Synchrotron radiation studies of the growth and beam damage of tin-phthalocyanine on GaAs(001)-1x6 substrates

The tunability of synchrotron radiation is exploited to probe the structural properties of SnPc films deposited on a GaAs(001) 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. N...

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Bibliographic Details
Main Authors: Cabailh, G, Wells, J, McGovern, I, Vearey-Roberts, A, Bushell, A, Evans, D
Format: Journal article
Language:English
Published: 2004
Description
Summary:The tunability of synchrotron radiation is exploited to probe the structural properties of SnPc films deposited on a GaAs(001) 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. © 2004 Elsevier B.V. All rights reserved.