Browsing by Author "Terzioglu, C."
Now showing items 1-20 of 29
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Cation size mismatch effect in (La1-yREy)(1.4)Ca1.6Mn2O7 perovskite manganites
Koc, N. Soylu; Altintas, S. P.; Mahamdioua, N.; Terzioglu, C. (Elsevier Science Sa, 2019)The size variance (sigma(2)) that indicates random disorder of cations distributed over the A or B-site, has significant influence on the basic quantities on perovskite manganites. In this study, we investigate the effect ... -
A characterization study on 2,6-dimethyl-4-nitropyridine N-oxide by density functional theory calculations
Yildirim, G.; Zalaoglu, Y.; Kirilmis, C.; Koca, M.; Terzioglu, C. (Pergamon-Elsevier Science Ltd, 2011)This study deals with the identification of a title compound, 2,6-dimethyl-4-nitropyridine N-oxide by means of theoretical calculations. The optimized molecular structures, vibrational frequencies, corresponding vibrational ... -
Density functional theory study on the identification of 3-[(2-morpholinoethylimino)methyl]benzene-1,2-diol
Parlak, C.; Akdogan, M.; Yildirim, G.; Karagoz, N.; Budak, E.; Terzioglu, C. (Pergamon-Elsevier Science Ltd, 2011)This study deals with the identification of a title compound, 3-[(2-morpholinoethylimino)methyl]benzene-1,2-diol by means of quantum chemical calculations. The optimized molecular structures, vibrational frequencies and ... -
Effect of doping by low content of yttrium at Ca and Sr sites of Bi(Pb)-2212 superconducting ceramics
Amira, Abderrezak; Boudjadja, Y.; Saoudel, A.; Varilci, A.; Akdogan, M.; Terzioglu, C.; Mosbah, M. F. (Elsevier, 2011)In this work, a comparative study of the effect of doping bylaw content of Y3+ between (Ca site) and out of (Sr site) the CuO2 planes of Bi(Pb)-2212 phase is presented. Ceramics of Bi1.6Pb0.4Sr2Ca1-xYxCu2O8+d (called CY ... -
Effect of Eu doping on structural and magneto-electrical properties of La0.7Ca0.3MnO3 manganites
Altintas, S. P.; Amira, A.; Mahamdioua, N.; Varilci, A.; Terzioglu, C. (Elsevier Science Sa, 2011)We have investigated the influence of europium (Eu) doping on structural and magneto-electrical properties of La0.7Ca0.3MnO3 compounds. In order to analyze the physical mechanism of a spin disorder system and study their ... -
Effect of Gd addition on the activation energies of Bi-2223 superconductor
Erdem, M.; Ozturk, O.; Yucel, E.; Altintas, S. P.; Varilci, A.; Terzioglu, C.; Belenli, I. (Elsevier Science Bv, 2011)We have investigated the effect of addition of Gd in Bi1.8Pb0.35Sr1.9Ca2.1Cu3GdxOy superconductor with x=0, 0.1, 0.2, 0.3, 0.4 and 0.5. The samples were prepared using the standard solid-state reaction method. The activation ... -
Effect of MgB2 addition on thermal fluxon motions of two-dimensional pancake vortices in Bi-2223 superconducting ceramics
Dogruer, M.; Terzioglu, C.; Yildirim, G. (Elsevier Science Sa, 2017)This study reports the variations of magnetoresistivity performance and pinning ability for the bulk Bi1.8Pb0.4Sr2(MgB2)(x)Ca2.2Cu3.0Oy ceramic materials with the MgB2 addition (0 <= x <= 0.5) in the crystal structure by ... -
The effect of TlF3 substitution on the weak links behaviour and AC susceptibility of Bi1.8-xTlxPb0.35Sr2Ca2Cu3OyF3x superconductors
Saoudel, A.; Amira, A.; Boudjadja, Y.; Mahamdioua, N.; Varilci, A.; Terzioglu, C.; Soylu, N. (Elsevier Sci Ltd, 2018)We have studied the thallium fluoride (TlF3) doping and AC field dependence of the weak links behaviour and AC susceptibility of Bi1.8-xTlxPb0.35Sr2Ca2Cu3OyF3x superconductors with range of x = 0, 0.05, 0.10 and 0.15. The ... -
Effect of zirconium diffusion on the microstructural and superconducting properties of YBa2Cu3O7-delta superconductors
Guner, S. B.; Gorur, O.; Celik, S.; Dogruer, M.; Yildirim, G.; Varilci, A.; Terzioglu, C. (Elsevier Science Sa, 2012)This study reports not only the role of zirconium (Zr) diffusion on the superconducting, physical and microstructural properties of YBa2Cu3O7-delta (Y123) bulk superconductors prepared by the conventional solid-state ... -
Fabrication and Superconducting Properties of Ex-Situ Processed MgB2/Fe Monofilament Tapes without any Intermediate Annealing
Yucel, E.; Terzioglu, C.; Varilci, A.; Gencer, A.; Belenli, I. (Elsevier, 2011)We have investigated the effect of annealing time and temperature on the formation of the MgB2 phase, transition temperature (T-c), lattice parameters (a and c), full width at half maximum (FWHM) of the X-ray diffraction, ... -
