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- 1. Phys. Rev. Lett. 102, 075506 (2009) , “Proton Tunneling: A Decay Channel of the O-H Stretch Mode in KTaO3”, E. J. Spahr, L. Wen, M. Stavola, L. A. Boatner, L. C. Feldman, N. H. Tolk, and G. LüpkeThe vibrational lifetimes of the O-H and O-D stretch modes in the perovskite oxide KTaO3 are measured by pump-probe infrared spectroscopy. Both stretch modes are exceptionally long lived and exhibit a large “reverse” isotope effect, due to a phonon-assisted proton-tunneling process, which involves the O-Ta-O bending motion. The excited-state tunneling rate is found to be 7 orders of magnitude larger than from the ground state in the proton conducting oxide, BaCeO3 [Phys. Rev. B 60, R3713 (1999)]. (Read more)
- 2. Appl. Phys. Lett. 90, 032906 (2007) , “Large scale ab initio molecular dynamics simulations of hydrogen-induced degradation of Ta diffusion barriers in ultralow-k dielectric systems”, Ling Dai, V. B. C. Tan, Shuo-Wang Yang, Ping Wu, and Xian-Tong ChenIn ultralow-k dielectric systems, the porous dielectrics are normally sealed by a SiC film before the deposition of a Ta diffusion barrier layer. However, the Ta barrier effects are negated when the SiC films are fabricated by plasma-enhanced chemical vapor deposition (PECVD). Through large... (Read more)
- 3. Appl. Phys. Lett. 90, 021920 (2007) , “Hydrogen passivation of nitrogen in GaNAs and GaNP alloys: How many H atoms are required for each N atom?”, I. A. Buyanova, W. M. Chen, M. Izadifard, S. J. Pearton, C. Bihler, M. S. Brandt, Y. G. Hong, and C. W. TuSecondary ion mass spectrometry and photoluminescence are employed to evaluate the origin and efficiency of hydrogen passivation of nitrogen in GaNAs and GaNP. The hydrogen profiles are found to closely follow the N distributions, providing unambiguous evidence for their preferential binding as the... (Read more)
- 4. Appl. Phys. Lett. 90, 013104 (2007) , “Scanning tunneling microscopy investigations of hydrogen plasma-induced electron scattering centers on single-walled carbon nanotubes”, G. Buchs, P. Ruffieux, P. Gröning, and O. GröningThe authors report on the generation of localized defects on single-walled carbon nanotubes by means of a hydrogen electron cyclotron resonance plasma. The defects have been investigated using scanning tunneling microscopy (STM) and show an apparent topographic height in the STM of 1–3 ... (Read more)
- 5. Phys. Rev. B 75, 115113 (2007) , “Structural, electronic, and magnetic properties of Mn-doped Ge nanowires by ab initio calculations”, J. T. Arantes, Antônio J. R. da Silva, and A. FazzioUsing ab initio total energy density-functional theory calculations, we investigated the electronic, structural, and magnetic properties of manganese-doped germanium nanowires. The nanowires have been constructed along the [110] direction and the dangling bonds on the surface have been... (Read more)
- 6. Phys. Rev. B 75, 113401 (2007) , “Enhancing the topological structures of defected carbon nanotubes with adsorbed hydrocarbon radicals at low temperatures”, R. L. Zhou, H. Y. He, and B. C. PanRealistic carbon nanotubes (CNTs) contain various structural defects by which the physical and chemical properties of the CNTs are significantly influenced. So, lowering the defect densities is of importance for the potential application of the CNTs. By performing tight-binding molecular dynamics... (Read more)
- 7. Phys. Rev. B 75, 085439 (2007) , “Real-space investigation of fast diffusion of hydrogen on Si(001) by a combination of nanosecond laser heating and STM”, C. H. Schwalb, M. Lawrenz, M. Dürr,, and U. HöferThe rearrangement of silicon dangling bonds induced by pulsed laser heating of monohydride-covered Si(001) surfaces has been studied by means of scanning tunneling microscopy (STM). The initial configurations, which were created by laser-induced thermal desorption, consist of isolated pairs of... (Read more)
