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- 1. J. Appl. Phys. 102, 013530 (2007) , “Fluorine-vacancy complexes in Si-SiGe-Si structures”, D. A. Abdulmalik, P. G. Coleman, H. A. W. El Mubarek, and P. AshburnFluorine-vacancy (FV) complexes have been directly observed in the Si0.94Ge0.06 layer in a Si-SiGe-Si structure, using variable-energy positron annihilation spectroscopy (VEPAS). These complexes are linked to the significant reduction of boron diffusion in the SiGe layer via... (Read more)
- 2. Phys. Rev. B 75, 144103 (2007) , “Multiscale modeling of point defects in Si-Ge(001) quantum wells”, B. Yang and V. K. TewaryA computationally efficient hybrid Green's function (GF) technique is developed for multiscale modeling of point defects in a trilayer lattice system that links seamlessly the length scales from lattice (subnanometers) to continuum (bulk). The model accounts for the discrete structure of the lattice... (Read more)
- 3. 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)
- 4. Phys. Rev. Lett. 98, 026801 (2007) , “Surface Dangling-Bond States and Band Lineups in Hydrogen-Terminated Si, Ge, and Ge/Si Nanowires”, R. Kagimura, R. W. Nunes, and H. ChachamWe report an ab initio study of the electronic properties of surface dangling-bond (SDB) states in hydrogen-terminated Si and Ge nanowires with diameters between 1 and 2 nm, Ge/Si nanowire heterostructures, and Si and Ge (111) surfaces. We find that the charge transition levels ε(+/-)... (Read more)
- 5. Appl. Phys. Lett. 89, 182115 (2006) , “Electrically detected magnetic resonance in ion-implanted Si:P nanostructures”, D. R. McCamey, H. Huebl, M. S. Brandt, W. D. Hutchison, J. C. McCallum, R. G. Clark, and A. R. HamiltonThe authors present the results of electrically detected magnetic resonance (EDMR) experiments on ion-implanted Si:P nanostructures at 5 K, consisting of high-dose implanted metallic leads with a square gap, in which phosphorus is implanted at a nonmetallic dose corresponding to 1017 ... (Read more)
- 6. Phys. Rev. B 74, 153311 (2006) , “Electron transport in laterally confined phosphorus δ layers in silicon”, S. J. Robinson, J. S. Kline, H. J. Wheelwright, J. R. Tucker, C. L. Yang, R. R. Du, B. E. Volland, I. W. Rangelow, and T.-C. ShenTwo-dimensional electron systems fabricated from a single layer of P-donors have been lithographically confined to nanometer scale in lateral directions. The electronic transport of such quasi-one-dimensional systems with and without a perpendicular magnetic field was characterized at cryogenic... (Read more)
- 7. Phys. Rev. B 74, 035202 (2006) , “Computation of the Stark effect in P impurity states in silicon”, A. Debernardi, A. Baldereschi, and M. FanciulliWe compute within the effective-mass theory and without adjustable parameters the Stark effect for shallow P donors in Si with anisotropic band structure. Valley-orbit coupling is taken into account in a nonperturbative way and scattering effects of the impurity core are included to properly... (Read more)
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Updated at 2010-07-20 16:50:39
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