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Phys. Rev. Lett. 72, 1553–1556 (1994)

[Issue 10 – 7 March 1994 ]

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Two oscillatory behaviors as functions of ferromagnetic layer thickness in Fe/Cr(100) multilayers

S. N. Okuno and K. Inomata

Toshiba Corporation, Research and Development Center, Kawasaki 210, Japan

Oscillatory magnetoresistance as a function of the Fe layer thickness has been found in Fe/Cr(100) multilayers deposited on MgO(100). It is mainly attributed to an oscillatory interlayer exchange coupling between adjacent Fe layers as a function of the Fe layer thickness. Further, oscillatory variation of the saturation resistivity with Fe layer thickness was also observed. Both the oscillation periods are approximately 8 Å. These two oscillations can be understood in terms of the partial confinement of the perpendicular motion to the layer plane of Fe majority spin electrons.

©1994 The American Physical Society

URL: http://link.aps.org/abstract/PRL/v72/p1553
DOI: 10.1103/PhysRevLett.72.1553
PACS: 75.50.Rr, 73.20.Dx, 75.30.Et

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