Electronic structure of In2 O3 from resonant x-ray emission spectroscopy

L. F.J. Piper; A. Demasi; S. W. Cho; K. E. Smith; F. Fuchs; F. Bechstedt; C. Körber; A. Klein; D. J. Payne; R. G. Egdell

doi:10.1063/1.3070524

Electronic structure of In2 O3 from resonant x-ray emission spectroscopy

L. F.J. Piper, A. Demasi, S. W. Cho, K. E. Smith, F. Fuchs, F. Bechstedt, C. Körber, A. Klein, D. J. Payne, R. G. Egdell

Physics

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

The valence and conduction band structures of In2 O3 have been measured using a combination of valence band x-ray photoemission spectroscopy, O K -edge resonant x-ray emission spectroscopy, and O K -edge x-ray absorption spectroscopy. Excellent agreement is noted between the experimental spectra and O 2p partial density of states calculated within hybrid density functional theory. Our data are consistent with a direct band gap for In2 O3.

Original language	English
Article number	022105
Journal	Applied Physics Letters
Volume	94
Issue number	2
DOIs	https://doi.org/10.1063/1.3070524
Publication status	Published - 2009

Bibliographical note

Funding Information:
The Boston University (BU) program is supported in part by the Department of Energy under Grant No. DE-FG02-98ER45680 and in part by the Donors of the American Chemical Society Petroleum Research Fund. The BU RXES spectrometer system was funded by the U.S. Army Research Office under Grant Nos. DAAD19-01-1-0364 and DAAH04-95-0014. The National Synchrotron Light Source, Brookhaven National Laboratory, is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-98CH10886. The NCESS facility is supported by the EPSRC-GB, U.K., under Grant No. GR/S94148. Financial support is also acknowledged from the European Community in the framework of the network of excellence NANOQUANTA (Contract No. NMP4-CT-2004-500198) and the Deutsche Forschungsgemeinschaft (Project No. Be1346/18-2).

All Science Journal Classification (ASJC) codes

Physics and Astronomy (miscellaneous)

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title = "Electronic structure of In2 O3 from resonant x-ray emission spectroscopy",

abstract = "The valence and conduction band structures of In2 O3 have been measured using a combination of valence band x-ray photoemission spectroscopy, O K -edge resonant x-ray emission spectroscopy, and O K -edge x-ray absorption spectroscopy. Excellent agreement is noted between the experimental spectra and O 2p partial density of states calculated within hybrid density functional theory. Our data are consistent with a direct band gap for In2 O3.",

author = "Piper, {L. F.J.} and A. Demasi and Cho, {S. W.} and Smith, {K. E.} and F. Fuchs and F. Bechstedt and C. K{\"o}rber and A. Klein and Payne, {D. J.} and Egdell, {R. G.}",

note = "Funding Information: The Boston University (BU) program is supported in part by the Department of Energy under Grant No. DE-FG02-98ER45680 and in part by the Donors of the American Chemical Society Petroleum Research Fund. The BU RXES spectrometer system was funded by the U.S. Army Research Office under Grant Nos. DAAD19-01-1-0364 and DAAH04-95-0014. The National Synchrotron Light Source, Brookhaven National Laboratory, is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-98CH10886. The NCESS facility is supported by the EPSRC-GB, U.K., under Grant No. GR/S94148. Financial support is also acknowledged from the European Community in the framework of the network of excellence NANOQUANTA (Contract No. NMP4-CT-2004-500198) and the Deutsche Forschungsgemeinschaft (Project No. Be1346/18-2). ",

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AU - Piper, L. F.J.

AU - Demasi, A.

AU - Cho, S. W.

AU - Smith, K. E.

AU - Fuchs, F.

AU - Bechstedt, F.

AU - Körber, C.

AU - Klein, A.

AU - Payne, D. J.

AU - Egdell, R. G.

N1 - Funding Information: The Boston University (BU) program is supported in part by the Department of Energy under Grant No. DE-FG02-98ER45680 and in part by the Donors of the American Chemical Society Petroleum Research Fund. The BU RXES spectrometer system was funded by the U.S. Army Research Office under Grant Nos. DAAD19-01-1-0364 and DAAH04-95-0014. The National Synchrotron Light Source, Brookhaven National Laboratory, is supported by the U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. DE-AC02-98CH10886. The NCESS facility is supported by the EPSRC-GB, U.K., under Grant No. GR/S94148. Financial support is also acknowledged from the European Community in the framework of the network of excellence NANOQUANTA (Contract No. NMP4-CT-2004-500198) and the Deutsche Forschungsgemeinschaft (Project No. Be1346/18-2).

PY - 2009

Y1 - 2009

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