Anisotropic Ru3+ 4d5 magnetism in the α-RuCl3 honeycomb system: Susceptibility, specific heat, and zero-field NMR

被引：189

作者：

Majumder, M. ^{[1
]}

Schmidt, M. ^{[1
]}

Rosner, H. ^{[1
]}

Tsirlin, A. A. ^{[1
,2
]}

Yasuoka, H. ^{[1
]}

Baenitz, M. ^{[1
]}

机构：

[1] Max Plank Inst Chem Phys Solids, D-01187 Dresden, Germany

[2] NICPB, Tallinn, Estonia

来源：

PHYSICAL REVIEW B | 2015年 / 91卷 / 18期

关键词：

D O I：

10.1103/PhysRevB.91.180401

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Hexagonal alpha-Ru trichloride single crystals exhibit a strong magnetic anisotropy and we show that upon applying fields up to 14 T in the honeycomb plane the successive magnetic order at T-1 = 14 K and T-2 = 8 K could be completely suppressed, whereas in the perpendicular direction the magnetic order is robust. Furthermore, the field dependence of chi(T) implies coexisting ferro- and antiferromagnetic exchange between in-plane components of Ru3+ spins, whereas for out-of-plane components a strong antiferromagnetic exchange becomes evident. Ru-101 zero-field nuclear magnetic resonance in the ordered state evidence a complex (probably noncoplanar chiral) long-range magnetic structure. The large orbital moment on Ru3+ is found in density-functional calculations.

引用

页数：4

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