UCC IR: Recent submissions

  • Twum, A.; Mensah, S. Y.; Mensah, N. G.; Dompreh, K. A.; Abukari, S.S.; Rabiu, M. (University of Cape Coast, 2012-08-04)
    An investigation of laser stimulated thermal conductivity in chiral CNT is presented. The thermal conductivity of a chiral CNT is calculated using a tractable analytical approach. This is done by solving the Boltzmann ...
  • Twum, Anthony; Mensah, Samuel Yeboah; Edziah, Raymond; Arthur, Augustine (University of Cape Coast, 2020-07-10)
    Using the Boltzmann transport equation within the semi-classical approximation with constant relaxation time, we theoretically studied the dynamics of electrons in chiral single wall nanotubes (SWNTs)subjected to a temperature ...
  • Abnory, Maclean Moses (University of Cape coast, 2020-09)
    This study sought to assess the existing customer care practices in two selected public university hospitals in Ghana. Specifically, it explored the customer care experiences of patients, assessed the satisfaction of ...
  • Fuseini, Abdul-Razak (University of Cape coast, 2020-07)
    The analysis of electric field strengths and power densities at one hundred and fifty (150) Fourth Generation Long Time Evolution (4G LTE) base stations in three urban and densely populated regions of the southern part of ...
  • Dabuo, Wilson (University of Cape Coast, 2020)
    The histories of the Northern territories, present-day Northern, Savannah, North East, the Upper East and Upper West regions have had a great deal of attention by scholars. This conclusion is based on a broad review of ...
  • Ishiekwene, G.C.; Mensah, S.Y.; Brown, C.S. (University of Cape Coast, 2004-09)
    An intensity-dependent caange in the ellipticity of an input light beam leads to a characteristic shift in polarization instability. Dichroism gives rise to a self-induced ellipticity effect in the polarization state of ...
  • Tatchie, Ebenezer T.; Langehanenberg, Patrik; Kemper, Björn; Buah-Bassuah, P.K.; Bally, Gert von (University of Cape Coast, 2007)
    Electronic Speckle Pattern Interferometry (ESPI) is a holographic interferometric non-contact optical technique used to measure in-plane and out-of-plane object displacements. This optical method was adopted to measure ...
  • Mensah, S.Y.; Allotey, F.K.A.; Mensah, N.G.; Twum, A.K. (University of Cape Coast, 1995-10)
    Excitation of soliton in superlattice has been investigated theoretically. It is noted that the soliton velocity u and the length L depend on the amplitude Eo and that an increase in the amplitude causes soliton width L ...
  • Mensah, S.Y.; Dikande, A.M.; Allotey, F.K.A.; Mensah, N.G. (University of Cape Coast, 1999-09)
    Propagation of large-amplitude electromagnetic fields and their interactions with small-amplitude waves in finite superlattices are considered in the framework of the sine-Gordon theory. Finite-size effects result in ...
  • Ferraro, Pietro; Miccio, Lisa; Grilli, Simonetta; Meucci, Riccardo; Nicola, Sergio De; Buah-Bassuah, Paul (University of Cape Coast, 2014)
  • Sakyi-Arthur, Daniel; Mensah, Samuel Y.; Adu, Kofi W.; Dompreh, Kwadwo A.; Edziah, Raymond; Mensah, Natalia G.; Jebuni-Adanu, Cynthia (University of Cape Coast, 2020-05-12)
    We show that Hall-like current can be induced by acoustic phonons in a nondegenerate, semiconductor fluorine-doped single-walled carbon nanotube (FSWCNT) using a tractable analytical approach in the hypersound regime q ...
  • Shmelev, G M; Mensah, S Y; Tsurkan, G I (University of Cape Coast, 1988)
    Short-wave sound absorption propagating along the axis of a semiconductor superlattice by electrons of the lowest miniband in a non-quantised electric field is investigated theoretically. The mechanism of the attenuation ...
  • Dompreh, K. A.; Mensah, N. G.; Mensah, S. Y.; Abukari, S. S.; Sam, F.; Edziah, R. (University of Cape Coast, 2015)
    Absorption of acoustic phonons was studied in degenerate Carbon Nanotube (i.e. where the electrons are found close to the Fermi level). The calculation of the hypersound absorption coefficient (Γ) was done in the regime ...
  • Rabiu, M.; Mensah, S. Y.; Seini, I. Y.; Abukari, S. S. (University of Cape Coast, 2018)
    We undertake a theoretical study of edge spin-vortex excitations in fractional quantum Hall fluid. This is done in view of quantised Euler hydrodynamics theory. The dispersions of true excitations for fractions within 0 ≤ ...
  • Amekpewu, M.; Mensah, S. Y.; Musaha, R.; Mensah, N. G.; Abukari, S. S.; Dompreh, K. A. (University of Cape Coast, 2015)
    Hot electrons injection in carbon nanotubes (CNTs ) where in addition to applied dc field (E), there exist simultaneously a quasi-static ac electric field (i.e. when the frequency ω of ac field is much less than the ...
  • 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 ...
  • Edziah, Raymond (University of Cape Coast, 2019-03-30)
    This study reports z-scan measurements in which high-repetition-rate and reduced repetition-rate (pulse-picked) laser beams were employed using a standard sample, carbon disulfide (CS2) contained in supposedly high ...
  • Amekpewua, M.; Mensah, S. Y.; Musah, R.; Mensah, N. G.; Abukari, S. S.; Dompreh, K. A. (University of Cape Coast, 2015)
    High frequency conductivity of hot electrons in undoped single walled achiral carbon nanotubes (CNTs) under the influence of ac-dc driven fields is considered. We investigated semi classically by solving the Boltzmann’s ...
  • Abukari, S. S.; Mensah, S. Y.; Mensah, N. G.; Adu, K. A.; Rabiu, M.; Twum, A. (University of Cape Coast, 2012-12-05)
    We report on theoretical analysis of high frequency conductivity in carbon nanotubes. Using the kinetic equation with constant relaxation time, an analytical expression for the complex conductivity is obtained. The real ...
  • Mensah, S. Y.; Allotey, F. K. A.; Nkrumah, G.; Mensah, N. G. (University of Cape Coast, 2000)
    The ground state energy of a polaron in a superlattice was calculated using the double-time Green functions. The effective mass of the polaron along the lanes perpendicular to the superlattice axis was also calculated. The ...