Browsing Rektörlüğe Bağlı Bölümler by Publisher "ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD"
Now showing items 21-40 of 48
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The hydrostatic pressure and temperature effects on hydrogenic impurity binding energies in lattice matched InP/In0.53Ga0.47As/InP square quantum well
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2017)The on-center shallow-donor impurity binding energy in lattice matched InP/In0.53Ga0.47As square quantum well structure have been theoretically investigated using effective mass and variational techniques. The effects of ... -
The hydrostatic pressure and temperature effects on the binding energy of magnetoexcitons in cylindrical quantum well wires
(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 ... -
Images of buried graves in Bayat, Afyon (Turkey) from high-resolution magnetic data and their comparison with preliminary excavations
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2007)Dedemezari necropolis, the site of our study, is located in the west of Turkey near Afyon. Archaeologists think that it belongs to the Middle Bronze age. A high-resolution magnetic survey identified buried material highly ... -
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 ... -
Optical intersubband transitions in double Si delta-doped GaAs under applied magnetic field (vol 46, pg 752, 2009)
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2010)… -
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 ...