$Charge disproportionation in the spin-liquid candidate κ-(ET)_{2}Cu_{2}(CN)_{3} at 6 K revealed by ^{63}Cu NQR measurements$

Charge disproportionation in the spin-liquid candidate κ-(ET)_{2}Cu_{2}(CN)_{3} at 6 K revealed by ^{63}Cu NQR measurements

The spin-liquid candidate κ-(ET)_{2}Cu_{2}(CN)_{3} [ET: bis(ethylenedithio)tetrathiafulvalene] does not exhibit magnetic ordering down to a very low temperature, but shows a mysterious anomaly at 6 K. The origin of the so-called 6-K anomaly is still under debate. We carried out nuclear quadrupole re...

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Bibliographic Details
Main Authors:	T. Kobayashi, Q.-P. Ding, H. Taniguchi, K. Satoh, A. Kawamoto, Y. Furukawa
Format:	Article
Language:	English
Published:	American Physical Society 2020-10-01
Series:	Physical Review Research
Online Access:	http://doi.org/10.1103/PhysRevResearch.2.042023

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