- 8. Phys. Rev. B 75, 085423 (2007) , “Room-temperature atmospheric oxidation of Si nanocrystals after HF etching”, X. D. Pi, L. Mangolini, S. A. Campbell, and U. KortshagenThe effect of HF etching of the silicon oxide shell covering the surface of Si nanocrystals (NCs) on the subsequent room-temperature atmospheric oxidation of Si-NCs has been investigated by means of photoluminescence measurements, Fourier transform infrared spectroscopy, and electron paramagnetic... (Read more)
- 9. Phys. Rev. B 75, 085416 (2007) , “Ab initio theoretical study of hydrogen and its interaction with boron acceptors and nitrogen donors in single-wall silicon carbide nanotubes”, A. GaliSilicon carbide nanotubes have a great potential for biological applications. It is of interest to explore the electronic properties of these nanotubes, and how those are modified in the presence of impurities. Hydrogen is a common impurity that can appear during the growth of silicon carbide... (Read more)
- 10. Phys. Rev. B 75, 075420 (2007) , “Ab initio study of hydrogen interaction with pure and nitrogen-doped carbon nanotubes”, Zhiyong Zhang and Kyeongjae ChoDetailed studies of mechanisms for hydrogen dissociative adsorption and diffusion on pure and nitrogen-doped (8, 0) carbon nanotubes are carried out using the first-principles density functional theory method. (1) For pure carbon nanotubes, we have identified the energetically most favorable... (Read more)
- 11. Phys. Rev. B 75, 075206 (2007) , “Isotope dependence of the vibrational lifetimes of light impurities in Si from first principles”, D. West and S. K. EstreicherThe vibrational lifetimes of a range of H-related defects and interstitial O (Oi) in Si, including isotopic substitutions, are calculated from first principles as a function of temperature. The theoretical approach is explained in detail. The vibrational lifetimes of... (Read more)
- 12. 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)
- 13. Phys. Rev. B 75, 073409 (2007) , “Why thermal H2 molecules adsorb on SiC(001)-c(4×2) and not on SiC(001)-(3×2) at room temperature”, Xiangyang Peng, Peter Krüger, and Johannes PollmannIn a recent experiment, Derycke et al. have made the exciting observation that H2 molecules readily adsorb dissociatively on the c(4×2) but not on the 3×2 surface of SiC(001) at room temperature. To unravel this spectacular reactivity difference, we have investigated a... (Read more)
- 14. Phys. Rev. B 75, 035309 (2007) , “Role of hydrogen in hydrogen-induced layer exfoliation of germanium”, J. M. Zahler, A. Fontcuberta i Morral, M. J. Griggs, Harry A. Atwater, and Y. J. ChabalThe role of hydrogen in the exfoliation of Ge is studied using cross-sectional transmission electron microscopy, atomic force microscopy, and multiple-internal transmission mode Fourier-transform infrared absorption spectroscopy and compared with the mechanism in silicon. A qualitative model for the... (Read more)
- 15. Phys. Rev. B 75, 033301 (2007) , “Microscopic evidence for evolution of superconductivity by effective carrier doping in boron-doped diamond: 11B-NMR study”, H. Mukuda, T. Tsuchida, A. Harada, Y. Kitaoka, T. Takenouchi, Y. Takano, M. Nagao, I. Sakaguchi, T. Oguchi, and H. KawaradaWe have investigated the superconductivity discovered in boron-doped diamonds by means of 11B-NMR on heteroepitaxially grown (111) and (100) films. 11B-NMR spectra for all of the films are identified to arise from the substitutional B(1) site as single occupation and lower... (Read more)
