NDLI: X-ray absorption spectroscopy and valence band photoemission spectroscopy investigations of the Ge(111) surface above the 1050 K high-temperature phase transition

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X-ray absorption spectroscopy and valence band photoemission spectroscopy investigations of the Ge(111) surface above the 1050 K high-temperature phase transition

Content Provider	Scilit
Author	Paolicelli, Guido Dhanak, V. R. Goldoni, Andrea Modesti, S. Sancrotti, M. Santoni, A.
Copyright Year	1997
Description	Journal: Journal of Physics: Condensed Matter The Ge(111) surface has been investigated as the temperature was varied in the 300 K - 1150 K range by valence band (VB) photoemission spectroscopy and x-ray absorption spectroscopy above the Ge 3d edge. VB photoemission shows that the high-temperature surface has a metallic character and that at temperatures above the 1050 K high-temperature phase transition a clear change of the surface electronic structure occurs. Metallicity at high temperature was also detected by absorption spectroscopy which shows the presence of a well-defined Fermi edge at an energy value consistent with earlier core photoemission results. From absorption data and numerical simulations the width of the Ge(111) surface conduction band was found to be 1.1 eV.
Related Links	http://iopscience.iop.org/article/10.1088/0953-8984/9/9/010/pdf
Ending Page	1966
Page Count	8
Starting Page	1959
ISSN	09538984
e-ISSN	1361648X
DOI	10.1088/0953-8984/9/9/010
Journal	Journal of Physics: Condensed Matter
Issue Number	9
Volume Number	9
Language	English
Publisher	IOP Publishing
Publisher Date	1997-03-03
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics: Condensed Matter Applied Physics Numerical Simulation Electronic Structure Absorption Spectroscopy X Ray Absorption Spectroscopy Photoemission Spectroscopy Valence Band Phase Transition
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Materials Science

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