Browsing by Author "Strassburg M"

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Browsing by Author "Strassburg M"

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  • Dissociation of H-related defect complexes in Mg-doped GaN 
    Gelhausen Olaf; Phillips Matthew; Goldys Ewa; Paskova Tanja; Monemar Bo; Strassburg M; Hoffmann Axel (American Physical Society, 2004)
    Post-growth annealing and electron beam irradiation during cathodoluminescence were used to determine the chemical origin of the main optical emission lines in moderately and heavily Mg-doped GaN. The 3.27 eV donor-acceptor ...
  • 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 ...
  • Formation and dissociation of hydrogen-related defect centres in Mg-doped GaN 
    Gelhausen Olaf; Phillips Matthew; Goldys Ewa; Paskova Tanja; Monemar Bo; Strassburg M; Hoffmann Axel (Materials Research Society, 2004)
    Moderately and heavily Mg-doped GaN were studied by a combination of post-growth annealing processes and electron beam irradiation techniques during cathodoluminescence (CL) to elucidate the chemical origin of the ...
  • Identification of bound exciton complexes in ZnO 
    Strassburg M; Rodina A; Dworzak M; Haboeck Ute; Krestnikov Igor; Hoffmann Axel; Gelhausen Olaf; Phillips Matthew; Alves Helder; Zeuner Arndt; Hofmann Detlev; Meyer Bruno (Wiley-VCH Verlag GmbH, 2004)
    An identification of shallow bound exciton centers in ZnO is presented based on magneto-optical measurements and diffusion experiments. The thermalization behavior of the Zeeman split components confirms that the I4, I6, ...
  • Optical properties of Mn-doped GaN 
    Gelhausen Olaf; Malguth Enno; Phillips Matthew; Goldys Ewa; Strassburg M; Hoffmann Axel; Graf T; Gjukic M; Stutzmann M (Materials Research Society, 2004)