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Evidence for polarised boron in Co-B and Fe-B alloys

By Y B Xu, D Greig, E A Seddon, S Cornelius and J A D Matthew

Abstract

By exploiting the tunability of synchrotron radiation in measurements of spin-resolved photoemission it has proved possible to obtain information on the polarisation of the valence electrons of Co-B and Fe-B amorphous magnetic alloys, Both the spin-integrated and spin-resolved energy distribution curves show a marked dependence on photon energy indicating that the p states of boron hybridise with the d states of the transition metals giving rise to mixed states in the binding energy range 1 to 5 eV, The observed polarisation and spin-resolved densities of states imply that in the above restricted energy range there is a net negative polarisation of the boron states

Year: 1999
DOI identifier: 10.1109/20.800546
OAI identifier: oai:eprints.whiterose.ac.uk:1841

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