TY - JOUR
T1 - The interaction of platinum with GaP(110)
T2 - band bending and surface photovoltage effects
AU - Evans, D. A.
AU - Chen, T. P.
AU - Chassé, Th
AU - Horn, K.
N1 - Copyright:
Copyright 2014 Elsevier B.V., All rights reserved.
PY - 1992
Y1 - 1992
N2 - The study of metals deposited on semiconductor surfaces is important to determine the chemical and electronic properties of these interfaces. In the present study, the formation of PtGaP(110) interfaces at 150 and 300 K was monitored by core and valence level photoelectron spectroscopy using synchrotron radiation. Detailed analysis of band-bending reveals a strong surface photovoltage (SPV) effect, even at the higher temperature. The measured barrier height (φbn = 1.5 eV) is similar to values for chemically very different metal contacts on n-GaP(110). The temperature, metal coverage and photon flux dependence of the SPV is determined and interpreted in terms of calculations which consider the relevant current transport mechanism across the developing interface.
AB - The study of metals deposited on semiconductor surfaces is important to determine the chemical and electronic properties of these interfaces. In the present study, the formation of PtGaP(110) interfaces at 150 and 300 K was monitored by core and valence level photoelectron spectroscopy using synchrotron radiation. Detailed analysis of band-bending reveals a strong surface photovoltage (SPV) effect, even at the higher temperature. The measured barrier height (φbn = 1.5 eV) is similar to values for chemically very different metal contacts on n-GaP(110). The temperature, metal coverage and photon flux dependence of the SPV is determined and interpreted in terms of calculations which consider the relevant current transport mechanism across the developing interface.
UR - http://www.scopus.com/inward/record.url?scp=0000858982&partnerID=8YFLogxK
U2 - 10.1016/0169-4332(92)90240-X
DO - 10.1016/0169-4332(92)90240-X
M3 - Article
AN - SCOPUS:0000858982
SN - 0169-4332
VL - 56-58
SP - 233
EP - 241
JO - Applied Surface Science
JF - Applied Surface Science
IS - Part 1
ER -