Browsing Rektörlüğe Bağlı Bölümler by Author "Elagoz, S."
Now showing items 21-35 of 35
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Linear and nonlinear optical absorption coefficient and electronic features of triple GaAlAs/GaAs and GaInAs/GaAs quantum wells depending on barrier widths
Ozturk, O.; Ozturk, E.; Elagoz, S. (ELSEVIER GMBH, 2019)In the present work, the effect of the barrier widths (BWs) on the linear and nonlinear optical absorption coefficient (OAC) and the electronic features of asymmetric triple Ga1-xAlxAs/GaAs (A structure) and Ga1-xInxAs/GaAs ... -
Linear and nonlinear optical properties of asymmetric triple quantum wells under intense laser field
Ozturk, O.; Ozturk, E.; Elagoz, S. (IOP PUBLISHING LTD, 2019)For asymmetric triple quantum wells (ATQW) the linear and nonlinear optical absorption coefficient (OAC) and the optical refractive index change (ORIC) are analyzed according to the intense laser field (ILF). The obtained ... -
Magnetoexciton binding energies for parabolic confinement in cylindrical quantum wire structures
Elagoz, S.; Kutlu, S.; Amca, R.; Sokmen, I. (ELSEVIER SCIENCE BV, 2008)In this work, using the effective mass approximation within variational approach, we have studied the behavior of the excitonic binding energies in a cylindrical quantum wire with a parabolic confinement under the effect ... -
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 ... -
Microstructural Evolution of MOVPE Grown GaN by the Carrier Gas
Demir, I.; Altuntas, I.; Kasapoglu, A. E.; Mobtakeri, S.; Guer, E.; Elagoz, S. (PLEIADES PUBLISHING INC, 2018)We report the effect of total carrier gas flow of GaN during both GaN nucleation layer and high temperature GaN growth steps on structural, optical, electrical and morphological properties. The formation of dislocations ... -
Modeling of reflectance properties of ZnO film using artificial neural networks
Yuksek, A. G.; Tuzemen, E. Senadim; Elagoz, S. (NATL INST OPTOELECTRONICS, 2015)A ZnO thin film was prepared on a p-Si (100) substrate by using a pulsed filtered cathodic vacuum arc deposition system (PFCVAD). Specular reflectance, a nondestructive technique, can be used to measure thickness, refractive ... -
Nonlinear Optical Rectification, Second and Third Harmonic Generations in Square-Step and Graded-Step Quantum Wells under Intense Laser Field
Ozturk, O.; Ozturk, E.; Elagoz, S. (IOP PUBLISHING LTD, 2019)For square-step quantum wells (SSQWs) and graded-step quantum wells (GSQWs), the nonlinear optical rectification (NOR), second harmonic generation (SHG) and third harmonic generation (THG) coefficients under an intense ... -
The Retrospective Annual Surgical Incidence of Cystic Echinococcosis in Sivas, Turkey
Gonlugur, U.; Ozcelik, S.; Gonlugur, T. E.; Arici, S.; Celiksoz, A.; Elagoz, S.; Cevit, R. (WILEY-BLACKWELL PUBLISHING, INC, 2009)Cystic echinococcosis is an important public health problem in our region. The aim of this study was to assess the surgical incidence of cystic echinococcosis in Sivas, Turkey. A retrospective follow-up study was carried ... -
Sandwich method to grow high quality AlN by MOCVD
Demir, I.; Li, H.; Robin, Y.; McClintock, R.; Elagoz, S.; Razeghi, M. (IOP PUBLISHING LTD, 2018)We report pulsed atomic layer epitaxy growth of a very high crystalline quality, thick (similar to 2 mu m) and crack-free AlN material on c-plane sapphire substrates via a sandwich method using metal organic chemical vapor ... -
Shallow impurity binding energy in lateral parabolic confinement under an external magnetic field
Elagoz, S.; Amca, R.; Kutlu, S.; Sokmen, I. (ACADEMIC PRESS LTD ELSEVIER SCIENCE LTD, 2008)We have described the calculation of hydrogenic impurity binding energies in cylindrical GaAs-Ga(1-x)Al(x)As quantum well wires (QWWs) with lateral parabolic confinement in the presence of an axial magnetic field. The ... -
Simulation of Highly Reflective GaN/AlxGa1-xN Distributed Bragg Reflector Structure for UV-Blue LEDs
Alaydin, B. O.; Altuntas, I.; Tuzemen, E. Senadim; Elagoz, S. (AMER SCIENTIFIC PUBLISHERS, 2018)In this study, we showed theoretically enhanced reflectance characteristics of nitride based blue Light Emitting Diode (LED) by adding GaN/AlxGa1-xN Distributed Bragg Reflector (DBR) between n-contact layer and GaN buffer ... -
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 ... -
STUDY ON POLYMORPHISM AND ACTIVITIES OF GSTM1 AND CYP1A1 GENES IN CONNECTION WITH VARIOUS CANCER TYPES IN TURKEY POPULATION
Vural, H. C.; Turaclar, N.; Elagoz, S. (TAYLOR & FRANCIS LTD, 2010)The metabolism of drugs and chemical carcinogens involves a variety of isoenzymes such as members of the Cytochrome P450 (CYP) and Glutathione S-transferase (GSTs) families, with polymorphisms described in these genes ... -
The value of fine-needle aspiration cytology in salivary gland lesions, 1994-2004
Elagoz, S.; Gulluoglu, M.; Yilmazbayhan, D.; Ozer, H.; Arslan, I. (KARGER, 2007)Objective: Fine-needle aspiration cytology (FNAC) of the salivary gland is a commonly accepted, sensitive and specific technique in the diagnosis of both neoplastic and nonneoplastic lesions of the salivary gland. The aim ...