[1] J.W.Young and J.Smit: J. Appl. Phys., 1971, 42,2344. [2] J.Smit and H.P.J.Wijin: Les Ferrites, Philips Techni-cal Library, Dunod, Paris, 1961. [3] P.V.Reddy, V.D.Reddy and D.Ravinder: Phys. Stat.Sol. (a), 1991, 127, 439. [4] P.Beuzelin, P.Feldmann and W.Simonet: IEEE Thans-actions on Magnetics, 1981, 17(6), Mag-17. [5] Kh.S.Valeev, N.G.Drozdov and A.L.Frumkin: Soviet-Phys. Tech. Phys., 1957, 2, 2341. [6] N.Rezlescu, D.Condurache, P.Petrariu and E.Luca: J.Am. Ceram Soc., 1974, (1), 40. [7] S.Phanjoubam, D.Kothari and J.S.Baijal: Phys. Stat,Sol. (a), 1989, 111, 131. [8] R.S.Patil, S.V.Kakathar, S.A.Patil, P.K.Maskar andS.R.Sawant: Phys. Stat. Sol. (a), 1991, 126, K185. [9] L.G.Van Uitert: J. Chem. Phys., 1955, 23, , 1883. [10] R.D.Waldron: Phys. Rev., 1955, 99, 1727. [11] S.Hafner: Z.Krit, 1961, 115, 331. [12] A.Mitsuishi, H.Yoshinaga and S.Fujita: Phys. Soc.Japan, 1985, 13, 1236. [13] B.J.Evans and S.T.Hafner: J. Pha. Chem. Solids,1968, 29, 1573. [14] P.Sainamthip and V.R.W.Amarakoon: J. Am. Ceram.Soc., 1988, 71, 644. [15] S.Drofenik, S.Besenicar, M.Lipmel and V.Gradasevic:Advances in Ceramics, 1985, 15, 229. [16] A.J.Pointon and R.C.Saull: J. Am. Ceram. Soc.,1969, 52, 157. [17] J.Smit and H.P.J.Wijn: Ferrites, Philips Technical Li-brary, Cleaver Press Ltd., London, 1959, 299. [18] N.Rezlescu, D.Condurache, C.Naum and E.Luca:Rev. Roumaine Phys., 1973, 18, 727. |