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- 1. Phys. Rev. B 75, 075304 (2007) , “Damage evolution in low-energy ion implanted silicon”, R. Karmouch, Y. Anahory, J.-F. Mercure, D. Bouilly, M. Chicoine, G. Bentoumi, R. Leonelli, Y. Q. Wang, and F. SchiettekatteThe annealing of damage generated by low-energy ion implantation in polycrystalline silicon (poly-Si) and amorphous silicon (a-Si) is compared. The rate of heat release between implantation temperature and 350–500 °C for Si implanted in both materials and for different ions implanted in... (Read more)
- 2. Phys. Rev. B 75, 075201 (2007) , “Influence of isotopic substitution and He coimplantation on defect complexes and voids induced by H ions in silicon”, O. Moutanabbir, B. Terreault, M. Chicoine, F. Schiettekatte, and P. J. SimpsonWe present a detailed study of the comparative thermal evolutions of H- and D-related defects in silicon implanted with 2×1016 H or D/cm2, or coimplanted with 0.25×1016 He/cm2 and 0.7×1016 H/cm2, in both orders.... (Read more)
- 3. Phys. Rev. Lett. 98, 216103 (2007) , “Influence of Cumulenic Chains on the Vibrational and Electronic Properties of sp-sp2 Amorphous Carbon”, L. Ravagnan, P. Piseri, M. Bruzzi, S. Miglio, G. Bongiorno, A. Baserga, C. S. Casari, A. Li Bassi, C. Lenardi, Y. Yamaguchi, T. Wakabayashi, C. E. Bottani, and P. MilaniWe report the production and characterization of a form of amorphous carbon with sp-sp2 hybridization (atomic fraction of sp hybridized species 20%) where the predominant sp bonding appears to be (=C=C=)n cumulene.... (Read more)
- 4. Phys. Rev. Lett. 98, 095901 (2007) , “Experimental Evidence of the Vacancy-Mediated Silicon Self-Diffusion in Single-Crystalline Silicon”, Yasuo Shimizu, Masashi Uematsu, and Kohei M. ItohWe have determined silicon self-diffusivity at temperatures 735–875 °C based on the Raman shift of longitudinal optical phonon frequencies of diffusion annealed 28Si/30Si isotope superlattices. The activation enthalpy of 3.6 eV is obtained in such low temperature... (Read more)
- 5. Appl. Phys. Lett. 89, 241911 (2006) , “Defect and stress characterization of AlN films by Raman spectroscopy”, Vanni Lughi and David R. ClarkeRaman spectroscopy was used to characterize the residual stress and defect density of AlN thin films reactively sputtered on silicon (100). The authors studied the correlation between the shift of the E2 (high) phonon of AlN at 658 cm−1 and the film biaxial stress... (Read more)
- 6. Appl. Phys. Lett. 89, 131918 (2006) , “Hydrogen incorporation processes in nanodiamond films studied by isotopic induced modifications of Raman spectra”, Sh. Michaelson, O. Ternyak, A. Hoffman, and Y. LifshitzThe effect of replacing H by D and C-12 by C-13 in the gas species used to grow different types of nanodiamond films on the Raman spectra of these films was studied. The modifications of the Raman spectra were investigated in submicron sized diamond films grown by hot filament chemical vapor... (Read more)
- 7. J. Appl. Phys. 100, 073511 (2006) , “Depth profiling of strain and defects in Si/Si1–xGex/Si heterostructures by micro-Raman imaging”, T. Mitani, S. Nakashima, H. Okumura, and A. OguraWe have reported depth and in-plane profiling of strain, Ge composition, and defects in strained-Si/Si1xGex/Si heterostructures using micro-Raman imaging. Raman profiling in the depth direction was carried out with a depth resolution of ~15 nm using a... (Read more)
- 8. J. Appl. Phys. 100, 034911 (2006) , “Thermal evolution of hydrogen related defects in hydrogen implanted Czochralski silicon investigated by Raman spectroscopy and atomic force microscopy”, W. Düngen, R. Job, Y. Ma, Y. L. Huang, T. Mueller, W. R. Fahrner, L. O. Keller, J. T. Horstmann, and H. FiedlerMicro-Raman spectroscopy and atomic force microscopy investigations have been applied on hydrogen implanted p-type Czochralski silicon samples to investigate the hydrogen related defects and their evolution after subsequent annealing. The thermal evolution of interstitial-hydrogen and... (Read more)
- 9. J. Appl. Phys. 99, 123515 (2006) , “Raman spectroscopy of (Mn, Co)-codoped ZnO films”, C. L. Du, Z. B. Gu, M. H. Lu, J. Wang, S. T. Zhang, J. Zhao, G. X. Cheng, H. Heng, and Y. F. ChenRaman spectra of (Mn, Co)-codoped ZnO films were investigated as functions of laser line and temperature. It is shown that the Raman shifts for different phonon modes exhibit redshift with temperature increasing, which can be attributed to the anharmonic effect in the material. Strong resonant Raman... (Read more)
- 10. J. Appl. Phys. 99, 113520 (2006) , “Effects of hydrogen bond redistribution on photoluminescence of a-SiC:H films under thermal treatment”, A. V. Vasin, S. P. Kolesnik, A. A. Konchits, V. I. Kushnirenko, V. S. Lysenko, A. N. Nazarov, A. V. Rusavsky, and S. AshokHydrogenated amorphous silicon carbide (a-SiC:H) films have been deposited using magnetron sputtering technique. An integrated investigation of the effect of vacuum annealing temperature on photoluminescence properties and paramagnetic defects and its correlation with structural... (Read more)
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