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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. Phys. Rev. B 75, 075306 (2007) , “Microcrack-induced strain relief in GaN/AlN quantum dots grown on Si(111)”, G. Sarusi, O. Moshe, S. Khatsevich, D. H. Rich, and B. DamilanoThe optical properties of vertically stacked self-assembled GaN/AlN quantum dots (QD's) grown on Si substrates were studied by means of temporally and spatially resolved cathodoluminescence (CL). An analysis of the CL spectra, thermal activation energies, and measured decay times of the QD... (Read more)
- 3. Appl. Phys. Lett. 89, 253124 (2006) , “White electroluminescence from C- and Si-rich thin silicon oxides”, O. Jambois, B. Garrido, P. Pellegrino, Josep Carreras, A. Pérez-Rodríguez, J. Montserrat, C. Bonafos, G. BenAssayag, and S. SchammWhite electroluminescence from carbon- and silicon-rich silicon oxide layers is reported. The films were fabricated by Si and C ion implantation at low energy in 40 nm thick SiO2, followed by annealing at 1100 °C. Structural and optical studies allow assigning the... (Read more)
- 4. Appl. Phys. Lett. 89, 231901 (2006) , “Cathodoluminescence investigations of GaInNAs on GaAs(111)B”, J. Miguel-Sánchez, U. Jahn, A. Guzmán, and E. MuñozIn this work, we present a detailed cathodoluminescence characterization of GaInNAs quantum wells grown on GaAs(111)B. As-grown and annealed InGaAs and GaInNAs quantum wells were maeasured and compared by spatially resolved cathodoluminescence at different photon energies. In the case of... (Read more)
- 5. Appl. Phys. Lett. 89, 161905 (2006) , “Carrier recombination near threading dislocations in GaN epilayers by low voltage cathodoluminescence”, N. Pauc, M. R. Phillips, V. Aimez, and D. DrouinThe authors present a low voltage cathodoluminescence (CL) study of as grown GaN and GaN:Si epilayers on sapphire. At 1 kV they resolve individual threading dislocations on the sample surface at low temperature (5 K), which appear as correlated dark spots. Analysis of CL intensity profiles across... (Read more)
- 6. Appl. Phys. Lett. 89, 143120 (2006) , “Electroluminescence mapping of CuGaSe2 solar cells by atomic force microscopy”, Manuel J. Romero, C.-S. Jiang, J. Abushama, H. R. Moutinho, M. M. Al-Jassim, and R. NoufiThe authors report on the observation of electroluminescence (EL) in CuGaSe2 solar cells using tapping-mode atomic force microscopy based on tuning-fork sensors. Individually injected current pulses are seen during intermittent contact driven by an external bias applied to the conducting... (Read more)
- 7. Appl. Phys. Lett. 89, 041908 (2006) , “Stress dependence of F+-center cathodoluminescence of sapphire”, Giuseppe Pezzotti, Keshu Wan, Maria Chiara Munisso, and Wenliang ZhuThe rate of spectral shift with applied biaxial stress [piezospectroscopic (PS) coefficient] was determined for the electron-stimulated F+ luminescence emitted from the c plane of sapphire (-Al2O3) as =1.18±0.03 nm/GPa. The PS dependence could be... (Read more)
- 8. Appl. Phys. Lett. 88, 261102 (2006) , “Light-emitting defects and epitaxy in alkali-ion-implanted α quartz”, J. Keinonen, S. Gsiorek, P. K. Sahoo, S. Dhar, and K. P. LiebLight-emitting centers in alkali-ion-implanted quartz have been investigated with respect to the solid phase epitaxial growth of the ion irradiation induced amorphous zone. Cathodoluminescence was studied under the conditions of chemical epitaxy in annealing the samples, implanted with... (Read more)
- 9. 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)
- 10. Appl. Phys. Lett. 88, 091912 (2006) , “Hydrogen-vacancy related defect in chemical vapor deposition homoepitaxial diamond films studied by electron paramagnetic resonance and cathodoluminescence”, N. Mizuochi, H. Watanabe, H. Okushi, S. Yamasaki, J. Niitsuma, T. SekiguchiHydrogen-vacancy related defect (H1) in chemical vapor deposition homoepitaxial diamond films has been investigated by electron paramagnetic resonance and cathodoluminescence. It is found that the concentration of H1 significantly decreases as the dilution... (Read more)
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