Browsing 02 Physical Sciences by Author "Malguth Enno"

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Browsing 02 Physical Sciences by Author "Malguth Enno"

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  • Doping-level-dependent optical properties of GaN:Mn 
    Gelhausen Olaf; Malguth Enno; Phillips Matthew; Goldys Ewa; Strassburg M; Hoffmann Axel; Graf T; Gjukic M; Stutzmann M (American Institute of Physcis, 2004)
    The optical properties of molecular-beam-epitaxy-grown GaN with different Mn-doping levels (5–2331019 cm23) were studied by cathodoluminescence (CL) and optical transmission spectroscopy. Transmission measurements at 2 ...
  • Fe in III-V and II-VI semiconductors 
    Malguth Enno; Hoffmann Axel; Phillips Matthew (Wiley - V C H Verlag GmbH & Co. KGaA, 2008)
  • Structural and electronic properties of Fe3+ and Fe2+ centers in GaN from optical and EPR experiments 
    Malguth Enno; Hoffmann Axel; Gehlhoff W; Gelhausen Olaf; Phillips Matthew; Xu X (American Physical Society, 2006)
    This work provides a consistent picture of the structural, optical, and electronic properties of Fe-doped GaN. A set of high-quality GaN crystals doped with Fe at concentrations ranging from 5 X 1017 cm-3 to 2 X 1020 ...
  • Structural and optical inhomogeneities of Fe doped GaN grown by hydride vapor phase epitaxy 
    Malguth Enno; Hoffmann Axel; Phillips Matthew (American Institute of Physics, 2008)
    We present the results of cathodoluminescence experiments on a set of Fe doped GaN samples with Fe concentrations of 5×1017, 1×1018, 1×1019, and 2×1020 cm-3. These specimens were grown by hydride vapor phase epitaxy with ...