Chen, P.Du, Y. W.Feng, D.Xing, D. Y.Zhu, J. M.2004-12-032004-12-0320012001http://hdl.handle.net/2003/97910.17877/DE290R-10803enThe American Physical SocietyPhysical Review Letters530Giant Room-Temperature Magnetoresistance in Polycrystalline Zn0.41Fe2.59O4 with alpha-Fe2O3 Grain Boundaries10.1103/PhysRevLett.87.107202article (journal)