optical-absorption edge
Raman scattering and optical absorption edge studies of CuInP2S6 and CuInP2(S0.95Se0.05)6 layered ferrielectrics
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Optical absorption edge anomalies at superionic phase transition in Cu6PSe5Br crystals
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One step synthesis of PbSe ZnSe composite thin film
... depicts optical absorption spectra for the PbSe-ZnSe composite thin ...the absorption edge. At a 0 mol% PbSe, the optical absorption edge of ZnSe is clearly observed at ...
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Structural Characterization of Poly(vinylidene fluoride- Chlorotrifluoroethylene) Thin Films
... the optical absorbance and t is the thickness of the polymer composite thin ...The optical band gap for pure PVDF and PVDF-CTFE composite films can be obtained by taking into account the linear portion of ...
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Organizational Accessibility and Community Connections: Examining Changes in the Spatial Proximity of Pubic Housing Residents to Social Service Providers and Providers' Responses to Redevelopment
... and optical absorption of InN grown by MBE, MOCVD, and ...the optical absorption edge for epitaxial material does not follow the Moss-Burstein effect 12,50 for InN samples grown by ...
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Characterization of Aluminum Doped Zinc Oxide (Azo) Thin Films Prepared by Reactive Thermal Evaporation for Solar Cell Applications
... The optical measurements were simulated using SCOUT 98 software to determine optical constants and optical bad gap of the thin ...The optical properties in these films were varied by varying ...
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The Effect of Fluorine Doping on the Characteristic Behaviour of CdTe
... the absorption edge, coupled with a reduction in the bandgap energy was ...the optical absorption edge and also an increase in the optical bandgap [4], ...the optical ...
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Dispersion of optical activity and absorption in Pb5Ge3O11:Cu2+ crystals
... the optical activity has been studied mainly for the wavelength of He-Ne laser ( λ = ...the optical activity in Pb 5 Ge 3 O 11 :Cu 2+ crystals has testified that the optical rotatory power at ...
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Measurement of non linear optical coefficients of chalcogenide glasses near the fundamental absorption band edge
... in optical glasses, the non-linear coefficients of refraction and absorption are basic parameters, which govern a high-intensity laser pulse energy deposition into a glass sample and final refractive index ...
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Investigation of the Effect of Film Thickness and Heat Treatment on the Optical Properties of TeSeSn Thin Films
... rated bonds present in amorphous materials. It is known that unsaturated bonds are produced as a result of an insufficient number of atoms deposited on the amorphous films [20]. These bonds are responsible for the forma- ...
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Factors affecting electroplated semiconductor material properties: The case study of deposition temperature on cadmium telluride
... The optical characterization depicts that the CdTe samples show comparable absorbance and a resulting bandgap of ...the absorption edge slope towards lower deposition temperatures were also ...
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Graphene based optical modulators
... In 2011, Liu et al. first experimentally demonstrated a GOM by integrating a monolayer graphene sheet on a Si waveguide as shown in Figure 3a [7]. The waveguide propagates light and graphene will offer absorption. ...
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Characteristics Studies On Multilayer Thin Film In Cbd For Photovoltaic Solar Cell Material
... In optical communication systems multilayer thin film coating materials is used in several applications and performing many functions such as antireflection coatings, frequency division multiplexing filters, ...
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Characterization and Comparison of Visible Light Active Fe-Doped and N-doped TiO
... amount. But in the N-doped sample, the absorption edge does not increase by dopant amount changing. The absorption edge of N-1.5 sample relies on visible light region only. It might be due to ...
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Enhanced Sol-Gel Route to Obtain a Highly Transparent and
... absorption edge and the band-gap energies are marked out with solid dots. A summary of observed values for the optical properties of Group B samples after the 295.. additi[r] ...
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Optical Properties, Electronic Structures and High Pressure Study of Nanostructured One Dimensional Titanium Dioxide by Synchrotron Radiation and Spectroscopy
... Following an absorption event, the atom is said to be in an excited state, with one of the core electron levels left empty (a so-called core hole), and a photo-electron. The excited state will eventually decay ...
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Influence of gamma ray irradiation on optical and thermal degradation of poly (ethyl methacrylate) (PEMA) polymer
... X-ray diffraction (XRD) patterns were recorded using Shimadzu diffractometer XRD-6000 x-ray diffraction spectrometer with a copper target (λ = 1.542 Å) at oper- ating voltage of 40 kV and an electric current of 30 mA. ...
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Band gap tuning and structural engineering of TIO₂ for photocatalysis and solar cells.
... of absorption edges around 350 nm were a bit smaller than 387 nm of bulk material, revealing a widening of band gaps which was mainly attributed to the low crystallization degree of thin films because of rapid ...
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Properties of Home Made Spin Coated TiO2 Thin Film
... A typical process involves depositing a small puddle of liquid resin onto the centre of a substrate and then spinning the substrate at a very high speed. Centripetal acceleration will cause most of resin to spread to, ...
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Study Of Some Physical And Optical Properties Of Bi
... (x=0, 5, 10 and15mol %)were fabricated by conventional melt-quenching technique. We have fabricated from high-purity raw materials by the melting 950 ºC and then annealing at350 ºC .The main objective of the present ...
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