Auger/LEED linear heating study of Sn and S bulk‐to‐surface diffusion in a Cu(111)(Sn, S) single crystal | Zendy

Viljoen E. C. | Zendy; Du Plessis J. | Zendy

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Auger/LEED linear heating study of Sn and S bulk‐to‐surface diffusion in a Cu(111)(Sn, S) single crystal

Author(s) -

Viljoen E. C.,

Du Plessis J.

Publication year - 1995

Publication title -

surface and interface analysis

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.52

H-Index - 90

eISSN - 1096-9918

pISSN - 0142-2421

DOI - 10.1002/sia.740230211

Subject(s) - auger , auger electron spectroscopy , chemistry , single crystal , diffusion , analytical chemistry (journal) , activation energy , surface (topology) , surface diffusion , atomic physics , thermodynamics , crystallography , physics , nuclear physics , adsorption , geometry , mathematics , chromatography

The novel technique of linearly heating a sample to obtain both the pre‐exponential factor D 0 and the activation energy E from a single run is applied to the Cu(111)(Sn, S) system. Using Auger electron spectroscopy the surface enrichment is measured as a function of time (temperature) and fitted with an integral expression containing the fit parameters D 0 and E . The fit values at all heating rates agree excellently with published, our own experimental and conventional t 1/2 values after temperature corrections.

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