Structural and magnetic characterization of iron oxyselenides Ce 2 O 2 Fe 2 OSe 2 and Nd 2 O 2 Fe 2 OSe 2

Structural and magnetic characterization of iron oxyselenides Ce 2 O 2 Fe 2 OSe 2 and Nd 2 O 2 Fe 2 OSe 2
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铁氧硒化物 Ce 2 O 2 Fe 2 OSe 2 和 Nd 2 O 2 Fe 2 OSe 2 的结构和磁性表征

DOI:
10.1103/physrevb.90.165111
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发表时间:
2014
期刊:
影响因子:
3.7
通讯作者:
McCabe E
McCabe E
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
McCabe E

文献摘要

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本文研究了Mott绝缘硒氧化合物(Nd)的磁有序性。中子粉末衍射数据与铁亚晶格结构上的非共线多序一致,分析表明垂直于层的磁相关长度减小。研究了阳离子的磁性作用,发现磁矩在K处是有序的。
We present here an investigation of the magnetic ordering in the Mott insulating oxyselenide materials, Nd). Neutron powder diffraction data are consistent with a noncollinear multi-ordering on the iron sublattice structure and analysis indicates a reduced magnetic correlation length perpendicular to thelayers. The magnetic role of thecations is investigated andmoments are found to order atK.