Research Papers in Physics and Astronomy

 

Date of this Version

1-1-2006

Comments

Published in Materials Letters, Volume 60, Issue 2 (January 2006), pp. 236-240. Copyright © 2005 Elsevier B.V. Used by permission.
doi:10.1016/j.matlet.2005.08.039 http://elsevier.com/locate/matlet

Abstract

We identify contributions to the valence band of the nanosized BaFe12−2xCoxTixO19 barium ferrite particles, from the cobalt and titanium dopants. Resonant photoemission results show that cobalt and titanium dopants strongly hybridize with the barium ferrite matrix. Fano resonances are identified in the valence band region, at the Ba (5s), Ti (3p) and Co (3p) thresholds, and there are significant contributions to the density of states, residing within 2 eV of the Fermi level, from barium and/or iron.

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