Browsing by Author "Terzioğlu, Cabir"
Now showing items 1-20 of 137
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A-site Pb doping effect on structural, microstructural and magnetotransport properties of La0.5Sm0.2Ca0.3-xPbxMnO3 (x=0, 0.05, 0.10) manganite
Denbri, Fatih; Mahamdioua, Nabil; Meriche, Faiza; Koç, Nevin Soylu; Terzioğlu, Cabir; Varilci, Ahmet; Altıntaş, Sevgi Polat (Elsevier Science SA, 2021)Structural, microstructural and magneto-transport properties of polycrystalline La0.5Sm0.2Ca0.3-x PbxMnO3 (x = 0, 0.05 and 0.10) samples, prepared by conventional solid state reaction, were studied. Refinement of the Powder ... -
Ac Susceptibility measurements and mechanical performance of Bulk MgB2
Öztürk, Özgür; Aşıkuzun, Elif; Kaya, Şeydanur; Erdem, Murat; Safran, Serap; Kılıç,Ahmet; Terzioğlu, Cabir (Springer, 2015)The effects of Ar ambient pressure (vacuum and 0, 10, and 20 B) and annealing times (0.5 and 1 h) on microstructural, superconducting, and mechanical properties of bulk superconducting MgB2 are investigated. The samples ... -
Analysis of indentation size effect (ISE) behavior in low-load Vickers microhardness testing of (Sm123)(1-x)(Nd123)(x) superconductor system
Çelik, Şükrü; Öztürk, Özgür; Coşkun, E.; Sarıhan, Menekşe; Aşıkuzun, Elif; Terzioğlu, Cabir (Springer, 2013)Indentation size effect (ISE) for (Sm123)(1-x) (Nd123)(x) superconducting samples which were fabricated by the solid state reaction technique for values of x = 0.00, 0.05, 0.10, 0.20, and 0.30 was investigated by analyzing ... -
Analysis of indentation size effect on mechanical properties of cu-diffused bulk MgB2 superconductor using experimental and different theoretical models
Doğruer, Musa; Yıldıırm, Gürcan; Öztürk, Özgür; Terzioğlu, Cabir (Springer, 2013)This study indicates the change of the electrical, microstructural, physical, mechanical and superconducting properties of Cu-diffused bulk MgB2 superconductors by means of scanning electron microscopy (SEM), X-ray diffraction ... -
Anisotropic nature and scaling of thermally activated dissipation mechanism in Bi-2223 superconducting thin film
Yıldırım, Gürcan; Varilci, Ahmet; Terzioğlu, Cabir (Elsevier Science Sa, 2013)This study deals with the resistive transition of the c-axis oriented Bi-2223 thin film produced on the single crystal MgO (100) substrate using direct current (DC) magnetron reactive sputtering technique at 100 watt in ... -
Breaking point of the harmony between Gd diffused Bi-2223 slabs with diffusion annealing temperature
Aydin, H.; Babanlı, Arif; Altıntaş, Sevgi Polat; Aşıkuzun, Elif; Soylu, Nevin; Öztürk, Özgür; Doğruer, Musa; Terzioğlu, Cabir; Yıldırım, Gürcan (Springer, 2013)This comprehensive study reports the role of annealing temperature on the microstructural, superconducting and mechanical characteristics of the Gd diffused Bi-2223 superconducting ceramics produced by the conventional ... -
Calculation of the diffusion coefficient of Au in Bi-2223 superconductors
Öztürk, Özgür; Küçükömeroğlu, Tayfun; Terzioğlu, Cabir (Iop Publishing Ltd, 2007)Undoped Bi-2223 samples were prepared using a conventional solidstate reaction method. Doping of Au in Bi-2223 was carried out by means of diffusion from an evaporated Au film on pellets. We have investigated the effect ... -
Cation size mismatch effect in (La1-yREy)(1.4)Ca1.6Mn2O7 perovskite manganites
Koç, Nevin Soylu; Altıntaş, Sevgi Polat; Mahamdioua, Nabil; Terzioğlu, Cabir (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
Yıldırım, Gürcan; Zalaoğlu, Y.; Kırılmış, Cumhur; Koca, Murat; Terzioğlu, Cabir (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 ... -
Comparative study on indentation size effect, indentation cracks and superconducting properties of undoped and MgB2 doped Bi-2223 ceramics
Doğruer, Musa; Karaboğa, Fırat; Yıldırım, Gürcan; Terzioğlu, Cabir (Springer, 2013)This study examines the evaluation mechanism of MgB2 doped Bi1.8Pb0.4Sr2(MgB2)(x)Ca2.2Cu3.0Oy (0 <= x <= 1.0) superconducting ceramics prepared by conventional solid-state reaction method via dc resistivity, X-ray diffraction ... -
Comparative study on mechanical properties of undoped and Ce-doped Bi-2212 superconductors
