Effect of Fe cap layers on the spin density waves in epitaxial Cr(001) films
- Experimentalphysik/Festkoerperphysik, Ruhr-Universitaet Bochum, 44780 Bochum (Germany)
- National Institute of Standards and Technology, Gaithersburg, Maryland 20899 (United States)
- Missouri University Research Reactor, Columbia, Missouri 65211 (United States)
We have investigated proximity effects of Fe layers on the spin density waves (SDW) and the concomitant charge density waves or strain waves in thin epitaxial Cr[001] films using synchrotron and neutron scattering. Unlike in bulk Cr we observe a strong anisotropic occupation of the three possible SDWs with their wave vectors {bold Q} pointing along the {l_brace}001{r_brace} directions. In a pure 3000 {Angstrom} thick Cr[001] film, the SDW exhibits an almost complete out-of-plane orientation, whereas in a Cr film of the same thickness capped by a 20 {Angstrom} Fe layer the SDW becomes completely reoriented with {bold Q} now propagating in the plane. This SDW is preserved over the entire temperature range from 10 K up to the N{acute e}el temperature of about 311 K. {copyright} {ital 1997 American Institute of Physics.}
- OSTI ID:
- 496570
- Report Number(s):
- CONF-961141--
- Journal Information:
- Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 8 Vol. 81; ISSN JAPIAU; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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