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Is electron accumulation universal at InN polar surfaces?
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10.1063/1.3549874
/content/aip/journal/apl/98/5/10.1063/1.3549874
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/5/10.1063/1.3549874

Figures

Image of FIG. 1.
FIG. 1.

Photoelectron spectra of untreated and treated InN surfaces. The insets are the core-level spectra of and for untreated and treated InN surfaces and the LEED image of a treated InN surface with electron energy of 129 eV.

Image of FIG. 2.
FIG. 2.

(a) Valence band spectra of InN(0001) surface (bottom) with HCl treatment, InN surface (middle) without HCl treatment, and InN surface (top) with HCl treatment. (b) Band diagram of InN surface with HCl treatment, showing flatband condition . (c) Band diagram of InN surface without HCl treatment, showing strong downward surface band bending condition .

Image of FIG. 3.
FIG. 3.

Comparison of experimental and calculated In/N ratios for the InN (0001) and InN surfaces vs the number of excessive In monolayers.

Tables

Generic image for table
Table I.

Summary of surface band bending values vs orientations and surface compositions of InN. The bulk Fermi level positions of InN are estimated from different band models of carrier concentration (assuming that the band gap energy of InN is ). The surface Fermi level positions of InN are determined from Fig. 2(a).

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/content/aip/journal/apl/98/5/10.1063/1.3549874
2011-01-31
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Is electron accumulation universal at InN polar surfaces?
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/5/10.1063/1.3549874
10.1063/1.3549874
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