Search Results - "Koschnick, F. K."

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    Electrical characterization of two deep electron traps introduced in epitaxially grown n-GaN during He-ion irradiation by Auret, F. D., Goodman, S. A., Koschnick, F. K., Spaeth, J-M., Beaumont, B., Gibart, P.

    Published in Applied physics letters (21-12-1998)
    “…Epitaxial n-GaN was irradiated with 5.4-MeV He ions. Capacitance–voltage (C–V) measurements showed that 5.4-MeV He ions remove free carriers at a rate of…”
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    Journal Article
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    Sputter deposition-induced electron traps in epitaxially grown n-GaN by Auret, F. D., Goodman, S. A., Koschnick, F. K., Spaeth, J.-M., Beaumont, B., Gibart, P.

    Published in Applied physics letters (12-04-1999)
    “…We have used deep level transient spectroscopy to study the electrical properties of defects introduced in epitaxial n-GaN during sputter deposition of Au…”
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    Optically detected magnetic resonance study of defects in undoped, Be-doped, and Mg-doped GaN by KOSCHNICK, F. K, MICHAEL, K, SPAETH, J.-M, BEAUMONT, B, GIBART, P, CALLEJA, E, MUNOZ, E

    Published in Journal of electronic materials (01-12-2000)
    “…Undoped, Be-doped, and Mg-doped GaN samples were investigated with photoluminescence-detected EPR (PL-EPR) and electron-nuclear double resonance (PL-ENDOR)…”
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    Generation of EL2 defects by a 6-MeV proton irradiation of semi-insulating GaAs by Goodman, S.A., Koschnick, F.K., Weber, Ch, Spaeth, J.-M., Auret, F.D.

    Published in Solid state communications (01-01-1999)
    “…The defects introduced in a bulk semi-insulating (SI) GaAs by a 6-MeV proton irradiation at 300 K were investigated with the electron paramagnetic resonance…”
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    Field-enhanced emission rate and electronic properties of a defect introduced in n-GaN by 5.4 MeV He-ion irradiation by Goodman, S. A., Auret, F. D., Koschnick, F. K., Spaeth, J.-M., Beaumont, B., Gibart, P.

    Published in Applied physics letters (08-02-1999)
    “…A deep level defect ER3, introduced in n-GaN by high energy (5.4 MeV) He ions, was characterized by deep level transient spectroscopy (DLTS). This defect,…”
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    Optically detected magnetic-resonance mapping on the yellow luminescence in GaN by Koschnick, F. K., Michael, K., Spaeth, J.-M., Beaumont, B., Gibart, P.

    Published in Applied physics letters (03-04-2000)
    “…A mapping investigation was performed with photoluminescence-detected electron paramagnetic resonance (PL-EPR) via the yellow luminescence on nominally…”
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    Defect introduction in epitaxially grown n-GAN during electron beam deposition of Ru schottky contacts by Auret, F.D, Goodman, S.A, Myburg, G, Koschnick, F.K, Spaeth, J.-M, Beaumont, B, Gibart, P

    Published in Physica. B, Condensed matter (01-12-1999)
    “…We have used deep-level transient spectroscopy (DLTS) to study the electrical properties of defects introduced in epitaxial n-GaN during electron beam (EB)…”
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    ODEPR and yellow luminescence intensity in GaN under high pressure by Michael, K., Rogulis, U., Koschnick, F.K., Tröster, Th, Spaeth, J.-M., Beaumont, B., Gibart, P.

    Published in Physica. B, Condensed matter (01-12-2001)
    “…Optically detected electron paramagnetic resonance (ODEPR) measurements in the yellow luminescence (YL) under pressures up to 7 GPa have been performed. A…”
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    Correlation of two diamagnetic bands of the magnetic circular dichroism of the optical absorption with EL2 in GaAs by Wietzke, K. H., Koschnick, F. K., Krambrock, K.

    Published in Applied physics letters (13-10-1997)
    “…In a previous investigation, a diamagnetic band of the magnetic circular dichroism of the optical absorption (MCDA) in semi-insulating GaAs centered at 1.19 eV…”
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    Metastable-like behaviour of a sputter deposition-induced electron trap in n-GaN by Auret, F.D., Meyer, W.E., Goodman, S.A., Koschnick, F.K., Spaeth, J.-M., Beaumont, B., Gibart, P.

    Published in Physica. B, Condensed matter (15-12-1999)
    “…We show that a deep level, the ES1, introduced in n-GaN by sputter-deposition of gold Schottky contacts exhibits metastable-like behaviour during temperature…”
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    Investigations of undoped and Mg-doped wurtzite GaN with luminescence-detected paramagnetic resonance in the 4 mm band by Koschnick, F.K, Michael, K, Spaeth, J.-M, Beaumont, B, Gibart, P, Off, J, Sohmer, A, Scholz, F

    Published in Journal of crystal growth (15-06-1998)
    “…Nominally undoped and Mg-doped wurtzite GaN grown with MOVPE on sapphire substrates were investigated with photoluminescence-detected electron paramagnetic…”
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    Optically detected electron nuclear double resonance on the residual donor in GaN by Koschnick, F.K., Michael, K., Spaeth, J.-M., Beaumont, B., Gibart, P.

    “…Optically detected electron nuclear double resonance (ODENDOR) was measured in the 2.2 eV ‘yellow’ luminescence band associated with the residual donor in…”
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