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- 1. Phys. Rev. B 75, 195209 (2007) , “Mechanism and energetics of self-interstitial formation and diffusion in silicon”, Ramakrishnan Vaidyanathan, Michael Y. L. Jung, and Edmund G. SeebauerRecent work has suggested that prior determinations of diffusion mechanism and point defect thermodynamics in silicon have been affected by nonequilibrium effects stemming from uncontrolled adsorption-induced suppression of a pathway for defect creation at the surface. Through silicon self-diffusion... (Read more)
- 2. 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)
- 3. 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)
- 4. Phys. Rev. B 74, 235301 (2006) , “Precursor mechanism for interaction of bulk interstitial atoms with Si(100)”, Xiao Zhang, Min Yu, Charlotte T. M. Kwok, Ramakrishnan Vaidyanathan, Richard D. Braatz, and Edmund G. SeebauerIn the same way that gases react with surfaces from above, solid-state point defects such as interstitial atoms can react from below. Little attention has been paid to this form of surface chemistry. Recent bulk self-diffusion measurements near the Si(100) surface have quantified Si interstitial... (Read more)
- 5. Phys. Rev. B 74, 205324 (2006) , “Surface smoothness of plasma-deposited amorphous silicon thin films: Surface diffusion of radical precursors and mechanism of Si incorporation”, Mayur S. Valipa, Tamas Bakos, and Dimitrios MaroudasWe present a detailed analysis of the fundamental atomic-scale processes that determine the surface smoothness of hydrogenated amorphous silicon (a-Si:H) thin films. The analysis is based on a synergistic combination of molecular-dynamics (MD) simulations of radical precursor migration on surfaces... (Read more)
- 6. Phys. Rev. B 73, 073302 (2006) , “Origin of Pb1 center at SiO2/Si(100) interface: First-principles calculations”, K. Kato, T. Yamasaki, T. UdaBased on first-principles calculations, we studied the generation behavior of Pb centers at SiO2/Si interfaces, especially for Pb1 centers, under oxidation of Si(100) surfaces. Pb1 centers were found to be formed... (Read more)
- 7. Phys. Rev. Lett. 92, 105505 (2004) , “In situ ESR Observation of Interface Dangling Bond Formation Processes During Ultrathin SiO2 Growth on Si(111)”, W. Futako, N. Mizuochi, and S. YamasakiWe report the formation processes of interface dangling bonds (Pb centers) during initial oxidation of a clean Si(111) surface using an ultrahigh-vacuum electron-spin-resonance technique. At the oxidation of one or two Si layer(s), the Pb center... (Read more)
- 8. Phys. Rev. Lett. 86, 1054 (2001) , “Electron Spin Resonance Observation of the Si(111)- (7?7) Surface and Its Oxidation Process”, Takahide Umeda, Masayasu Nishizawa, Tetsuji Yasuda, Junichi Isoya, Satoshi Yamasaki, and Kazunobu TanakaElectron spin resonance (ESR) observation of dangling-bond states on the Si(111)- (7?7) surface is demonstrated for the first time. The ESR spectra clearly show that a reaction of molecular oxygen with the Si(111)- (7?7) surface is associated with the appearance of a new dangling-bond center at... (Read more)Si SiO2| EPR STM/AFM/SPM| Oxygen Pb Ps0 Ps1 Silicon dangling-bond interface surface .inp files: Si/surface(111) | last update: Masatoshi Sasaki
- 9. Phys. Rev. Lett. 85, 2324-2327 (2000) , “Fast Diffusion of H and Creation of Dangling Bonds in Hydrogenated Amorphous Silicon Studied by in situ ESR”, U. K. Das, T. Yasuda, and S. YamasakiThe interaction of atomic hydrogen with a-Si:H films was studied by means of in situ ESR during H plasma treatment. H diffuses into the a-Si:H film and creates additional Si dangling bonds (∼1013 cm -2). We observed a high diffusion coefficient (>10-10 cm... (Read more)
- 10. Appl. Phys. Lett. 70, 1137 (1997) , “In situ electron-spin-resonance measurements of film growth of hydrogenated amorphous silicon”, Satoshi Yamasaki, Takahide Umeda, Junichi Isoya, and Kazunobu TanakaIn situ electron-spin-resonance (ESR) measurements of film growth of hydrogenated amorphous silicon (a-Si:H) using a remote hydrogen plasma technique have been performed. The Si dangling-bond signal in a-Si:H during and after deposition has been detected, in addition to the... (Read more)
- 11. Phys. Rev. 170, 705 (1968) , “Electron Paramagnetic Resonance from Clean Single-Crystal Cleavage Surfaces of Silicon”, D. Haneman.EPR measurements have been made on aligned cleavage faces of Si, prepared and studied in high vacuum (<10-9 Torr). The signal, observable after accumulation, is a single line at g=2.0055 with width 6 G, similar to that from vacuum-crushed powders. It is unaffected by oxygen exposures... (Read more)
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Updated at 2010-07-20 16:50:39
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