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- 1. Phys. Rev. B 75, 193409 (2007) , “Magnetic properties of vacancies in a graphitic boron nitride sheet by first-principles pseudopotential calculations”, M. S. Si and D. S. XueWe use ab initio methods to calculate the magnetic properties of vacancies in a graphitic boron nitride sheet (g-BN). By applying a full spin-polarized description to the system, we demonstrate that the nitrogen vacancy (VN) or the boron vacancy (VB)... (Read more)
- 2. 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)
- 3. Appl. Phys. Lett. 89, 112124 (2006) , “Electric conductivity of boron nitride thin films enhanced by in situ doping of zinc”, K. Nose, H. Oba, and T. YoshidaThe authors demonstrate that the electric conductivities of cubic and hexagonal boron nitride (c-BN and h-BN) thin films increased markedly by the in situ doping of zinc. The doped films were electrically semiconducting, and conductivities at room temperature increased from... (Read more)
- 4. Appl. Phys. Lett. 89, 072102 (2006) , “Manganese impurities in boron nitride”, L. V. C. Assali, W. V. M. Machado, and J. F. JustoThe authors carried an ab initio investigation on the properties of Mn impurities in BN, presenting results on stability, spin states, magnetic moment, hyperfine parameters, and formation and transition energies. Substitutional Mn in the cation site in BN was compared to that in GaN and GaAs.... (Read more)
- 5. Phys. Rev. B 74, 155204 (2006) , “Vibronic spectrum of c-BN measured with cathodoluminescence”, C. Manfredotti, R. Cossio, A. Lo Giudice, E. Vittone, and F. FizzottiAn extended vibronic spectrum (up to six phonon replicas) has been measured by low temperature cathodoluminescence in pure c-BN microcrystalline samples obtained by high temperature high pressure method. The zero phonon line, found at 3.573 eV, should be connected to a center identified... (Read more)
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Updated at 2010-07-20 16:50:39
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