Synchrotron radiation studies of the growth and beam damage of tin-phthalocyanine on GaAs(0 0 1)-1 × 6 substrates

G. Cabailh; J.w. Wells; I. T. McGovern; Alex Raymond Vearey-Roberts; A. Bushell; D. Andrew Evans

doi:10.1016/j.apsusc.2004.05.069

Synchrotron radiation studies of the growth and beam damage of tin-phthalocyanine on GaAs(0 0 1)-1 × 6 substrates

G. Cabailh, J.w. Wells, I. T. McGovern, Alex Raymond Vearey-Roberts, A. Bushell, D. Andrew Evans

Department of Physics

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

The tunability of synchrotron radiation is exploited to probe the structural properties of SnPc films deposited on a GaAs(0 0 1) surface. Soft X-ray photoelectron spectroscopy (SXPS) shows that the organic adlayer is weakly interacting with the surface and that the growth mode is Stranski–Krastanov. Near edge X-ray absorption fine structure (NEXAFS) shows that the plane of SnPc molecules in a thick adlayer is close to parallel with the substrate. High photon flux ‘beam damage’ is apparent in an increased binding energy of the Sn4d core level.

Original language	English
Pages (from-to)	144-148
Number of pages	5
Journal	Applied Surface Science
Volume	234
Issue number	1-4
Early online date	24 Jun 2004
DOIs	https://doi.org/10.1016/j.apsusc.2004.05.069
Publication status	Published - 15 Jul 2004

Keywords

Beam damage
GaAs
NEXAFS
Organic molecules
PES
Phthalocyanine
SXPS
SnPc

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title = "Synchrotron radiation studies of the growth and beam damage of tin-phthalocyanine on GaAs(0 0 1)-1 × 6 substrates",

abstract = "The tunability of synchrotron radiation is exploited to probe the structural properties of SnPc films deposited on a GaAs(0 0 1) surface. Soft X-ray photoelectron spectroscopy (SXPS) shows that the organic adlayer is weakly interacting with the surface and that the growth mode is Stranski–Krastanov. Near edge X-ray absorption fine structure (NEXAFS) shows that the plane of SnPc molecules in a thick adlayer is close to parallel with the substrate. High photon flux {\textquoteleft}beam damage{\textquoteright} is apparent in an increased binding energy of the Sn4d core level.",

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AU - Wells, J.w.

AU - McGovern, I. T.

AU - Vearey-Roberts, Alex Raymond

AU - Bushell, A.

AU - Evans, D. Andrew

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KW - Beam damage

KW - GaAs

KW - NEXAFS

KW - Organic molecules

KW - PES

KW - Phthalocyanine

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JF - Applied Surface Science

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Synchrotron radiation studies of the growth and beam damage of tin-phthalocyanine on GaAs(0 0 1)-1 × 6 substrates

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