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Title: Tailoring perpendicular magnetic coupling by XMCD

The elemental perpendicular magnetic anisotropy constants of both elements of a 20 nm bcc Co 88Mn 12 alloy film grown on MgO(001) and capped with Al, have been determined. By fitting a Stoner-Wohlfarth astroid model to the measured Co and Mn L 3 XMCD peak intensities as a function of incidence photon angle with the magnetic field applied co-axially with the photon propagation direction, the elemental perpendicular anisotropy constants were found to be –6.46 x 10 5 J/m 3 and –6.68 x 10 5 J/m 3, respectively. The modeling of the Co and Mn data both result in nearly the same anisotropy constant as expected for a single alloy film.
Authors:
ORCiD logo [1] ;  [1] ;  [1] ; ORCiD logo [2] ;  [2]
  1. Montana State Univ., Bozeman, MT (United States)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Publication Date:
Grant/Contract Number:
AC02-05CH11231
Type:
Published Article
Journal Name:
AIP Advances
Additional Journal Information:
Journal Volume: 7; Journal Issue: 5; Journal ID: ISSN 2158-3226
Publisher:
American Institute of Physics (AIP)
Research Org:
Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE
OSTI Identifier:
1349325
Alternate Identifier(s):
OSTI ID: 1409435; OSTI ID: 1421286