Fabrication and Transport Critical Current Densities of MgB2/Fe/Cu Multifilament Tapes without Any Intermediate Annealing
Yucel, E.; Terzioglu, C.; Varilci, A.; Gencer, A.; Belenli, I. (Polish Acad Sciences Inst Physics, 2012)We have fabricated superconducting 6 and 7 filaments MgB2/Fe/Cu tapes by ex situ powder-in-tube method using Cu-sheath without any intermediate annealing. Properties of two different multicore MgB2/Fe/Cu tapes annealed at ... -
Improvement of mechanical performances and characteristics of bulk Bi-2212 materials exposed to Au diffusion and stabilization of durable tetragonal phase by Au
Zalaoglu, Y.; Karaboga, F.; Terzioglu, C.; Yildirim, G. (Elsevier Sci Ltd, 2017)This study centers sensitively on the determination of optimum diffusion annealing temperature (650-850 degrees C) for the electrical, superconducting, crystal structure, and especially mechanical characteristics of Au ... -
Influence of Diffusion-Annealing Temperature on the Physico-Mechanical Properties of Au-doped Bi-2223 Superconductors
Ozturk, O.; Terzioglu, C.; Belenli, I. (Springer, 2011)In order to investigate the influence of Au doping and diffusion-annealing temperature on the mechanical and superconducting properties of Bi-2223, Bi(1.8)Pb(0.35)Sr(1.9)Ca(2.1)Cu(3)O (y) superconductors were prepared by ... -
Influence of Gd-doping in La0.7Ca0.3MnO3 on its structural and magneto-electrical properties
Altintas, S. P.; Amira, A.; Varilci, A.; Terzioglu, C. (Elsevier Science Bv, 2012)Bulk samples of gadolinium doped manganites with compositional formula La0.7-xGdxCa0.3MnO3 (x=0.0 and 0.1) were prepared by conventional solid state reaction method. After characterizing the samples by X-ray diffraction, ... -
Investigation of Gd Addition Added on Magnetic and Structural Properties of Bi1.8Pb0.35Sr1.9Ca2.1Cu3GdxOy Superconductors by ac Susceptibility
Yildirim, G.; Zalaoglu, Y.; Akdogan, M.; Altintas, S. P.; Varilci, A.; Terzioglu, C. (Springer, 2011)This study reports the effect of Gd addition on magnetic and structural properties of Bi1.8Pb0.35Sr1.9Ca2.1 Cu3GdxOy superconductor with x = 0, 0.1, 0.2, 0.3, 0.4 and 0.5 by means of ac susceptibility measurements at various ... -
Investigation of mechanical and superconducting properties of iron diffusion-doped Bi-2223 superconductors
Ozturk, O.; Cetinkara, H. A.; Asikuzun, E.; Akdogan, M.; Yilmazlar, M.; Terzioglu, C. (Springer, 2011)The mechanical and superconducting properties of the Fe diffusion-doped (Bi-Pb)-2223 superconductor have been investigated. First, iron was evaporated on Bi-2223 superconductor and then the Fe layered superconductor was ... -
Investigation of some physical properties of Gd added Bi-2223 superconductors
Terzioglu, C. (Elsevier Science Sa, 2011)X-ray powder diffraction (XRD), scanning electron microscopy (SEM), dc electrical resistivity, critical current density and static microindentation measurements are performed to investigate some physical properties of ... -
Investigation of the cooling rate in Bi(Pb)SrCaCuO high temperature superconductor by low field AC magnetic susceptibility
Yegen, D.; Terzioglu, C.; Gorur, O.; Belenli, I.; Varilci, A. (Elsevier Science Bv, 2006)Bi1.7Pb0.35Sr1.9Ca2.1CU3Ox samples prepared by the classical method were studied by the AC magnetic susceptibility (x = x' + ix") method. The annealing of the sample was concluded under different cooling rate conditions. ... -
Investigation of the magnetic field angle dependence of resistance, irreversibility field, upper critical field and critical current density in DC sputtered Bi-2223 thin film
Yildirim, G.; Akdogan, M.; Altintas, S. P.; Erdem, M.; Terzioglu, C.; Varilci, A. (Elsevier Science Bv, 2011)We measured resistivity and transport critical current density, J(c), as a function of DC magnetic field and the angle (phi) between the surface of the film and the magnetic field on ex-situ annealed, c-axis oriented Bi-2223 ... -
Investigation of the structural, magnetic and electrical properties of the Au doped YBCO superconductors
Terzioglu, R.; Aydin, G.; Koc, N. Soylu; Terzioglu, C. (Springer, 2019)In this study, a systematic investigation of Au-added YBa2Cu3O7-x (YBCO) samples has been undertaken mainly to understand their structural, magnetic as well as electrical behavior. In order to get high quality of superconducting ...
