Heat transport study of the spin liquid candidate 1T-TaS2

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Title
Heat transport study of the spin liquid candidate 1T-TaS2
Author(s)
Y. J. Yu; Y. Xu; Lanpo He; M. Kratochvilova; Y. Y. Huang; J. M. Ni; Lihai Wang; Sang-Wook Cheong; Je-Geun Park; S. Y. Li
Publication Date
2017-08
Journal
PHYSICAL REVIEW B, v.96, no.8, pp.081111 -
Publisher
AMER PHYSICAL SOC
Abstract
We present ultralow-temperature thermal conductivity measurements on single crystals of the prototypical charge-density-wave material 1T-TaS2, which was recently argued to be a candidate for a quantum spin liquid. Our experiments show that the residual linear term of thermal conductivity at zero field is essentially zero, within experimental accuracy. Furthermore, the thermal conductivity is found to be insensitive to the magnetic field up to 9 T. These results clearly demonstrate the absence of itinerant magnetic excitations with fermionic statistics in bulk 1T-TaS2, and thus put a strong constraint on the theories of the ground state of this material. © 2017 American Physical Society
URI
https://pr.ibs.re.kr/handle/8788114/3983
ISSN
2469-9950
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > Journal Papers (저널논문)
Files in This Item:
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