- 16. Phys. Rev. B 75, 014102 (2007) , “First-principles study of vacancy formation in hydroxyapatite”, Katsuyuki Matsunaga and Akihide KuwabaraFirst-principles plane-wave calculations were performed for hydroxyapatite (HAp) in order to investigate the electronic structure and vacancy formation mechanisms. The HAp unit cell contains PO4 tetrahedra and OH groups formed by covalent P-O and H-O bonds. Ca ions play a role for... (Read more)
- 17. Phys. Rev. Lett. 98, 227401 (2007) , “Formation of Hydrogen Impurity States in Silicon and Insulators at Low Implantation Energies”, T. Prokscha, E. Morenzoni, D. G. Eshchenko, N. Garifianov, H. Glückler, R. Khasanov, H. Luetkens, and A. SuterThe formation of hydrogenlike muonium (Mu) has been studied as a function of implantation energy in intrinsic Si, thin films of condensed van der Waals gases (N2, Ne, Ar, Xe), fused and crystalline quartz, and sapphire. By varying the initial energy of positive muons... (Read more)
- 18. Phys. Rev. Lett. 98, 215503 (2007) , “Nature of the Bound States of Molecular Hydrogen in Carbon Nanohorns”, F. Fernandez-Alonso, F. J. Bermejo, C. Cabrillo, R. O. Loutfy, V. Leon, and M. L. SaboungiThe effects of confining molecular hydrogen within carbon nanohorns are studied via high-resolution quasielastic and inelastic neutron spectroscopies. Both sets of data are remarkably different from those obtained in bulk samples in the liquid and crystalline states. At temperatures where bulk... (Read more)
- 19. Phys. Rev. Lett. 98, 206406 (2007) , “Role of Intermolecular Coupling in the Photophysics of Disordered Organic Semiconductors: Aggregate Emission in Regioregular Polythiophene”, Jenny Clark, Carlos Silva, Richard H. Friend, and Frank C. SpanoWe address the role of excitonic coupling on the nature of photoexcitations in the conjugated polymer regioregular poly(3-hexylthiophene). By means of temperature-dependent absorption and photoluminescence spectroscopy, we show that optical emission is overwhelmingly dominated by weakly coupled H... (Read more)
- 20. Phys. Rev. Lett. 98, 206403 (2007) , “H-Induced Dangling Bonds in H–Isoelectronic-Impurity Complexes Formed in GaAs1-yNy Alloys”, A. Amore Bonapasta, F. Filippone, and G. MattioliComplexes formed by H and the isoelectronic impurity N in GaAs1-yNy alloys have been widely investigated because the significant effects of N on the GaAs properties and their passivation by H represent a unique tool for a defect engineering of semiconductors.... (Read more)
- 21. Phys. Rev. Lett. 98, 055504 (2007) , “Ortho-Para Conversion of Interstitial H2 in Si”, M. Hiller, E. V. Lavrov, and J. WeberOrtho-para conversion of isolated interstitial H2 in single-crystalline Si is studied by Raman scattering. This process is suggested to be caused by the interaction of H2 with the nuclear magnetic moment of 29Si. At 77 K the ortho-to-para conversion rate is... (Read more)
- 22. 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)
- 23. Phys. Rev. Lett. 98, 026101 (2007) , “Bonding at the SiC-SiO2 Interface and the Effects of Nitrogen and Hydrogen”, Sanwu Wang, S. Dhar, Shu-rui Wang, A. C. Ahyi, A. Franceschetti, J. R. Williams, L. C. Feldman,, and Sokrates T. PantelidesUnlike the Si-SiO2 interface, the SiC-SiO2 interface has large defect densities. Though nitridation has been shown to reduce the defect density, the effect of H remains an open issue. Here we combine experimental data and the results of first-principles calculations to... (Read more)
