hydrogenated amorphous silicon films
Effect of Femtosecond Laser Radiation on the Structure and Conductivity of Boron Doped Amorphous Hydrogenated Silicon
... thin a-Si:H films. Appl. Phys. A, 2007; 89: 663. 12. A.V. Emelyanov , A.G. Kazanskii, P.K. Kashkarov , P.A. Forsh, M.V. Khenkin, O.I. Konkov, E.I. Terukov, A.V. Kukin, M. Beresna, P. Kazansky Effect of the ...
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Study of ICP-CVD grown Amorphous and Microcrystalline Silicon thin films in HIT structure
... crystalline silicon wafer using vacuum deposition ...microcrystalline silicon and hydrogenated amorphous silicon were deposited by inductively coupled plasma chemical vapour deposition ...
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Amorphous Nanocrystalline Transition in Silicon Thin Films Obtained by Argon Diluted Silane PECVD
... The hydrogenated nanocrystalline silicon (nc-Si:H) has gained much attention over amorphous silicon (a-Si:H). The light-induced degradation of a-Si:H, also named Sta- bler-Wronski effect ...
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Understanding the hydrogen and oxygen gas pressure dependence of the tribological properties of silicon oxide-doped hydrogenated amorphous carbon coatings
... studied hydrogenated amorphous carbon films under HV and in presence of hydrogen or in dry ...free amorphous carbon films in presence of OH-containing ...
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Understanding And Improving The Environmental Dependent Tribology And Thermal Stability Of Hydrogenated Amorphous Carbon By Using Silicon And Oxygen As Dopants
... For the work in this thesis, several a-C:H:Si:O samples with different compositions were investigated. Two different a-C:H:Si:O samples were purchased from Sulzer Metco (now Oerlikon Balzers, Pf¨ affikon, Switzerland). ...
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Efficient visible luminescence of nanocrystalline silicon prepared from amorphous silicon films by thermal annealing and stain etching
... nanocrystalline silicon (nc-Si) were prepared from hydrogenated amorphous silicon (a-Si:H) by using rapid thermal ...nc-Si films were subjected to stain etching in hydrofluoric acid ...
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Density of States in Intrinsic and n/p Doped Hydrogenated Amorphous and Microcrystalline Silicon
... different substrate temperatures. Prior to the deposition phase, the pressure and RF power were varied and the partial pressure of doping gas was taken at selected val- ues from 0.5% to 1.5%. The parameters of deposition ...
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Fabrication and Analysis of Carbon Doped Hydrogenated Amorphous Silicon Thin Film Transistors
... Radio frequency Plasma Enhanced Chemical Vapour Deposition (RF-PECVD) technique is used to deposit Si3N4 and a-SiC: H thin films. The system consists of 5 individual process chambers supported by magnetic arms and ...
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THE EFFECT OF HYDROGEN CONCENTRATION ON REFRACTIVE INDEX AND OPTICAL GAP IN HYDROGENATED AMORPHOUS SILICON
... the hydrogenated amorphous silicon (a- Si:H) has been widely used to fabricate low cost large area solar ...polycrystalline silicon wafers is considerably improved when annealed in hydrogen at ...
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New Numerical Method to Calculate the True Optical Absorption of Hydrogenated Nanocrystalline Silicon Thin Films
... of hydrogenated nanocrystalline silicon thin ...nanocrystalline silicon samples depos- ited at low pressure which have a low surface roughness is due mainly to the included heterogeneities (nanocrys- ...
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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)
... of hydrogenated amorphous silicon (a-Si:H) thin films and to acquire better understanding of this material by characterisation techniques using surface profiler, atomic force microscopy (AFM), ...
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Magnetostriction in Amorphous Co66Fe34 Microcantilevers Fabricated with Hydrogenated Amorphous Silicon
... thin films, it is possible to tailor the resonant behavior of miniaturized mechanical systems by controlling the surface stress originated by the magnetostrictive ...
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Calculation of the Shunt Resistance across the Absorber Layer of Hydrogenated Amorphous Silicon Photovoltaic Cells
... a-Si:H films have high optical absorption constant in the visible range of the solar spectrum [14] since the photon energies within this range are absorbed by direct transition of the electrons from the occupied ...
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Hydrogenated amorphous silicon photonics
... obtained for the three bi-layers sample (L = 1.2 cm) and a modulation depth of 27% is obtained for the six bi-layers sample (L = 1.5 cm). The effective absorption co-efficient (∆α) was measured to be 0.11, 0.18 and 0.21 ...
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The Optical Response of Hydrogenated Amorphous Silicon
... crystalline silicon (c- Si), the material which dominates conventional electronics, can not be deposited over large areas, alternate electronic materials must be employed instead for large area electron device ...
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Field Electron Emission from a CNx:H Films Formed on Al Films Using Supermagnetron Plasma CVD
... of amorphous carbon films have attracted considerable attention due to their promising applicability to cold-cathode materials in future-generation high-performance electronic devices, such as display ...
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Pulsed Supermagnetron Plasma CVD of a CNx:H Electron Transport Films for Au/a CNx:H/p Si Photovoltaic Cells
... a 2.5-kHz pulse frequency and a duty ratio (defined as the ratio of pulse on-time to total cycle time) of 12.5%, in the case of supermagnetron plasma CVD, the substrate was cooled stably and relatively hard and ...
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Dual gratings for enhanced light trapping in thin film solar cells by a layer transfer technique
... polycrystalline silicon will benefit more from our approach, as the propagation length is longer; in contrast, in a:Si, a significant fraction of the incoming light is already absorbed in a single ...
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Crystallization of amorphous silicon thin films deposited by PECVD on nickel metalized porous silicon
... porous silicon after immersion in Ni solution and to show in which form Ni is depos- ited on the porous ...porous silicon after immersion in Ni solution are the same as those observed in pure porous ...
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Improved conversion efficiency of amorphous Si solar cells using a mesoporous ZnO pattern
... From the optical properties of the four AZO substrate types shown in Figure 4, it is clear that their reflectance values are almost comparable to, or slightly less than, the reference sample. The slightly reduced ...
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