1.V.S.Veerasamy,G.A.J.Amaratunga,J.Rebertson,Journal ofNon—Crystalinesolids,164-166,1111(1993) 2.G.A.J.Amaratunga,V.S.Veersamy,C.A.Davi,Journal of Non—Crystaline Solids,164-166,11 19(1993) 3.K.W.R.Gilkes,P.H.Gaskell,1.Yuan,Journal of Non—Crystaline Solids,164-166,1107(1993) 4. D.DasguPta,FDemichelis,C.FPirri,ATagliaferre.PhysicsReview,B43,Z131(1991) 5.Shaoqi Peng,Yanxla Tao,Xuguang Huang,Journal Mtg.ofTheChlnesePhys.Socletleslstlnt.Conf.onFrotlersof Phys, to be published by World Set. Press 6. V. S. Veerasamy, G. A.J、 Amaratunga, M. I. Mime, P、Hewitt, Diamond and Related Materials, 2,782(1993) 7 D. R. Mckenzir, Y Yin, N.A.Marks, C.A.Davis, E.Kravtchinskaia, Journal of Non—Crystaline Solids, 164~166,1101(1993) |