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  • 1
    Electronic Resource
    Electronic Resource
    Grain boundary scattering in CuInSe2 films (1991)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 70 (1991), S. 841-845 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Electrical conductivity and Hall mobility of CuInSe2 films were measured in the temperature range of 77–400 K. The films were deposited with different Cu/In ratios ranging from 0.7–0.9 and at substrate temperatures of 620–720 K. Effects of grain boundary scattering on the electron transport properties were studied carefully and it was observed that scattering at the grain boundaries is a predominant factor controlling the electron transport properties at lower temperatures while complex scattering mechanisms become operative at higher temperatures. The energy values of trap levels and the densities of trap states were also obtained.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.349644
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  • 2
    Electronic Resource
    Electronic Resource
    Numerical calculation of hybrid magneto-electric states in an electron waveguide (1992)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 71 (1992), S. 3027-3029 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have performed a numerical calculation of the energy dispersion relation of hybrid magneto-electric states (both propagating and evanescent) in an electron waveguide subjected to a magnetic field. Our results are considerably different from those obtained through the Bohr–Sommerfield quantization condition. We have also calculated the density of the magneto-electric states as a function of energy and the velocity versus energy relationships. Finally, we show how the wavefunctions of these states evolve with increasing magnetic field from particle in a box states to edge states. These results are useful in the analysis of numerous recent magnetotransport experiments performed in electron waveguides.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.350985
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  • 3
    Electronic Resource
    Electronic Resource
    Electrical and optical properties of ZnS0.05Se0.95 nanocrystalline thin films (2001)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 90 (2001), S. 5652-5660 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: ZnS0.05Se0.95 nanocrystalline films were deposited onto fused silica and GaAs (100) substrates by the magnetron sputtering technique. The electrical conductivities of the films deposited onto fused silica substrates were measured in the temperature range of 180–300 K. It was observed that the low temperature conductivity could be explained by hopping of the charge carriers in the Coulomb gap while at elevated temperature Mott hopping is the predominant mode of conduction in these films. A distinct cross over from Efros–Shklovoskii to Mott hopping is observed for all the films. Optical spectra were found to be dominated by the combined effects of optical losses due to absorption and scattering. The absorption spectra indicated a blueshift, the extent of which depended on the crystallite size. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1370113
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  • 4
    Electronic Resource
    Electronic Resource
    Axially symmetric metrics from Laplace's seed by inverse scattering method (1997)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 38 (1997), S. 5792-5806 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: Two-soliton solutions of axially symmetric Einstein field equations are presented using two different Laplace's solutions as seed. The derived stationary solutions reduce to some well-known solutions such as Schwarzschild, Kerr, Kerr–Newman–Unti–Tamburino, and Kerns–Wild. The surface geometry of the metrics namely, the location of singularities, event horizon, infinite red shift surface, surface area of the horizon, and Gaussian curvatures are studied. Finally, the generated two-soliton solutions are compared with our previous solutions [Pramana, J. Phys. 40, 277 (1993)], which was obtained by the method of Gutsunaev–Manko [Gen. Relativ. Gravit. 20, 327 (1988)] for the same set of Laplace's solutions as seed. The comparison shows that the solutions generated from the Inverse Scattering Method of Belinskii–Zakharov [Sov. Phys. JETP 48, 985 (1978); 50, 1 (1979)] is more general than the solutions obtained from the method of Gutsunaev–Manko [Pramana, J. Phys. 40, 277 (1993)].© 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.532166
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