Z Haijun, L Zhichao, Y Xi, Z Liangying… - Materials research …, 2003 - Elsevier
Ba2Zn2− xCoxFe28O46 hexaferrites with x= 2.0, 1.6, 1.2, 0.8, 0.4 and 0.0 were prepared by
citrate sol–gel process. They were characterized by X-ray powder diffraction (XRD) …