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Chemistry and the Electronic Properties of Diamond Surfaces

Published online by Cambridge University Press:  10 February 2011

Pehr E. Pehrsson
Pehr E. Pehrsson*
Affiliation:
*Code 6174, Chemistry Division, Naval Research Laboratory, Washington, D.C. 20375-5342
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Abstract

The structure and chemistry of annealed and oxygen or hydrogen-terminated low-index (100, 110) diamond surfaces was determined with high resolution electron energy loss spectroscopy (HREELS), low energy electron diffraction (LEED) and other techniques. HREELS revealed carbonyl, hydroxyl and bridge-bonded oxygen groups on oxidized C(100) and C(110) surfaces. The surface chemistry was correlated with secondary electron emission spectra and other data. The oxidized and annealed (reconstructed) surfaces exhibited larger work functions and electron affinity than hydrogenated surfaces, which we attribute to both band-bending and dipole layer effects due to surface oxygen.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 416: Symposium DD – Diamond for Electronic Applications , 1995 , 199
Copyright
Copyright © Materials Research Society 1996

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References

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