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Applied Physics A

, Volume 113, Issue 3, pp 641–644 | Cite as

Electronic response in mesoscopically disordered zinc oxide probed by terahertz spectroscopy

  • Stefan G. EngelbrechtEmail author
  • Ludovica De Angelis
  • Marc Tönnies
  • Roland Kersting
Article

Abstract

Terahertz spectroscopy is applied for characterizing the high frequency transport of electrons in polycrystalline ZnO films deposited by spray pyrolysis. Electromodulation of the charge carrier density provides the frequency dependent conductivity of the electron gas. Amplitude and phase of the high frequency response are well reproduced by the Drude–Smith model.

Keywords

ZnTe Spray Pyrolysis Schottky Contact Drude Model High Frequency Response 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

This work is supported by the Deutsche Forschungsgemeinschaft (by contracts Ke 516/1-2 and Ke 516/6-1). We thank Coherent Inc. and in particular U. Emmerichs for technical support.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Stefan G. Engelbrecht
    • 1
    Email author
  • Ludovica De Angelis
    • 1
  • Marc Tönnies
    • 1
  • Roland Kersting
    • 1
  1. 1.Photonics and Optoelectronics Group, Physics Department and Center for NanoScience (CeNS)Ludwig-Maximilians-Universität MünchenMünchenGermany

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