Canted Eu magnetic structure in EuMnSb2

被引：26

作者：

Gong, Dongliang ^{[1
]}

Huang, Silu ^{[1
]}

Ye, Feng ^{[2
]}

Gui, Xin ^{[3
]}

Zhang, Jiandi ^{[1
]}

Xie, Weiwei ^{[3
]}

Jin, Rongying ^{[1
]}

机构：

[1] Louisiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA

[2] Oak Ridge Natl Lab, Neutron Scattering Div, POB 2009, Oak Ridge, TN 37831 USA

[3] Louisiana State Univ, Dept Chem, Baton Rouge, LA 70803 USA

来源：

PHYSICAL REVIEW B | 2020年 / 101卷 / 22期

关键词：

SR1-YMN1-ZSB2; Y; RESISTIVITY;

D O I：

10.1103/PhysRevB.101.224422

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Magnetic ordering breaks the time-reversal symmetry, greatly impacting material topological properties. We report the investigation of the magnetic properties of the layered EuMnSb2, which has two sets of magnetic sublattices. Both the magnetization and electrical resistivity reveal two phase transitions with one at T-N,T-EU similar to 21 K and the other at T-N,(Mn) similar to 346 K. Single crystal neutron diffraction refinement indicates that both transitions are originated from magnetic ordering. Below T-N,T-Mn, the Mn sublattice forms the C-type antiferromagnetic (AFM) structure with moments [(4.5 +/- 0.6)mu(B) at 7 K] pointing along the a axis. Below T-N,T-EU, the Eu sublattice forms the canted A-type AFM structure with moments [(5.9 +/- 0.8)mu(B) at 7 K] lying in the ac plane but pointing (41 +/- 1)degrees away from the a axis. Quantitative analysis indicates that the spin-spin correlation length, while anisotropic, has long-range characteristic in all directions for both the Eu and Mn sublattices.

引用

页数：7

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