Yayıncı "ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD" Makale Koleksiyonu için listeleme
Toplam kayıt 44, listelenen: 21-40
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InGaN stress compensation layers in InGaN/GaN blue LEDs with step graded electron injectors
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2018)We investigate the effect of InGaN stress compensation layer on the properties of light emitting diodes based on InGaN/GaN multiple quantum well (MQW) structures with step graded electron injectors. Insertion of an InGaN ... -
Intense laser field effects on a Woods-Saxon potential quantum well
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2015)This paper presents the results of the theoretical study of the effects of non-resonant intense laser field and electric and magnetic fields on the optical properties in an quantum well (QW) make with Woods Saxon potential ... -
Inter-sub-band transitions and binding energies of donor impurities in a modulation-doped quantum well in the presence of electric field
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2009)In this study, we have investigated theoretically the effects of the electric field and doping concentration on the optical transitions in a modulation-doped GaAs-AlGaAs quantum well for different well widths. The binding ... -
Intermediate band formation in a delta-doped like QW superlattices of GaAs/AlxGa1-xAs for solar cell design
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2018)It is reported a numerical computation of the local density of states for a delta-doped like QW superlattices of AlxGa1-xAs, as a possible heterostructure that, being integrated into a solar cell device design, can provide ... -
Interruption time effects on InGaAs/InAlAs superlattices of quantum cascade laser structures grown by MOCVD
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2016)We report the growth of high quality InGaAs/InAlAs quantum cascade laser (QCL) structure which composed of superlattices (SLs) and the effects of interruption time between each layer of the SL structure. Inserting an ... -
Intersubband transitions and refractive index changes in coupled double quantum well with different well shapes
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2011)In this study, both the linear intersubband transitions and the refractive index changes in coupled double quantum well (DQW) with different well shapes for different electric fields are theoretically calculated within ... -
Investigation of magnetic surveying data of buried grave jars in Harmanoren Necropolis (Turkey) using linear transformations and analytic signal
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2006)Harmanoren Necropolis is the third biggest excavated necropolis in southwest Anatolia, dating back to 2500 B.C. The individual burials are composed of ceramic jars. The dead bodies were placed in the fetal position in ... -
Investigation of the treatability of molasses and industrial oily wastewater mixture by an anaerobic membrane hybrid system
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2018)In this study, the anaerobic treatability of automotive industry wastewater and its treatment in the subsequent membrane system were examined by using molasses, which is a waste of the sugar industry, as a co-substrate. ... -
The linear and nonlinear intersubband optical absorption coefficients and refractive index changes in a V-shaped quantum well under the applied electric and magnetic fields
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2011)In this study, the changes in the optical absorption coefficients and the refractive index in a V-shaped quantum well have investigated theoretically. Within the effective mass approximation, the electronic structure of ... -
Linear and nonlinear optical absorption in different graded quantum wells modulated by intense laser field
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2012)The laser field dependence of the linear and nonlinear intersubband optical absorption in different graded quantum wells (GQWs) is investigated in the effective mass approximation. Results obtained show that the position ... -
Linear and nonlinear optical properties in a double inverse parabolic quantum well under applied electric and magnetic fields
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2014)In the present work, the effects of electric and magnetic fields on the optical absorption coefficient and refractive index changes associated with intersubband transitions in a GaAs/AlxGa1-xAs double inverse parabolic ... -
The magnetoexciton binding energy dependency on aluminium concentration in cylindrical quantum wires
(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 ... -
Nonlinear intersubband transitions in different shaped quantum wells under intense laser field
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2015)In this study, the intersubband optical absorption coefficients and the refractive index changes are calculated in a square quantum well (SQW), a parabolic quantum well (PQW), a graded quantum well (GQW) and a V-shaped ... -
Nonlinear optical rectification and second-harmonic generation in a semi-parabolic quantum well under intense laser field: Effects of electric and magnetic fields
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2015)The effects of electric and magnetic fields on the nonlinear optical rectification and second harmonic generation coefficients related with intersubband transitions in a semi-parabolic quantum well under intense laser field ... -
Optical intersubband transitions in double Si delta-doped GaAs under an applied magnetic field
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2009)For different applied magnetic fields, the intersubband transitions of double Si delta-doped GaAs structures is theoretically investigated for a uniform donor distribution. The electronic structure has been calculated by ... -
Photoionization cross-section and binding energy of donor impurities in GaAs, Ge and Si quantum wires with infinite barriers
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2009)Within the effective-mass approximation, we have investigated the binding energies of donor impurities as a function of the wire dimensions and the photoionization cross-section for a hydrogenic donor impurity placed on ... -
Rashba spin-orbit coupling effects on the optical properties of double quantum wire under magnetic field
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2016)We investigate the effects of Rashba spin-orbit interaction on the optical absorption coefficients and refractive index changes associated with transitions between the first two lower-lying electronic levels in double ... -
The role of ITO resistivity on current spreading and leakage in InGaN/GaN light emitting diodes
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2017)The effect of a transparent ITO current spreading layer on electrical and light output properties of blue InGaN/GaN light emitting diodes (LEDs) is discussed. When finite conductivity of ITO is taken into account, unlike ... -
Simultaneous effects of hydrostatic pressure and temperature on the binding energy of hydrogenic impurity in cylindrical quantum well wires
(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 ... -
Spin-orbit interaction and magnetic field effects on the energy dispersion of double quantum wire
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2015)We investigate the effects of Rashba spin-orbit interaction on the electronic energy dispersion and zero-temperature ballistic conductance of double quantum wire under the influence,of perpendicular magnetic field. The ...