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Magnetic order in the chemically substituted frustrated antiferromagnetCsCrF4
Physical Review B ( IF 3.2 ) Pub Date : 2020-11-24 , DOI: 10.1103/physrevb.102.174440
Shohei Hayashida , Masato Hagihala , Maxim Avdeev , Yoko Miura , Hirotaka Manaka , Takatsugu Masuda

The effect of chemical substitution on the ground state of the geometrically frustrated antiferromagnet CsCrF4 has been investigated through a neutron powder diffraction experiment. Magnetic Fe-substituted CsCr0.94Fe0.06F4 and nonmagnetic Al-substituted CsCr0.98Al0.02F4 samples are measured, and magnetic Bragg peaks are clearly observed in both samples. Magnetic structure analysis revealed a 120 structure having a magnetic propagation vector kmag=(0,0,1/2) in CsCr0.94Fe0.06F4. For CsCr0.98Al0.02F4, a quasi-120 structure having kmag=(1/2,0,1/2) is formed. It is notable that the identified magnetic structure in CsCr0.94Fe0.06F4 belongs to a different phase of ground states from those in CsCr0.98Al0.02F4 and the parent CsCrF4. These results suggest that the Fe substitution strongly influences the ground state of CsCrF4.

中文翻译:

化学取代的受阻反铁磁体CsCrF4中的磁序

化学取代对几何受挫反铁磁体基态的影响 氯化铬4已经通过中子粉末衍射实验进行了研究。磁性铁取代0.940.06F4 和非磁性铝取代 0.980.02F4测量样品,并在两个样品中清楚地观察到布拉格磁峰。磁结构分析表明120 具有磁传播矢量的结构 ķ=001个/20.940.06F4。对于0.980.02F4,准120 具有的结构 ķ=1个/201个/2形成了。值得注意的是,在0.940.06F4 属于与 0.980.02F4 和父母 氯化铬4。这些结果表明,Fe的取代强烈影响基态。氯化铬4
更新日期:2020-11-25
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