File Name : s1.tif

Caption : fig. s1 n2 adsorption-desorption isotherms spectrum of zn0.5ni0.5fe2o4-s, n-go.

File Name : s2.tif

Caption : fig. s2 the magnetization curves of zn0.5ni0.5fe2o4 (1) and zn0.5ni0.5fe2o4-s, n-go (2).

File Name : s3.tif

Caption : fig. s3 the zeta potentials of dtc-chm-go.