TY - GEN AU - Kasim Elsayed Abdelmagied Rady AU - Kamel Mohamed Elshokrofy , AU - Mohamed Ali Ahmed , TI - Effect of rare earth ions on the transport and magnetic properties of Ni - Na ferrite substituted by Mn Sn and Mn Ti / PY - 2008/// CY - Cairo : PB - Kasim Elsayed Abdelmagied Rady , KW - Dielectric loss KW - Rare earth ferrites KW - Substituted Ni - Zn ferrite N1 - Thesis (Ph.D.) - Cairo University - Faculty Of Science - Department Of Physics; Issued also as CD N2 - In this thesis the effect of the rare earth ions on the transport and magnetic properties of Ni - Zn ferrite substituted by Mn - Sn have been studies.Five groups of the substituted Ni - Zn ferrite have been prepared using conventional ceramic method.Temperature dependence the dielectric constant UR - http://172.23.153.220/th.pdf ER -