High resolution core level spectroscopy of hydrogen-terminated (1 0 0) diamond

Synchrotron-based photoelectron spectroscopy experiments are presented that address a long standing inconsistency in the treatment of the C1s core level of hydrogen terminated (1 0 0) diamond. Through a comparison of surface and bulk sensitive measurements we show that there is a surface related cor...

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Veröffentlicht in:Journal of physics. Condensed matter 2016-08, Vol.28 (30), p.305001-305001
Hauptverfasser: Schenk, A K, Rietwyk, K J, Tadich, A, Stacey, A, Ley, L, Pakes, C I
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Sprache:eng
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Zusammenfassung:Synchrotron-based photoelectron spectroscopy experiments are presented that address a long standing inconsistency in the treatment of the C1s core level of hydrogen terminated (1 0 0) diamond. Through a comparison of surface and bulk sensitive measurements we show that there is a surface related core level component to lower binding energy of the bulk diamond component; this component has a chemical shift of −0.16±0.05 eV which has been attributed to carbon atoms which are part of the hydrogen termination. Additionally, our results indicate that the asymmetry of the hydrogen terminated (1 0 0) diamond C1s core level is an intrinsic aspect of the bulk diamond peak which we have attributed to sub-surface carbon layers.
ISSN:0953-8984
1361-648X
DOI:10.1088/0953-8984/28/30/305001