Open AccessGrowth induced magnetic and chemical anisotropy in CoPt 3 alloy films
Author(s) -
Cross J. O.,
Newville M.,
Hellman F.,
Rooney P. W.,
Shapiro A. L.,
Harris V. G.
Publication year - 2001
Publication title -
journal of synchrotron radiation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.172
H-Index - 99
ISSN - 1600-5775
DOI - 10.1107/s0909049501000309
Subject(s) - molecular beam epitaxy , anisotropy , atmospheric temperature range , magnetic anisotropy , substrate (aquarium) , materials science , epitaxy , alloy , condensed matter physics , crystallography , thin film , chemistry , optics , magnetization , nanotechnology , metallurgy , magnetic field , physics , geology , thermodynamics , oceanography , layer (electronics) , quantum mechanics
We report the results of polarized Co $K$ EXAFS experiments on a series of CoPt 3 films grown by molecular beam epitaxy on (100) MgO single crystal substrates over a range of temperatures from 473 K to 1073 K. These samples exhibit substantial perpendicular magnetic anisotropy that is strongly dependent on the substrate growth temperature T g . We measure a preference for in‐plane Co‐Co pairs that is correlated with the magnetic properties.