Browsing by Author "Karki, H. D."
Now showing items 1-7 of 7
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Barrier height effect on binding energies of shallow hydrogenic impurities in coaxial GaAs/AlxGa1-xAs quantum well wires under a uniform magnetic field
Karki, H. D.; Elagoz, S.; Baser, P.; Amca, R.; Sokmen, I. (ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD, 2007)The ground state binding energies of axial hydrogenic impurities in a coaxial cylindrical quantum well wire are reported as a function of the barrier height and the radius of wire in the presence of a uniform magnetic field ... -
The effect of dielectric constant mismatch on the binding energy of hydrogenic impurities in cylindrical quantum wires
Karki, H. D.; Elagoz, S.; Amca, R.; Baser, P.; Atasever, K. (ELSEVIER SCIENCE BV, 2010)The ground state binding energy dependency of hydrogenic impurities on dielectric constant mismatch is investigated in cylindrical quantum wires as a function of wire radius and alloy concentration. The calculations are ... -
The high hydrostatic pressure effect on shallow donor binding energies in GaAs-(Ga, Al)As cylindrical quantum well wires at selected temperatures
Karki, H. D.; Elagoz, S.; Baser, P. (ELSEVIER SCIENCE BV, 2011)We have presented the behavior of a shallow donor impurity with binding energy in cylindrical-shaped GaAs/Ga(0.7)Al(0.3)As quantum well wires under high hydrostatic pressure values. Our results are obtained in the effective ... -
Hydrogenic impurity states in zinc-blende InxGa1-xN/GaN in cylindrical quantum well wires
Baser, P.; Elagoz, S.; Kartal, D.; Karki, H. D. (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2011)Within the framework of effective-mass approximation, the binding energy of a hydrogenic donor impurity in zinc-blende (ZB) InxGa1-xN/GaN cylindrical quantum well wires (CQWWs) is investigated using variational procedures. ... -
The hydrostatic pressure and temperature effects on the binding energy of magnetoexcitons in cylindrical quantum well wires
Baser, P.; Karki, H. D.; Demir, I.; Elagoz, S. (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2013)We have calculated the binding energy for the ground state of a heavy-hole exciton in GaAs/Ga0.7Al0.3As cylindrical quantum well wires (CQWWs) under the action of a hydrostatic pressure, temperature and magnetic field. The ... -
The magnetoexciton binding energy dependency on aluminium concentration in cylindrical quantum wires
Elagoz, S.; Karki, H. D.; Baser, P.; Sokmen, I. (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2009)A calculation of the binding energy of an exciton confined in cylindrical quantum wires of GaAs surrounded by (Ga, Al) As in the presence of a uniform magnetic field is reported as a function of wire radius, potential ... -
Simultaneous effects of hydrostatic pressure and temperature on the binding energy of hydrogenic impurity in cylindrical quantum well wires
Karki, H. D.; Elagoz, S.; Baser, P. (ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2010)The effect of hydrostatic pressure and temperature on the ground state binding energy of hydrogenic impurities is investigated in a GaAs/Ga(0.7)Al(0.3)As cylindrical quantum well wire as a function of the wire radius. The ...