Anisotropic Ru3+ 4d5 magnetism in the α-RuCl3 honeycomb system: Susceptibility, specific heat, and zero-field NMR
By M. Majumder, M. Schmidt, H. Rosner, A. Tsirlin, H. Yasuoka, M. Baenitz. 2014
149 citations recorded by the source corpus.
Hexagonal $\ensuremath{\alpha}$-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 ${T}_{1}=14\phantom{\rule{0.28em}{0ex}}\mathrm{K}$ and ${T}_{2}=8\phantom{\rule{0.28em}{0ex}}\mathrm{K}$ could be completely suppressed, whereas in the perpendicular direction the magnetic order is robust. Furthermore, the field dependence of $\ensuremath{\chi}(\mathrm{T})$ implies coexisting ferro- and antiferromagnetic exchange between in-plane components of ${\text{Ru}}^{3+}$ spins, whereas for out-of-plane components a strong antiferromagnetic exchange becomes evident. $^{101}\mathrm{Ru}$ zero-field nuclear magnetic resonance in the ordered state evidence a complex (probably noncoplanar chiral) long-range magnetic structure. The large orbital moment on ${\mathrm{Ru}}^{3+}$ is found in density-functional calculations.
Subfields: Condensed Matter Physics, Electronic, Optical and Magnetic Materials
View Paper: https://www.semanticscholar.org/paper/1d48de47c7cfbc161bb9ca493be005fafe010d2e
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In Condensed Matter Physics
In Electronic, Optical and Magnetic Materials
Citations in the corpus
- Kitaev materials (2017, background): “In exploring the magnetism of α-RuCl3, susceptibility measurements on powder samples [118, 119] indicate a Curie-Weiss temperature of around 23 − 40 K consistent with single-crystal measurements [123] of the in-plane susceptibility yielding a value of ΘCW = 37 K, while the out-of-plane susceptibilit”
- Crystal and Magnetic Structures in Layered, Transition Metal Dihalides and Trihalides (2017, background): “7 μB and θ =−150 K with the field applied perpendicular to the layers [143].”