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Determination of the branch-point energy of InN : chemical trends in common-cation and common-anion semiconductors
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King, P. D. C., Veal, T. D. (Tim D.), Jefferson, P. H., Hatfield, S. A., Piper, L. F. J., McConville, C. F. (Chris F.), Fuchs, F., Furthmueller, J., Bechstedt, Friedhelm, Lu, H. (Hai) and Schaff, William Joseph, 1956-. (2008) Determination of the branch-point energy of InN : chemical trends in common-cation and common-anion semiconductors. Physical Review B (Condensed Matter and Materials Physics), Vol.77 (No.4). Article no. 045316 . ISSN 1098-0121
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Official URL: http://dx.doi.org/10.1103/PhysRevB.77.045316
Abstract
Bulk and surface electronic properties of Si-doped InN are investigated using high-resolution x-ray photoemission spectroscopy, optical absorption spectroscopy, and quasiparticle corrected density functional theory calculations. The branch point energy in InN is experimentally determined to lie 1.83 +/- 0.10 eV above the valence-band maximum. This high position relative to the band edges is used to explain the extreme fundamental electronic properties of the material. Far from being anomalous, these properties are reconciled within chemical trends of common-cation and common-anion semiconductors.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics Q Science > QD Chemistry |
| Divisions: | Faculty of Science > Physics |
| Library of Congress Subject Headings (LCSH): | Semiconductors, Indium compounds -- Electric properties, Energy-band theory of solids, Density functionals, Fermi surfaces |
| Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) |
| Publisher: | American Physical Society |
| ISSN: | 1098-0121 |
| Date: | January 2008 |
| Volume: | Vol.77 |
| Number: | No.4 |
| Number of Pages: | 6 |
| Page Range: | Article no. 045316 |
| Identification Number: | 10.1103/PhysRevB.77.045316 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), Deutsche Forschungsgemeinschaft (DFG) |
| Grant number: | EP/C535553/1 (EPSRC), GR/S14252/01 (EPSRC), Be1346/18-2 (DFG) |
| URI: | http://wrap.warwick.ac.uk/id/eprint/30609 |
Data sourced from Thomson Reuters' Web of Knowledge
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