Scanning electron microscopy as a flexible tool for investigating the properties of UV-emitting nitride semiconductor thin films

C. Trager-Cowan, A. Alasmari, W. Avis, J. Bruckbauer, P. R. Edwards, B. Hourahine, S. Kraeusel, G. Kusch, R. Johnston, G. Naresh-Kumar, R. W. Martin, M. Nouf-Allehiani, E. Pascal, L. Spasevski, D. Thomson, S. Vespucci, P. J. Parbrook, M. D. Smith, J. Enslin, F. MehnkeM. Kneissl, C. Kuhn, T. Wernicke, S. Hagedorn, A. Knauer, V. Kueller, S. Walde, M. Weyers, P.-M. Coulon, P. A. Shields, Y. Zhang, L. Jiu, Yipin Gong, R. M. Smith, T. Wang, A. Winkelmann

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Abstract

In this paper we describe the scanning electron microscopy techniques of electron backscatter diffraction, electron channeling contrast imaging, wavelength dispersive X-ray spectroscopy, and cathodoluminescence hyperspectral imaging. We present our recent results on the use of these non-destructive techniques to obtain information on the topography, crystal misorientation, defect distributions, composition, doping, and light emission from a range of UV-emitting nitride semiconductor structures. We aim to illustrate the developing capability of each of these techniques for understanding the properties of UV-emitting nitride semiconductors, and the benefits were appropriate, in combining the techniques.
Original languageEnglish
Pages (from-to)B73-B82
Number of pages10
JournalPhotonics Research
Volume7
Issue number11
DOIs
Publication statusPublished - 30 Oct 2019

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Keywords

  • scanning electron microscopy
  • electron backscatter diffraction
  • non-destructive techniques
  • UV emitting nitride semiconductors

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