Zalaoğlu, Yusuf; Bekiroğlu, Erdal; Doğruer, Musa; Yıldırım, Gürcan; Öztürk, Özgür; Terzioğlu, Cabir (Springer, 2013)This study discusses the mechanical performances of Bi1.8Sr2.0CexCa1.1Cu2.1Oy ceramics with x = 0, 0.001, 0.003, 0.005, 0.01, 0.03, 0.05 and 0.1 by way of Vickers microhardness (H-v) measurements performed at different ... -
A comprehensive study on mechanical properties of Bi1.8Pb0.4Sr2MnxCa2.2Cu3.0Oy superconductors
Doğruer, Musa; Karaboğa, Fırat; Yıldırım, Gürcan; Terzioğlu, Cabir; Öztürk, Özgür (Springer, 2013)This study manifests the crucial change in the mechanical performances of Bi1.8Pb0.4Sr2MnxCa2.2Cu3.0Oy superconductor samples (x = 0, 0.03, 0.06, 0.15, 0.3 and 0.6) prepared by conventional solid-state reaction method by ... -
Decrement of crack propagation in bulk Bi-2223 superconducting ceramics with Sn-diffusion annealing temperature
Doğruer, Musa; Terzioğlu, Cabir; Yıldırım, Gürcan; Pakdil, Murat; Zalaoğlu, Yusuf (Springer, 2015)The effect of Sn diffusion at different annealing temperature on the Bi1.8Pb0.4Sr2.0Ca2.1Cu3.0Oy superconducting materials is performed with the aid of Vickers microhardness (H-v) measurements at different applied loads ... -
Deformation of mechanical properties and failure behavior of Hays-Kendall approach in Bi-2223 superconducting core after Eu inclusions
Doğruer, Musa; Zalaoğlu, Yusuf; Yıldrım, Gürcan; Terzioğlu, Cabir (Springer, 2014)Mechanical features of Bi1.8Pb0.4Eu (x) Sr2Ca2.2Cu3O (y) superconductor samples (x=0, 0.01, 0.03, 0.05, 0.07, 0.1, and 0.3) are elaborated by traditional solid-state reaction route. The deformation of the mechanical ... -
Density functional theory study on the identification of 3-[(2-morpholinoethylimino)methyl]benzene-1,2-diol
Parlak, Cihan; Akdoğan, Mustafa; Yıldırım, Gürcan; Karagöz, Nurettin; Budak, Erhan; Terzioğlu, Cabir (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 ... -
Detailed analysis on electrical conduction transition from 2D variable range hopping to phonon-assisted 3D VRH mechanism belonging to Bi-site La substituted Bi-2212 system
Zalaoğlu, Yusuf; Yıldırım, Gürcan; Terzioğlu, Cabir; Görür, Osman (Elsevier Science Sa, 2015)The main scope of this comprehensive study is to determine the critical dopant level of metal to insulator transition (MIT) for Bi-site La substituted Bi-2212 superconducting ceramics by means of bulk density, Xray diffraction ... -
Detailed survey on minimum activation energy for penetration of Ni nanoparticles into Bi-2223 crystal structure and temperature-dependent Ni diffusivity
Zalaoğlu, Yusuf; Terzioğlu, Cabir; Turgay, Tahsin; Yıldırım, Gürcan (Springer, 2018)The primary contributions of this study are not only to explore the role of diffusion annealing temperature interval 650 to 850 A degrees C on the formation of effective electron-phonon coupling or cooper-pair probabilities ... -
Determination of solid solubility level of Ho nanoparticles in Y-123 superconducting matrix and strong Cu-1 site preference of nanoparticles
Sarıtekin, Namık Kemal; Zalaoğlu, Yusuf; Yıldırım, Gürcan; Doğruer, Musa; Terzioğlu, Cabir; Varilci, Ahmet; Görür, Osman (Elsevier Science Sa, 2014)This comprehensive study reports the effect of the Ho inclusions on the microstructural, electrical, mechanical and superconducting characteristics of YBa2Cu3O7-delta ceramic superconductors with the aid of standard ... -
Diffusion coefficient, activation energy and the effect of Ag-doping on some physical properties of silver doped Bi1.8Pb0.4Ca2.2Sr2Cu3Ox
Akdoğan, Mustafa; Terzioğlu, Cabir; Varilci, Ahmet; Belenli, İbrahim (Elsevier Science Bv, 2010)The aim of the present study is to investigate the effect of diffusion-doped silver on some physical properties of Bi1.8Pb0.4Ca2.2Sr2Cu3Ox superconducting samples and to calculate the diffusion coefficient and the activation ... -
EDXRF measurements on gold diffusion-doped Bi1.8Pb0.35Sr1.9Ca2.1Cu3Oy
Terzioğlu, Cabir (Elsevier B.V. All, 2008)Gold (Au) diffusion in superconducting Bi1.8Pb0.35Sr1.9Ca2.1Cu3Oy was investigated over the temperature range 500-800 degrees C by the energy dispersive X-ray fluorescence (EDXRF) technique. It is found that the Au diffusion ...