- 24. Appl. Phys. Lett. 89, 211914 (2006) , “Molecular hydrogen formation in hydrogenated silicon nitride”, H. F. W. Dekkers, G. Beaucarne, M. Hiller, H. Charifi, and A. SlaouiHydrogen is released from hydrogenated silicon nitride (SiNx:H) during thermal treatments. The formation of molecular hydrogen (H2) in SiNx:H layers with low mass density is confirmed by Raman spectroscopy. However, no H2 is observed in... (Read more)
- 25. Appl. Phys. Lett. 89, 152910 (2006) , “Characterization of atomic-layer-deposited Al2O3/GaAs interface improved by NH3 plasma pretreatment”, Hong-Liang Lu, Liang Sun, Shi-Jin Ding, Min Xu, David Wei Zhang, and Li-Kang WangAl2O3 thin films were deposited by atomic layer deposition on HF-cleaned and NH3 plasma-treated GaAs surfaces, respectively. The precursors used for Al2O3 films are trimethylaluminum and water. Effects of NH3 plasma pretreatment on... (Read more)
- 26. Appl. Phys. Lett. 89, 142914 (2006) , “Defect passivation in HfO2 gate oxide by fluorine”, K. Tse and J. RobertsonThe authors have calculated that fluorine substituting for oxygen gives no gap states in HfO2. This accounts for the good passivation of oxygen vacancies by F seen experimentally. Bonding arguments are used to account for why F may be the most effective passivant in ionic oxides such as... (Read more)
- 27. 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)
- 28. Appl. Phys. Lett. 89, 053511 (2006) , “Density functional theory study of deep traps in silicon nitride memories”, Max Petersen and Yakov RoizinUsing density functional theory, the interaction of hydrogen with a nitrogen vacancy in -Si3N4 is investigated. A single H atom was found to be energetically favorable over non- and doubly protonated vacancies. The traps composed of excess silicon and hydrogen have negative... (Read more)
- 29. Appl. Phys. Lett. 89, 041910 (2006) , “Acceptor segregation and nonlinear current-voltage characteristics in H2-sintered SrTiO3”, Seong-Min Wang and Suk-Joong L. KangThe current-voltage characteristics with acceptor segregation at grain boundaries have been investigated in H2-sintered SrTiO3. Al-added SrTiO3 was sintered in H2 and then annealed in air for selective oxidation of grain boundaries. The samples showed... (Read more)
- 30. Appl. Phys. Lett. 89, 031912 (2006) , “Formation of nanovoids in high-dose hydrogen implanted GaN”, I. Radu, R. Singh, R. Scholz, U. Gösele, S. Christiansen, G. Brüderl, C. Eichler, and V. HärleThe formation of nanovoids upon high-dose hydrogen implantation and subsequent annealing in GaN is investigated by transmission electron microscopy. The epitaxial GaN layers on sapphire were implanted at room temperature with H2+ ions at 100 keV with a dose of... (Read more)
- 31. Appl. Phys. Lett. 89, 031911 (2006) , “Hydrogen-plasma-induced thermal donors in high resistivity n-type magnetic Czochralski-grown silicon”, Y. L. Huang, E. Simoen, C. Claeys, J. M. Rafí, P. Clauws, R. Job, and W. R. FahrnerIn this work, the formation of donors in n-type high resistivity magnetic Czochralski-grown silicon wafers, directly exposed to a hydrogen plasma, is investigated by a combination of capacitance-voltage (C-V) and deep level transient spectroscopy (DLTS) measurements.... (Read more)
- 32. Appl. Phys. Lett. 89, 013508 (2006) , “Carrier trap passivation in multicrystalline Si solar cells by hydrogen from SiNx:H layers”, H. F. W. Dekkers, L. Carnel, and G. BeaucarneHydrogenation by high temperature rapid annealing of SiNx:H is found to be very effective on the defects responsible for the carrier trapping effect in multicrystalline silicon. The passivation effect is reversible and is annihilated by a long thermal annealing. As for the... (Read more)
