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Lithium monolayers on single crystal C(100) oxygen-terminated diamond

Published online by Cambridge University Press:  22 March 2011

Tomas L. Martin ,
Kane M. O’Donnell ,
Hidetsugu Shiozawa ,
Cristina E. Giusca ,
Neil A. Fox ,
S. Ravi P. Silva  and
David Cherns
Tomas L. Martin
Affiliation:
School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS H.H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol, BS8 1TL
Kane M. O’Donnell
Affiliation:
Centre for Nanoscience and Quantum Information, University of Bristol, Tyndall Avenue, Bristol, BS8 1FD
Hidetsugu Shiozawa
Affiliation:
Advanced Technology Institute, The University of Surrey, Guildford, Surrey, GU2 1XH
Cristina E. Giusca
Affiliation:
Advanced Technology Institute, The University of Surrey, Guildford, Surrey, GU2 1XH
Neil A. Fox
Affiliation:
School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS H.H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol, BS8 1TL
S. Ravi P. Silva
Affiliation:
Advanced Technology Institute, The University of Surrey, Guildford, Surrey, GU2 1XH
David Cherns
Affiliation:
H.H. Wills Physics Laboratory, University of Bristol, Tyndall Avenue, Bristol, BS8 1TL
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Abstract

Thin lithium layers on oxygenated C(100) boron-doped diamond have been observed using x-ray photoemission spectroscopy. Conductive boron-doped diamond was oxygen-terminated using an ozone cleaner. Lithium was evaporated onto the oxygen-terminated C(100) surface and an as-grown hydrogen terminated surface to a thickness of approximately 50 nm. After washing with deionised water, significant lithium signal is still detected on oxygenated diamond, but not on hydrogenated diamond, indicating a strongly bound lithium-oxygen surface layer is formed, as predicted by recent theoretical modeling.

Keywords

x-ray photoelectron spectroscopy (XPS)diamondsurface chemistry
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1282: Symposium A – Diamond Electronics and Bioelectronics—Fundamentals to Applications IV , 2011 , mrsf10-1282-a06-03
Copyright
Copyright © Materials Research Society 2011

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References

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