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Anisotropic in-plane heat transport of Kitaev magnet ${Na}_{2} {Co}_{2} {TeO}_{6}$

https://doi.org/10.1103/PhysRevB.109.024419

Guang, Shuangkui; Li, Na; Huang, Qing; Xia, Ke; Wang, Yiyan; Liang, Hui; Sun, Yan; Li, Qiuju; Zhao, Xia; Luo, Rui_Leonard; et al (January 2024, Physical Review B)
Thermal transport of fractionalized antiferromagnetic and field-induced states in the Kitaev material ${Na}_{2} {Co}_{2} {TeO}_{6}$

https://doi.org/10.1103/PhysRevB.107.184423

Guang, Shuangkui; Li, Na; Luo, Rui Leonard; Huang, Qing; Wang, Yiyan; Yue, Xiaoyue; Xia, Ke; Li, Qiuju; Zhao, Xia; Chen, Gang; et al (May 2023, Physical Review B)

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Low-temperature heat transport of the zigzag spin-chain compound SrEr ₂ O ₄

https://doi.org/10.1088/1674-1056/ac5e97

Chu, Liguo; Guang, Shuangkui; Zhou, Haidong; Zhu, Hong; Sun, Xuefeng (August 2022, Chinese Physics B)

Low-temperature thermal conductivity ( κ ), as well as the magnetic properties and specific heat, are studied for the frustrated zigzag spin-chain material SrEr 2 O 4 by using single-crystal samples. The specific heat data indicate the long-range antiferromagnetic transition at ∼ 0.73 K and the existence of strong magnetic fluctuations. The magnetizations at very low temperatures for magnetic field along the c axis (spin chain direction) or the a axis reveal the field-induced magnetic transitions. The κ shows a strong dependence on magnetic field, applied along the c axis or the a axis, which is closely related to the magnetic transitions. Furthermore, high magnetic field induces a strong increase of κ . These results indicate that thermal conductivity along either the c axis or the a axis are mainly contributed by phonons, while magnetic excitations play a role of scattering phonons.
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