- 33. Appl. Phys. Lett. 89, 011909 (2006) , “Unusual hydrogen distribution and its change in hydrogenated amorphous silicon prepared using bias electric-field molecular beam deposition”, Nobuyuki Matsuki, Satoshi Shimizu, Michio Kondo, and Akihisa MatsudaHydrogenated amorphous silicon (a-Si:H) films prepared using a molecular beam deposition (MBD) method show an unusually sharp, narrow infrared absorption peak at 20802090 cm1, which is thought to result from surface SiH species in the a-Si:H. The sharp, narrow... (Read more)
- 34. Appl. Phys. Lett. 88, 162107 (2006) , “Physical origin of threshold voltage problems in polycrystalline silicon/HfO2 gate stacks”, Dae Yeon Kim, Joongoo Kang, and K. J. ChangBased on theoretical calculations, we find that at p+ polycrystalline silicon (poly-Si)/HfO2 gates, Si interstitials are easily migrated from the electrode, forming HfSi bonds with a charge transfer to the electrode, and the resulting interface dipole raises the Fermi level... (Read more)
- 35. Appl. Phys. Lett. 88, 153518 (2006) , “Negative bias temperature instability mechanism: The role of molecular hydrogen”, Anand T. Krishnan, Srinivasan Chakravarthi, Paul Nicollian, Vijay Reddy, and Srikanth KrishnanThe role of dimerization of atomic hydrogen to give molecular hydrogen in determining negative bias temperature instability (NBTI) kinetics is explored analytically. The time dependency of NBTI involving molecular hydrogen was found to obey a power law with a slope of 1/6, as opposed to the 1/4... (Read more)
- 36. Appl. Phys. Lett. 88, 142112 (2006) , “Hydrogen self-trapping near silicon atoms in Ge-rich SiGe alloys”, R. N. Pereira, B. Bech Nielsen, J. Coutinho, V. J. B. Torres, P. R. BriddonInfrared absorption spectroscopy and ab initio density functional modeling are used to investigate hydrogen defects that are stable at and above room temperature in proton-implanted Ge-rich SiGe alloys. We find that Si atoms are effective nucleation sites for hydrogen, leading to the... (Read more)
- 37. Appl. Phys. Lett. 88, 132101 (2006) , “Discovery of the deep level related to hydrogen in anatase TiO2”, Takahira Miyagi, Masayuki Kamei, Takefumi Mitsuhashi, and Atsushi YamazakiDeep level transient spectroscopy was carried out to investigate the origin of the deep levels in the band gap of anatase TiO2. The epitaxial anatase-TiO2 film grown by metal-organic chemical vapor deposition possessed a deep level whose activation energy was 0.52 eV. In... (Read more)
- 38. Appl. Phys. Lett. 88, 092108 (2006) , “Hydrogen passivation of carbon Pb like centers at the 3C- and 4H-SiC/SiO2 interfaces in oxidized porous SiC”, J. L. Cantin, H. J. von Bardeleben, Yue Ke, R. P. Devaty, W. J. ChoykeThe effect of forming gas and vacuum annealing on the concentration of carbon dangling bond (PbC) centers at 3C- and 4H-SiC/SiO2 interfaces has been studied by electron paramagnetic resonance (EPR) spectroscopy. Our results show efficient passivation at 400 °C and... (Read more)
- 39. 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)
- 40. Appl. Phys. Lett. 88, 021901 (2006) , “H-induced platelet and crack formation in hydrogenated epitaxial Si/Si0.98B0.02/Si structures”, L. Shao, Y. Lin, J. G. Swadener, J. K. Lee, Q. X. Jia, Y. Q. Wang, M. Nastasi, P. E. Thompson, N. D. Theodore, T. L. Alford, J. W. Mayer, P. Chen, S. S. LauAn approach to transfer a high-quality Si layer for the fabrication of silicon-on-insulator wafers has been proposed based on the investigation of platelet and crack formation in hydrogenated epitaxial Si/Si0.98B0.02/Si structures grown by molecular-beam epitaxy. H-related... (Read more)
