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- 1. Phys. Rev. B 75, 085205 (2007) , “Luminescence properties of hexagonal boron nitride: Cathodoluminescence and photoluminescence spectroscopy measurements”, M. G. Silly, P. Jaffrennou, J. Barjon, J.-S. Lauret, F. Ducastelle, A. Loiseau, E. Obraztsova, B. Attal-Tretout, and E. RosencherCathodoluminescence and photoluminescence spectroscopies have been performed on hexagonal boron nitride powders. The combination of these techniques allows us to analyze the two observed luminescence bands. A deep-level UV emission at about 4 eV is attributed to defects or impurities, and a... (Read more)
- 2. Appl. Phys. Lett. 88, 191904 (2006) , “Luminescence from Nd- and Dy-ion-implanted 4H–SiC”, Shinji Kawai, Takayoshi Masaki, Yoshimine Kato, and Teruaki MotookaCathodoluminescence (CL) and photoluminescence (PL) properties are studied on neodymium (Nd)- and dysprosium (Dy)-ion-implanted 4HSiC. No appreciable CL and PL can be observed for all as-implanted samples. Strong visible CL due to Nd3+ and Dy3+ is observed only after... (Read more)
- 3. J. Vac. Sci. Technol. B 22, 120-125 (2004) , “Properties of Fe-doped semi-insulating GaN structures”, A. Y. Polyakov, N. B. Smirnov, A. V. Govorkov, S. J. PeartonThe properties of semi-insulating GaN films with the lower part of the film doped with Fe are reported. The 300 K sheet resistivity of the films was 2×1010 /square with an activation energy of the dark conductivity of 0.5 eV. The Fermi level is also pinned at... (Read more)
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Updated at 2010-07-20 16:50:39
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