Hydrogenated amorphous silicon
Hydrogenated amorphous silicon photonics
... Title Hydrogenated Amorphous Silicon Photonics Silicon Photonics is quickly proving to be a suitable interconnect technology for meeting the future goals of on-chip bandwidth and low power ...
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Microstructure, Vacancies and Voids in Hydrogenated Amorphous Silicon
... However, a number of clustered hydrogen atoms is slightly less than that of NRL sample at 10 at.% hydrogen concentration. Similarly, they are slightly greater than NRL sample at 14 at.% concentration.On the other hand, ...
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Monte-Carlo simulation of hydrogenated amorphous silicon growth
... H bond to create a dangling bond (Si–). A second SiH 3 then also adsorbs, diffuses around and adds to this dangling bond to give growth. Some molecular dynamics simulations (Tats- uya et al., 1995) of hydrogenated ...
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Hole-mobility-limiting atomic structures in hydrogenated amorphous silicon
... Hole-mobility-limiting atomic structures in hydrogenated amorphous silicon Eric Johlin, * C. B. Simmons, Tonio Buonassisi, and Jeffrey C. Grossman Massachusetts Institute of Technology, Cambridge, ...
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Review on Se-and S-doped hydrogenated amorphous silicon thin films
... 2014 Hydrogenated amorphous silicon thin films manufactured by plasma deposition techniques are widely used in electronic and optoelectronic ...doped hydrogenated amorphous ...
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Atomistic models of hydrogenated amorphous silicon nitride from first principles
... of hydrogenated amorphous silicon nitride from first principles ...of hydrogenated amorphous silicon nitride 共a-SiN x : H 兲, with equal concen- trations of Si and N atoms 共x=1兲, ...
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Low temperature photoconductivity of hydrogenated amorphous silicon (a-Si:H) thin flims
... of hydrogenated amorphous silicon over the crystalline counterpart such as a continuously adjustable bandgap through alloying with germanium, hydrogen and carbon, large optical absorption coefficient ...
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Fabrication and Analysis of Carbon Doped Hydrogenated Amorphous Silicon Thin Film Transistors
... researched, hydrogenated amorphous silicon (a-Si:H) was chosen as the semiconductor layer, which could be deposited using a Plasma Enhanced Chemical Vapour Deposition technique (PECVD) and has lesser ...
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Laser Fired Aluminum Emitter for High Efficiency Silicon Photovoltaics Using Hydrogenated Amorphous Silicon and Silicon Oxide Dielectric Passivation
... Thickness Hydrogenated amorphous silicon, while possessing excellent c-Si passivation properties, has a direct-like band gap of ...the amorphous layer are less likely to be separated and ...
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Calculation of the Shunt Resistance across the Absorber Layer of Hydrogenated Amorphous Silicon Photovoltaic Cells
... of hydrogenated amorphous silicon as a uniform resistance a cross the absorber layer (i- layer), our paper calculates the shunt resistance of a-Si:H PV cells as a function of the location across the ...
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Comprehensive analysis of passive generation of parabolic similaritons in tapered hydrogenated amorphous silicon photonic wires
... silica, silicon shows much higher ...in silicon fibers 16 and silicon photonic wires 17 ...of silicon at the telecom band. Hydrogenated amorphous silicon (a-Si:H), which ...
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Enhanced Photoelectrical Response of Hydrogenated Amorphous Silicon Single Nanowire Solar Cells by Front Opening Crescent Design
... hydrogenated amorphous silicon (a-Si:H) single-nanowire solar cells (SNSCs) by engineering the cross section of the nanowire from circular into a front-opening crescent ...
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Optimization of hydrogenated amorphous silicon germanium thin films and solar cells deposited by hot wire chemical vapor deposition
... studies hydrogenated amorphous silicon germanium films, deposited by hot wire chemical vapor de- position, to be used as low band gap absorber material in thin film solar ...
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A first principles analysis of the effect of hydrogen concentration in hydrogenated amorphous silicon on the formation of strained Si-Si bonds and the optical and mobility gaps
... of hydrogenated amorphous silicon generated from molecular dynamics with density functional theory calculations to examine how the atomic geometry and the optical and mobility gaps are influenced by ...
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Structural properties of hydrogenated amorphous silicon (A-SI:H) thin film grown via radio frequency plasma enhanced chemical vapor deposition (RF PECVD)
... 5.2 Recommendation In this study, the hydrogenated amorphous silicon thin films were prepared under different rf powers and substrate temperatures. For future works, it is suggested that imposing ...
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The Optical Response of Hydrogenated Amorphous Silicon
... tical absorption coefficient, α, depends on the photon energy, ~ ω, i.e., α ( ~ ω). From the spectral dependence of the optical absorption coefficient, insights into the char- acter of these materials may be gleaned. In ...
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Theoretical studies of amorphous silicon and hydrogenated amorphous silicon with molecular dynamics simulations
... As recognized in previous studies [26, 34], an important requirement in growing epitaxial films from cluster deposition is that each impinging cluster should dissociate and spread[r] ...
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Magnetostriction in Amorphous Co66Fe34 Microcantilevers Fabricated with Hydrogenated Amorphous Silicon
... films, amorphous silicon microcantilevers were prepared by surface micromachining, and the 136 nm-thick magnetostrictive film was deposited by electron beam physical vapor deposition and patterned on top of ...
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Experimentally Constrained Molecular Relaxation: The Case of Hydrogenated Amorphous Silicon
... ation 共ECMR兲 method 4 which we have recently developed and applied to glassy GeSe 2 . In conclusion, we apply ECMR to hydrogenated amor- phous silicon. The importance of this approach is its simul- taneous ...
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THE EFFECT OF HYDROGEN CONCENTRATION ON REFRACTIVE INDEX AND OPTICAL GAP IN HYDROGENATED AMORPHOUS SILICON
... The concept of bond polarizabilities has been used to compute refractive index of a-Si:H as a function of hydrogen concentration.. The results obtained have been compared with [r] ...
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