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

A. K. Schenk; K. J. Rietwyk; A. Tadich; A. Stacey; L. Ley; C. I. Pakes

doi:10.1088/0953-8984/28/30/305001

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

A. K. Schenk
, K. J. Rietwyk
, A. Tadich
, A. Stacey
, L. Ley
, C. I. Pakes

Department of Chemistry

La Trobe University
Australian Nuclear Science and Technology Organisation
University of Melbourne
Friedrich-Alexander University Erlangen-Nürnberg

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

24 Scopus citations

Abstract

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.

Original language	English
Article number	305001
Journal	Journal of Physics Condensed Matter
Volume	28
Issue number	30
DOIs	https://doi.org/10.1088/0953-8984/28/30/305001
State	Published - 14 Jun 2016

Bibliographical note

Publisher Copyright:
© 2016 IOP Publishing Ltd.

Funding

We acknowledge financial support from the Australian Research Council. Measurements were performed at the Soft X-ray Beamline of the Australian Synchrotron, hydrogen termination was performed at the Melbourne Center for Nanofabrication (MCN).

Funders
Australian Research Council

Keywords

diamond (1 0 0) surface
hydrogen-terminated diamond
photoelectron spectroscopy

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10.1088/0953-8984/28/30/305001

Cite this

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abstract = "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.",

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AU - Schenk, A. K.

AU - Rietwyk, K. J.

AU - Tadich, A.

AU - Stacey, A.

AU - Ley, L.

AU - Pakes, C. I.

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N2 - 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.

AB - 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.

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

Abstract

Bibliographical note

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Keywords

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