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- 11. J. Appl. Phys. 105, 053709 (2009) , “Deep levels in GaTe and GaTe:In crystals investigated by deep-level transient spectroscopy and photoluminescence”, Yunlong Cui, David D. Caudel, Pijush Bhattacharya, Arnold Burger, Krishna C. Mandal, D. Johnstone, and S. A. PayneDeep levels of undoped GaTe and indium-doped GaTe crystals are reported for samples grown by the vertical Bridgman technique. Schottky diodes of GaTe and GaTe:In have been fabricated and characterized using current-voltage, capacitance-voltage, and deep-level transient spectroscopy (DLTS). Three... (Read more)
- 12. J. Appl. Phys. 105, 013504 (2009) , “Behaviors of neutral and charged silicon self-interstitials during transient enhanced diffusion in silicon investigated by isotope superlattices”, Yasuo Shimizu, Masashi Uematsu, Kohei M. Itoh, Akio Takano, Kentarou Sawano, and Yasuhiro ShirakiWe investigated the contributions of neutral and charged silicon self-interstitials to self- and boron diffusion during transient enhanced diffusion in silicon. We simultaneously observed self- and boron diffusion in silicon using natSi/28Si isotope superlattices. A calculation... (Read more)
- 13. Jpn. J. Appl. Phys. 48, 081003 (2009) , “Effects of Phosphorus Implantation on the Activation of Magnesium Doped in GaN”, Kuan-Ting Liu, Shoou-Jinn Chang, and Sean WuThe effects of phosphorus implantation on the activation of magnesium doped in GaN at different dopant concentration ratios have been systematically investigated. Hall effect measurements show that P implantation improves the hole concentration, and that this improvement is dependent on P/Mg dopant... (Read more)
- 14. Jpn. J. Appl. Phys. 48, 031205 (2009) , “Dual-Sublattice Modeling and Semi-Atomistic Simulation of Boron Diffusion in 4H-Silicon Carbide”, Kazuhiro Mochizuki, Haruka Shimizu, and Natsuki YokoyamaReported profiles of high-temperature (500 °C)-implanted boron ions diffused in 4H-silicon carbide at 1200–1900 °C for 5–90 min were simulated through a “dual-sublattice” modeling, in which a different diffusivity is assigned for diffusion via each sublattice, and a... (Read more)
- 15. Phys. Rev. B 79, 075207 (2009) , “EPR study of local symmetry sites of Ce3+ in Pb1−xCexA (A=S, Se, and Te)”, X. Gratens, V. Bindilatti, V. A. Chitta, N. F. Oliveira, and Jr.The local site symmetry of Ce3+ ions in the diluted magnetic semiconductors Pb1−xCexA (A=S, Se, and Te) has been investigated by electron-paramagnetic resonance (EPR). The experiments were carried out on single crystals with cerium... (Read more)
- 16. Phys. Rev. B 79, 075203 (2009) , “Hyperfine interaction in the ground state of the negatively charged nitrogen vacancy center in diamond”, S. Felton, A. M. Edmonds, and M. E. NewtonThe 14N, 15N, and 13C hyperfine interactions in the ground state of the negatively charged nitrogen vacancy (NV−) center have been investigated using electron-paramagnetic-resonance spectroscopy. The previously published parameters for the... (Read more)
- 17. Phys. Rev. B 79, 075201 (2009) , “First-principles studies of small arsenic interstitial complexes in crystalline silicon”, Yonghyun Kim, Taras A. Kirichenko, Ning Kong, Graeme Henkelman, and Sanjay K. BanerjeeWe present a first-principles study of the structure and dynamics of small As-interstitial complexes (AsI2, As2I2, AsI3, and As2I3) in crystalline Si. These complexes can be important components of stable As-interstitial clusters or... (Read more)
- 18. Phys. Rev. B 79, 014102 (2009) , “Vacancy defect positron lifetimes in strontium titanate”, R. A. Mackie, S. Singh, J. Laverock, S. B. Dugdale, and D. J. KeebleThe results of positron-annihilation lifetime spectroscopy measurements on undoped, electron-irradiated, and Nb-doped SrTiO3 single crystals are reported. Perfect lattice and vacancy defect positron lifetimes were calculated using two different first-principles schemes. The Sr-vacancy... (Read more)
- 19. Phys. Rev. Lett. 102, 065502 (2009) , “Transition Metal Impurities on the Bond-Centered Site in Germanium”, S. Decoster, S. Cottenier, B. De Vries, H. Emmerich, U. Wahl, J. G. Correia, and A. VantommeWe report on the lattice location of ion implanted Fe, Cu, and Ag impurities in germanium from a combined approach of emission channeling experiments and ab initio total energy calculations. Following common expectation, a fraction of these transition metals (TMs) was found on the... (Read more)
- 20. Appl. Phys. Lett. 93, 152108 (2008) , “Internal gettering of iron in multicrystalline silicon at low temperature”, Rafael Krain, Sandra Herlufsen, and Jan SchmidtThe interstitial iron concentration in multicrystalline silicon wafers, determined from recombination lifetime measurements, is effectively reduced by annealing the wafers at very low temperature (300–500 °C). During annealing, the iron concentration decreases by more than one order of... (Read more)
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