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Measurement of the ortho-positronium confinement energy in mesoporous thin films
ortho-positronium mesoporous thin films
2010/3/15
In this paper, we present measurements of the ortho-positronium emission energy in vacuum from mesoporous films using the time of flight technique. We show evidence of quantum mechanical confinement i...
Influence of the Substrate Bias Voltage on the Crystallographic Structure and Surface Composition of Ti6A14V Thin Films Deposited by rf Magnetron Sputtering
Sputtering Bias Steel
2010/9/29
In this work, the influence of the substrate bias on the crystalline structure and surface composition of Ti6Al4V thin films prepared by rf magnetron sputtering were studied. Samples were grown onto t...
Preparation and Study of the Structural, Optical and Electrical Properties of Cu(In,Ga)Se2 Thin Films
CIGS thin films absorber material solar cell optical properties band gap electrical properties
2010/4/9
Thin film samples of Cu(In,Ga)Se2 (CIGS) were prepared at room temperature by physical vapor deposition (PVD) technique using resistive heating method onto soda lime glass substrates. Deposition condi...
Effect of Thermal Annealing on the Band GAP and Optical Properties of Chemical Bath Deposited ZnSe Thin Films
Chemical bath Deposition ZnSe Thin film band gap Solar Cells
2010/4/9
Zinc selenide (ZnSe) thin films were deposited on glass substrate using the chemical bath deposition method at room temperature from aqueous solutions of zinc sulphate and sodium selenosulfate in whic...
Composition Dependence of Photoconductivity in Amorphous Thin Films of Se.80-xTe.20Gex
Chalcogenide Glasses Photoconductivity Amorphous Thin films
2010/4/12
The present paper reports the dependence on composition of photoconductivity in vacuum evaporated thin films of amorphous Se.80-xTe.20Gex (x = .05, .10, .15 and .20). Temperature dependence of conduct...
Compositional Dependence of Properties of rf-Sputtered Bi-Sr-Ca-Cu-O thin Films
rf-Sputtered Bi-Sr-Ca-Cu-O transition temperature
2010/4/19
Compositional dependence of superconducting transition temperature (Tc) of Bi2Sr3-xCaxCu2O8+x thin films grown by rf sputtering on single crystal MgO substrates has been investigated. Films have been ...