[1] M.N.Baibich, J.M.Broto, A.Pert, F.Nguyen Van Dan, F.Petroff, P.Etienne, A.Friederich and J.Chazelas: Phys. Rev. Lett., 1988, 61, 2472. [2] G.Binash, P.Grunberg, F.Saurenbach and W.Zinn: Phys. Bev., 1989, B39, 4828. [3] T.T.McGuire and R.I.Potter: IEEE Trans. Magn., 1975, 11, 1018. [4] V.Vedyaev, N.Ryzhanova, C.Lacroix, L.Giacomoni and B.Dieny: Europhys. Lett., 1997, 39, 219. [5] S.Zhang and P.M.Levy: Phys. Rev. Lett., 1998, 81, 5660. [6] W.Zhang, B.Li and Y.Li: Phys. Rev., 1998, B58, 14959. [7] J.J.Sun and P.P.Freitas: J. Appl. Phys., 1999, 85, 5264. [8] J.S.Moodera, J.Nowak, L.R.Kinder, P.M.Tedrow, R.J.M.van de Veerdonk, A.Smits, M.van Kampen, H.J.M.Swagten and W.J.M.de Jonge: Phys. Rev. Lett., 1999, 83, 3029. [9] P.LeClair, H.J.M.Swagten, J.T.Kohlhepp, R.J.M.van de Veerdonk and W.J.M.de Jonge: Phys. Rev. Lett., 2000, 84, 2933. |