Recent progress on magnetic-field studies on quantum-spin-liquid candidates

Ma Zhen¹, Ran Kejing¹, Wang Jinghui¹, Bao Song¹, Cai Zhengwei¹, Li Shichao¹, Wen Jinsheng^{1, 2, †}

(color online) (a) and (b) Temperature dependence of the a.c. susceptibility (χ′) for YbMgGaO₄ and YbZnGaO₄, respectively. In the insets, χ′ in an extended temperature range up to 4 K are plotted. Dashed lines indicate the Curie–Weiss fits for the 100-Hz data. From Ref. [51].