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Cubic GaN on Nanopatterned 3C-SiC/Si (001) Substrates

  • Ricarda Maria KemperEmail author
  • Donat Josef As
  • Jörg K. N. Lindner
Chapter
Part of the Springer Series in Materials Science book series (SSMATERIALS, volume 187)

Abstract

In this chapter we demonstrate the growth and characterization of nonpolar relaxed cubic GaN by plasma-assisted molecular beam epitaxy on prepatterned 3C-SiC/Si (001) substrates. Nanopatterning of 3C-SiC/Si (001) was achieved by two different fabrication techniques: nanosphere lithography (NSL) to generate large-area pattern, and conventional electron beam lithography (EBL) for tailoring particular surface morphologies. Both methods were followed by a lift-off and a reactive ion etching (RIE) process. We analyze the influence of the substrate on the GaN growth and show that it is possible to grow single phase and defect-reduced cubic GaN crystals on 3C-SiC nanostructures. Furthermore cubic GaN/AlN multiquantum wells were grown on 3C-SiC nanostructures, which is a further step toward nanoscaled device applications.

Keywords

Nitrides Molecular beam epitaxy Selective epitaxy Nanoheteroepitaxy Planar defects Nanostructures TEM EBSD 

Notes

Acknowledgments

The authors would like to thank L. Hiller, Th. Stauden and J. Pezoldt (TU Ilmenau) for patterning the substrates with electron beam lithography and reactive ion etching. The authors also wish to thank Th. Niendorf, K. Duschik and H.-J. Maier (University of Paderborn) for EBSD and some of the TEM measurements. We thank M. Ruth and C. Meier (University of Paderborn) for the micro-photoluminescence measurements. Furthermore we thank the team of the Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons (ER-C) at Forschungszentrum Jülich, in particular D. Meertens, M. Luysberg and K. Tillmann for access to and comprehensive support at the FIB and TEM facilities of ER-C. Part of the work at Paderborn was financially supported by German Science Foundation (As(107/4-1)).

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Ricarda Maria Kemper
    • 1
    Email author
  • Donat Josef As
    • 1
  • Jörg K. N. Lindner
    • 1
  1. 1.Department of PhysicsUniversity of PaderbornPaderbornGermany

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