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  STM Luminescence Spectroscopy of Intrinsic Defects in ZnO(0001̅)

Stavale, F., Nilius, N., & Freund, H.-J. (2013). STM Luminescence Spectroscopy of Intrinsic Defects in ZnO(0001̅). The Journal of Physical Chemistry Letters, 4(22), 3972-3976. doi:10.1021/jz401823c.

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 Creators:
Stavale, Fernando1, 2, Author           
Nilius, Niklas1, 3, Author           
Freund, Hans-Joachim1, Author           
Affiliations:
1Chemical Physics, Fritz Haber Institute, Max Planck Society, ou_24022              
2Centro Brasileiro de Pesquisas Fı́sicas - CBPF/MCTI, Rua Dr. Xavier Sigaud 150, 22290-180 Rio de Janeiro, Brazil, ou_persistent22              
3Institut für Physik, Carl von Ossietzky Universität Oldenburg, D-26111 Oldenburg, Germany, ou_persistent22              

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Free keywords: ZnO; Thin Film; Optical Properties; Defect Levels; Scanning Probe Mircroscopy; STM-Luminescence
 Abstract: Luminescence spectroscopy with an STM is used to analyze the role of lattice defects in crystalline ZnO films grown on Au(111). The films exhibit a strong band-recombination peak at 373 nm as well as three maxima at higher wavelength, indicating the presence of oxide defects. To identify their nature, we systematically alter the preparation conditions by treating the films with UV radiation, hydrogen, and oxygen and at elevated temperature. From concomitant changes in the emission response, we are able to assign the subgap peaks to specific O and Zn defects in the wurtzite lattice. Our conclusions are discussed in light of recent DFT calculations.

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Language(s): eng - English
 Dates: 2013-08-272013-11-062013-11-062013-11-21
 Publication Status: Issued
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1021/jz401823c
 Degree: -

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Title: The Journal of Physical Chemistry Letters
  Abbreviation : JPCLett
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 4 (22) Sequence Number: - Start / End Page: 3972 - 3976 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/1948-7185