(“Quantum criticality in an organic spin-liquid insulator κ-(BEDT-TTF)
2Cu
2(CN)
3”; Takayuki Isono, Taichi Terashima, Kazuya Miyagawa, Kazushi Kanoda &
Shinya Uji;
Nature Communications 7, Article number: 13494 (2016) , doi:
10.1038/ncomms13494)