TY - GEN AU - Mohamed Abdallah Mahmoud AU - Ebtsam Attya Elfarahaty , AU - Galila Abdallatif , AU - Mohamed Aly Ahmed , TI - Effect of rare earth substitution on the electric and magnetic properties of lithinum antimony ferrite / PY - 2007/// CY - Cairo : PB - Mohamed Abdallah Mahmoud , KW - Electric and magnetic properties KW - Ferrite KW - Rare earth N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Science - Department Of Physics; Issued also as CD N2 - In this work a series of samples were prepared by using the ceramic technique.Analar grad form oxides (BDH) were mixed in a stoichimetric ratio according to the formula ? where 0.025