Surface-sensitive Fe 2p photoemission spectra for alpha-Fe2O3(0001): The influence of symmetry and crystal-field strength - art. no. 205414

Authors
Droubay, T Chambers, SA
Citation
T. Droubay et Sa. Chambers, Surface-sensitive Fe 2p photoemission spectra for alpha-Fe2O3(0001): The influence of symmetry and crystal-field strength - art. no. 205414, PHYS REV B, 6420(20), 2001, pp. 5414
Citations number
20
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICAL REVIEW B
ISSN journal
01631829 → ACNP
Volume
6420
Issue
20
Year of publication
2001
Database
ISI
SICI code
0163-1829(20011115)6420:20<5414:SF2PSF>2.0.ZU;2-B
Abstract
We have measured high-energy-resolution Fe 2p photoelectron spectra for alp ha -Fe2O3/alpha -Al2O3(0001) grown by oxygen-plasma-assisted molecular-beam epitaxy at emission angles chosen to enhance bulk and surface contribution s. We quantitatively reproduce the subtle line-shape differences in these s pectra by taking into account the break in symmetry and change in crystal f ield splitting generated by the presence of the surface.