[1]Z.Yue,W.Guo,J.Zhou,Z.Gui and L.Li:J.Magn.Magn.Mater.,2004,270,216. [2]P.Kimari,R.V.Vpdhyay and R.V.Mehta:J.Magn.Magn.Mater.,2002,252,35. [3]S.Dey and J.Ghose:Mater.Res.Bull.,2003,38,1653. [4]S.Trasatti:Electrochemistry of Novel Materials(chapter5),eds.J.Lipkowski and P.N.Ross VCH,New York,1994,274. [5]R.N.Singh,J.P.Pandey,N.K.Singh,B.Lal,P.Chartier and J.F.Koenig:Electrochim.Acta,2000,45,1911. [6]E.Rios,J.L.Gantier,G.Poillerat and P.Chartier:Elec-trochim.Acta,1998,44,1491. [7]M.A.Wassel,F.J.Zidan and M.El-Wardani:J.Serb.Chem.Soc.,1989,54(8),425. [8]V.Mucka,Radiat:Phys.Chem.,1996,48(3),309. [9]L.YiF and J.Valyon:J.Therm.Anal.,1996,46,211. [10]C.Rath,K.K.Sahn,S.Anand,S.K.Date,N.C.Mishra and R.P.Das:J.Magn.Magn.Mater.,1999,202,77. [11]J.H.Lee,D.Y.Maeng,Y.S.Kim and C.W.Won:J.Mater.Sci.Lett.,1999,18,1029. [12]S.D.Sartale and C.D.Lokhande:Mater.Chem.Phys.,2001,70,274. [13]S.A.Mazen:Mater.Chem.Phys.,2000,62,131. [14]R.P.Mahajan,K.K.Pantakar and S.A.Patil:Bull.Mater.Sci.,2000,23,273. [15]R.K.Selvan,C.O.Augustin,L.Berchmans and R.Saraswathi:Mater.Res.Bull.,2003,38,41. [16]G.A.El-Shobaky,G.A.Fagal,M.A.Ghozza and M.Mokhtar:Colloids Surf.,1998,142,17. [17]L.G.Brynowicz:Thermochim.Acta,1994,239,181. [18]A.Y.Obaid,A.O.Alyoubi,A.A.Samarkandy,S.A.Al-Thabaiti,S.S.Al-juaid,A.A.El-Bellihi and El-H.M.Difallah:J.Therm.Anal.Calorimetry,2000,61,985. [19]A.Afzal,P.K.Butt and A.Ahmed:J.Therm.Anal.,1991,37,1015. [20]G.A.M.Hussein:J.Anal.Appl.Pyrolysis,1994,29,89. [21]K.Nakamoto:Infrared Spectra of Inorganic and coordina-tion Compounds,Wiley,New York,1970,253. [22]G.A.El-Shobaky,A.N.AL-Noeimi,A.ABD El-Aal and A.M.Ghozza:Mater.Lett.,1995,2,39. [23]G.A.El-Shobaky,M.A.Shouman and M.N.Alaya:Ad-sorpt.Sci.Technol.,2000,18,243. [24]S.R.Jain,K.C.Adiga and V.R.Pai verneker:Combust.Flame,1981,40,71. [25]J.A.Dean:Lange's Hand Book of Chem.,12th ed.,McGraw-Hill,New York1979. [26]M.T.Colomer,D.A.Fumo and A.M.Segadaes:J.Mater.Chem.,1999,9,2505. [27]R.E.Vandenberghe and E.De Grave:in Mossbaur Effect Studies of Oxidic Spinels in Mossbour Spectroscopy Ap-plied to Inorg.Chem.,eds.G.J.Long and F.Grangean,Plenum Press,New York,1989,3,3. [28]S.Krupicka and P.Novak:Oxide Spinels in Feromagnetic Material,ed.,E.P.Wohlfarth,Noth Holland,Amestrdam,1982,3,ch4. |