Critical behavior in the layered organic-inorganic hybrid (CH3NH3)2CuCl4
Raoufi Tina1, 2, Ma Yinina1, 2, Sun Young1, 2, †
       

(a) Isothermal M(h) curve at TC. (b) The same plot on a log–log scale. The straight line is the linear fit of Eq. (3).