Phys. Rev. Lett. Phys. Rev. A Phys. Rev. B Phys. Rev. C Phys. Rev. D Phys. Rev. E Phys. Rev. ST AB Rev. Mod. Phys. Phys. Rev. (Series I) Phys. Rev. Volume: Page/Article:

Phys. Rev. B 48, 4144–4147 (1993)

[Issue 6 – 1 August 1993 ]

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Magnetic structure of Fe/Cr/Fe trilayers

Y. U. Idzerda

Naval Research Laboratory, Washington, D.C. 20375

L. H. Tjeng and H.–J. Lin

AT&T Bell Laboratories, Murray Hill, New Jersey 07974

C. J. Gutierrez

Naval Research Laboratory, Washington, D.C. 20375

Department of Physics, Southwest Texas State University, San Marcos, Texas 78666

G. Meigs and C. T. Chen

AT&T Bell Laboratories, Murray Hill, New Jersey 07974

Soft x-ray magnetic circular dichroism (SXMCD) is used to determine independently the magnetic behavior of each layer of Fe/Cr/Fe trilayers deposited on GaAs(001). Submonolayer coverages of Cr on Fe(001) films are found to be ferromagnetic and antialigned to the Fe moment. Subsequent Cr deposition shows a monotonically decreasing total moment, consistent with island growth of ferromagnetic Cr sheets antialigned with adjoining Cr layers. For thin Cr interlayers, the second Fe film is antialigned with the first Fe film, but a second Fe film of less than 2-ML thickness shows no SXMCD signal.

©1993 The American Physical Society

URL: http://link.aps.org/abstract/PRB/v48/p4144
DOI: 10.1103/PhysRevB.48.4144
PACS: 75.70.Ak, 75.25.+z, 78.70.Dm

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