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Publication
IEEE Transactions on Magnetics
Paper
Exchange coupling of contacted ferromagnetic films: Fe on amorphous TbFe
Abstract
A double layer structure consisting of Fe on amorphous Tb 20 Fe 80 has been investigated with spin-polarized photoemission as function of the thickness of the Fe film. For 40 A no exchange coupling to the underlaying TbFe is observed whereas at 30 A and less the TbFe magnetization affects significantly the magnetization of the Fe over-layer. Even for a 10-A Fe film the vast majority of the photoelectrons is shown to originate from this layer. © 1988 IEEE