Magneto-optical Kerr spectroscopy of a new chemically ordered alloy:Pt
- 11 October 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 71 (15) , 2493-2496
- https://doi.org/10.1103/physrevlett.71.2493
Abstract
The sensitivity of magneto-optical spectra to alloy chemical ordering is established. This is demonstrated for a new ordered Pt phase, which was synthesized in thin film form using molecular beam epitaxial growth. This compound consists of alternating planes of Co and CoPt atoms with a hexagonal ABAB. . . layer sequence. The chemical ordering is accompanied by a substantial electronic structure change as reflected in a new peak in magneto-optical spectra at ∼3.2 eV photon energy.
Keywords
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