe_(14)B中子粉末衍射数据的Rietveld分析。两个相形成Nd_2Fe_(14)B四方晶系晶体结构(P42/mnm)。在77和293 K,我们的分析表明,在每个化合物的所有磁矩与c轴共线。Pr 2Fe 14 B中的稀土磁矩平行于Fe磁矩(铁磁性),而Dy 2Fe 14 B中的稀土磁矩反平行(亚铁磁性)。
Rietveld analyses of neutron powder diffraction data on Pr2Fe14B and Dy2Fe14B are reported. Both phases form the Nd2Fe14B tetragonal crystal structure (P42/mnm). At 77 and 293 K our analyses indicate that all magnetic moments in each compound are collinear with the c axis. The rare‐earth moments in Pr2Fe14B are parallel to the Fe moments (ferromagnetic) and are antiparallel in Dy2Fe14B (ferrimagnetic).