NMR evidence of charge fluctuations in multiferroic CuBr2
Wang Rui-Qi1, 2, Zheng Jia-Cheng2, Chen Tao2, Wang Peng-Shuai2, Zhang Jin-Shan3, Cui Yi2, Wang Chao4, Li Yuan4, Xu Sheng1, †, Yuan Feng1, ‡, Yu Wei-Qiang2
       

(color online) Charge (left axis) and spin (right axis) contribution to the 1 / T 1 79 T , deduced from Fig. 7 (see text).