University of Cape Coast Institutional Repository

Browsing Department of Physics by Author "Owusu, Alfred"

Browsing Department of Physics by Author "Owusu, Alfred"

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  • A composite algorithm for optimized baseline correction in raman spectroscopy 
    Huzortey, Andrew Atiogbe; Anderson, Benjamin; Owusu, Alfred (University of Cape Coast, 2017)
    We propose a novel algorithm for the pre-treatment and recovery of Raman signals from fluorescence contaminated spectra. This algorithm combines the second derivative and iterative smoothening routines for optimized spectral ...
  • Direct current generation in carbon nanotubes by terahertz field 
    Abukari, Sulemana S; Sam, Frederick; Mensah, Samuel Y.; Mensah, Natalia G.; Musah, Rabiu; Twum, Anthony; Amoah, Patrick M.; Owusu, Alfred (University of Cape Coast, 2016-02-29)
    We report on a theoretical investigation of a direct current generation in carbon nanotubes (CNTs) that are stimulated axially by terahertz (THz) field. We consider the kinetic approach based on the semiclassical Boltzmann’s ...
  • High-Frequency Electric Field Induced Nonlinear Electron Transport in Chiral Carbon Nanotubes 
    Abukari, Sulemana S.; Mensah, Samuel Y.; Rabiu, Musah; Adu, Kofi W.; Mensah, Natalia G.; Twum, Anthony; Owusu, Alfred; Dompreh, Kwadwo A.; Mensah-Amoah, Patrick; Amekpewu, Matthew (University of Cape Coast, 2015-11-24)
    We investigate theoretically the high frequency complex conductivity in carbon nanotubes that are stimulated axially by a strong inhomogeneous electric field of the form Et t ) . Using the kinetic approach based on ...
  • Spectroscopic study of uv transparency of some materials 
    Sackey, Samuel S.; Vowotor, Michael K.; Owusu, Alfred; Mensah-Amoah, Patrick; Tatchie, Ebenezer T.; Sefa-Ntiri, Baah; Hood, Christiana O.; Atiemo, Sampson M. (University of Cape Coast, 2015)
    Elevated exposure to Ultra-Violet Radiation (UVR) from the sun has led to adverse effects on human skin and foods, and therefore, the need for materials that offer resistance to Ultra-Violet (UV) penetration for protection. ...

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