ENERGETIC AND SPATIAL BONDING PROPERTIES FROM ANGULAR-DISTRIBUTIONS OF ULTRAVIOLET PHOTOELECTRONS - APPLICATION TO THE GAAS(110) SURFACE

Authors
SOLTERBECK C SCHATTKE W ZAHLMANNNOWITZKI JW GAWLIK KU KIPP L SKIBOWSKI M FADLEY CS VANHOVE MA
Citation
C. Solterbeck et al., ENERGETIC AND SPATIAL BONDING PROPERTIES FROM ANGULAR-DISTRIBUTIONS OF ULTRAVIOLET PHOTOELECTRONS - APPLICATION TO THE GAAS(110) SURFACE, Physical review letters, 79(23), 1997, pp. 4681-4684
Citations number
25
Journal title
Physical review letters → ACNP
ISSN journal
00319007
Volume
79
Issue
23
Year of publication
1997
Pages
4681 - 4684
Database
ISI
SICI code
0031-9007(1997)79:23<4681:EASBPF>2.0.ZU;2-2
Abstract
Angle-resolved ultraviolet photoemission spectra are interpreted by co mbining the energetics and spatial properties of the contributing stat es. One-step calculations are in excellent agreement with new azimutha l experimental data for GaAs(110). Strong variations caused by the dis persion of the surface bands permit an accurate mapping of the electro nic structure. The delocalization of the valence states is discussed a nalogous to photoelectron diffraction. The spatial origin of the elect rons is determined, and found to be strongly energy dependent, with uv excitation probing the bonding region.