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Experimental evidence for electron channeling in Fe /Aau (100) superlattices
D T Dekadjevi1, P A Ryan, B J Hickey
1Department of Physics and Astronomy, E. C. Stoner Laboratory, University of Leeds, Leeds LS2 9JT, United Kingdom.
Physical Review Letters
|June 21, 2001
Abstract:
We present transport and structural data from epitaxial (100) and (111) Au/Fe superlattices grown by molecular beam epitaxy. From their analysis, we conclude that an electron channeling mechanism, due to strong specular reflection of the minority spin carrier at the Au/Fe interfaces, is responsible for the high conductivity in the (100) superlattices.