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Scanning Kelvin-probe study of the hydrogen-terminated diamond surface in ultrahigh vacuum
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10.1063/1.3222864
/content/aip/journal/apl/95/12/10.1063/1.3222864
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/12/10.1063/1.3222864
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Noncontact AFM (a) and Kelvin-probe (c) images obtained for the same area of the polycrystalline sample (sample I), immediately after insertion into UHV; the scan size is in each case. [(b) and (d)] show scans of surface topography and CPD along the lines indicated in the corresponding images.

Image of FIG. 2.
FIG. 2.

(a) Measured work function of virgin and annealed hydrogenated surfaces (●) and unhydrogenated surface (○) for sample I. Anneal A: ; anneal B: . [(b)–(d)] Schematic representation (not to scale) of the band-edge diagram at the hydrogenated diamond surface, relative to the probe: (b) virgin H-terminated film exposed to atmosphere; (c) H-terminated film following anneal; (d) H-desorbed film following anneal.

Image of FIG. 3.
FIG. 3.

(a) Measured work function of hydrogenated and unhydrogenated C(100) surface for sample II. Open symbols: samples immediately after insertion into UHV. Closed symbols indicate the effect of fullerene film deposition, following heating to . The solid line is a fit of the form ; the broken line is a linear fit to the data for the unterminated surface. (b) Numerical band diagrams corresponding to coverages of 1 and 4 ML.

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/content/aip/journal/apl/95/12/10.1063/1.3222864
2009-09-23
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Scanning Kelvin-probe study of the hydrogen-terminated diamond surface in ultrahigh vacuum
http://aip.metastore.ingenta.com/content/aip/journal/apl/95/12/10.1063/1.3222864
10.1063/1.3222864
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