- 41. J. Appl. Phys. 100, 104902 (2006) , “Concentration-dependent diffusion of hydrogen in vitreous silica”, J. Rundgren, Q. Dong, and G. HultquistWe report diffusion experiments where hydrogen permeates through a 1 mm wall of vitreous silica at 550 °C with applied gas pressures of 70, 460, 840, and 1200 mbars. For each pressure, and at steady state, the flux and the amount of hydrogen in the material are measured. Within the... (Read more)
- 42. J. Appl. Phys. 100, 043513 (2006) , “Measurement of temperature-dependent defect diffusion in proton-irradiated GaN(Mg, H)”, R. M. Fleming and S. M. MyersDeuterated p-type GaN(Mg,2H) films were irradiated at room temperature with 1 MeV protons to create native point defects with a concentration approximately equal to the Mg doping (5×1019 cm3). The samples were then annealed isothermally at a... (Read more)
- 43. 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)
- 44. J. Appl. Phys. 100, 034503 (2006) , “Deep level defects in proton radiated GaAs grown on metamorphic SiGe/Si substrates”, M. González, C. L. Andre, R. J. Walters, S. R. Messenger, J. H. Warner, J. R. Lorentzen, A. J. Pitera, E. A. Fitzgerald, and S. A. RingelThe effect of 2 MeV proton radiation on the introduction of deep levels in GaAs grown on compositionally graded SiGe/Si substrates was investigated using deep level transient spectroscopy (DLTS). Systematic comparisons were made with identical layers grown on both GaAs and Ge substrates to directly... (Read more)
- 45. J. Appl. Phys. 100, 023704 (2006) , “Transformation behavior of room-temperature-stable metastable defects in hydrogen-implanted n-type silicon studied by isothermal deep-level transient spectroscopy”, Yutaka TokudaIsothermal deep-level transient spectroscopy (DLTS) with a single pulse has been used to study the transformation behavior of hydrogen-related metastable defects labeled EM1 (Ec0.28 eV) and EM2 (Ec0.37 eV), which are observed in... (Read more)
- 46. J. Appl. Phys. 100, 013521 (2006) , “Phonon and vibrational spectra of hydrogenated CdTe”, J. Polit, E. M. Sheregii, J. Cebulski, B. V. Robouch, A. Marcelli, M. Cestelli Guidi, M. Piccinini, A. Kisiel, P. Zajdel, E. Burattini, and A. MycielskiThis work presents far-infrared reflectivity spectra collected with synchrotron radiation on specially prepared CdTe monocrystals in the temperature region of 30300 K. The investigated samples were of three different types characterized by the three different levels of... (Read more)
- 47. J. Appl. Phys. 99, 124105 (2006) , “Hydrogen-implant-induced polarization loss and recovery in IrO2/Pb(Zr,Ti)O3/Pt capacitors”, J. S. Cross, K. Kurihara, I. Sakaguchi, and H. HanedaHydrogen was implanted into IrO2 (200 nm)/Pb(Zr,Ti)O3/Pt thin film capacitors at 26 keV with a flux of 2×1015 H+ ions/cm2 and also implanted at 20 keV with a flux of 1×1015 H+ ions/cm2 into... (Read more)
- 48. 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)
- 49. J. Appl. Phys. 99, 103509 (2006) , “X-ray scattering study of hydrogen implantation in silicon”, Nicolas Sousbie, Luciana Capello, Joël Eymery, François Rieutord, and Chrystelle LagaheThe effect of hydrogen implantation in silicon single crystals is studied using high-resolution x-ray scattering. Large strains normal to the sample surface are evidenced after implantation. A simple and direct procedure to extract the strain profile from the scattering data is described. A... (Read more)
- 50. J. Appl. Phys. 99, 063509 (2006) , “On the origin of the Staebler-Wronski effect”, Thomas KrügerThe parametrization of our recently proposed model of the Staebler-Wronski effect (SWE) is improved, which leads to an even better agreement with the experimental photoconductivity of light-soaked a-Si:H. The numerical solution of the essential equation exhibits well the typical SWE behavior,... (Read more)
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