Browsing by Author "Kilic, A."
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Ac Susceptibility Measurements and Mechanical Performance of Bulk MgB2
Ozturk, O.; Asikuzun, E.; Kaya, S.; Erdem, M.; Safran, S.; Kilic, A.; Terzioglu, C. (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 ... 
Coherent Voltage Oscillations in Superconducting Polycrystalline Y(1)Ba(2)Cu(3)O(7x)
Altinkok, A.; Yetis, H.; Olutas, M.; Kilic, K.; Kilic, A.; Cetin, O. (Iop Publishing Ltd, 2006)We have investigated the voltage response of superconducting polycrystalline bulk Y(1)Ba(2)Cu(3)O(7x) (YBCO) material to a bidirectional square wave current with long periods and dc current by means of the evolution of ... 
Controlled vortex motion in multiple interpenetrating pinning arrays
Kilic, A.; Kilic, K.; Olutas, M.; Altinkok, A. (Springer, 2013)We study the effect of multiple interpenetrating pinning arrays on the vortex motion in the presence of an ac driving force, f(d)(t), by using extensive molecular dynamics (MD) simulations. Firstly, the response to a square ... 
Dynamic Instabilities and CurrentVoltage Curves of Polycrystalline Superconducting Y1Ba2Cu3O7x/Ag
Altinkok, A.; Kilic, K.; Olutas, M.; Kilic, A. (Springer, 2014)We performed systematic currentvoltage measurements (IV curves) in Agadded the polycrystalline Y1Ba2Cu3O7x sample (YBCO/Ag) as a function of the transport current (I), temperature (T), external magnetic field (H), and ... 
Flux dynamics and magnetovoltage measurements in a macroscopic cylindrical hole drilled in BSCCO
Yetis, H.; Altinkok, A.; Olutas, M.; Kilic, A.; Kilic, K. (Elsevier, 2007)Slow transport relaxation measurements (Vt curves) and magnetovoltage measurements (VH curves) were carried out in a polycrystalline sample of Bi1.7Pb0.3Sr2Ca2Cu30, (BSCCO) with a macroscopic cylindrically drilled hole ... 
Flux Dynamics and Time Dependent Effects in Superconducting MgB2
Olutas, M.; Kilic, A.; Kilic, K.; Altinkok, A. (Springer, 2012)We have investigated the time dependent flux motion in a polycrystalline superconducting MgB2 sample by means of currentvoltage (IV curves) and transport relaxation (Vt curves) measurements. The transport measurements ... 
Flux Dynamics and Time Effects in a Carved out Superconducting Polycrystalline BiSrCaCuO Sample
Olutas, M.; Yetis, H.; Altinkok, A.; Sozeri, H.; Kilic, K.; Kilic, A.; Cetin, O. (Iop Publishing Ltd, 2006)Systematic slow transport relaxation (Vt curves) and magnetovoltage measurements (VH curves) have been carried out in a carved out superconducting polycrystalline BiSrCaCuO sample as a function of current (I), ... 
Flux motion and isotropic effects in MgB2 near the critical temperature
Olutas, M.; Kilic, A.; Kilic, K.; Altinkok, A. (Springer, 2012)The anisotropic behaviour of polycrystalline MgB2 was studied in details by means of angle dependent magnetovoltage measurements (Vtheta curves) at the temperatures near the critical temperature Tc, where theta is the ... 
Flux trapping in a macroscopic cylinderical hole drilled in BiSrCaCuO
Kilic, A.; Kilic, K.; Yetis, H.; Olutas, M.; Altinkok, A.; Sozeri, H.; Cetin, O. (Springer, 2006)The flux dynamics in a polycrystalline sample of Bi1.7Pb0.3Sr2Ca2Cu3Ox with a macroscopic cylindrical hole (CH) drilled was investigated by slow transport relaxation (Vt curves) and magnetovoltage measurements (VH curves). ... 
Hysteresis Effects and Flux Pinning in a Macroscopic Cylindrical Hole Drilled in Superconducting BiSrCaCuO
Kilic, A.; Yetis, H.; Kilic, K.; Altinkok, A.; Olutas, M.; Sozeri, H. (Elsevier, 2012)We report experimental results on the flux dynamics in a polycrystalline superconducting Bi1.7Pb0.3Sr2Ca2Cu3Ox (BSCCO) sample with a macroscopic cylindrical hole (CH) drilled through it. Currentvoltage (I  V) curve ... 
Improvement of the Nature of Indentation Size Effect of Bi2212 Superconducting Matrix by Doped Nd Inclusion and Theoretical Modeling of New Matrix
Ozturk, O.; Asikuzun, E.; Kaya, S.; Yildirim, G.; Turkoz, M. B.; Kilic, A. (Springer, 2014)Neodmium (Nd) inclusions at different stoichiometric ratios (x=0.0, 0.001 %, 0.005 %, 0.01 %, 0.05 %, 0.1 %) are doped in the Bi2212 superconducting samples and the samples obtained are subjected to the sintering process ... 
Magnetovoltage Measurements and Field Sweep Rate Dependence of VH curves in Superconducting Polycrystalline Y(1)Ba(2)Cu(3)O(7x)
Yetis, H.; Altinkok, A.; Olutas, M.; Kilic, A.; Kilic, K.; Cetin, O. (Iop Publishing Ltd, 2006)Magnetovoltage measurements (VH curves) were carried out in superconducting polycrystalline bulk Y(1)Ba(2)Cu(3)O(7x) (YBCO) material as a function of current (I), temperature (T), field sweep rate (dH/dt) and field ... 
Observation of unusual irreversible/reversible effects in a macroscopic cylindrical hole drilled in superconducting BiSrCaCuO
Yetis, H.; Kilic, A.; Kilic, K.; Altinkok, A.; Olutas, M. (Elsevier Science Bv, 2008)Currentvoltage (IV) measurements were carried out for different current sweep rates (dl/dt) of transport current at zero magnetic field (H = 0) and H not equal 0 in a polycrystalline sample of Bi1.7Pb0.3Sr2Ca2Cu3Ox (BSCCO) ... 
Organization of flux line system and voltage oscillations in superconducting MgB2
Kilic, A.; Olutas, M.; Kilic, K.; Altinkok, A. (Amer Inst Physics, 2011)The influence of bidirectional square wave (BSW) current on the evolution of the Vt curves was studied in a polycrystalline sample of MgB2. Regular sinusoidallike voltage oscillations were observed at welldefined values ... 
Slow voltage oscillations in Agdoped superconducting YBaCuO
Altinkok, A.; Yetis, H.; Kilic, K.; Kilic, A.; Olutas, M. (Elsevier Science Bv, 2008)The time effects in Agdoped YBa2Cu3O7x Sample (YBCO/Ag) were examined by means of transport relaxation measurements (Vt curves). At welldefined values of transport current (I), temperature (T) and external magnetic ... 
Time effects and glassy state behaviour in superconducting Y1Ba2Cu3O7x
Altinkok, A.; Yetis, H.; Olutas, M.; Kilic, K.; Kilic, A. (Elsevier, 2007)The quenched disorder in the moving entity is investigated in a polycrystalline bulk sample of Y1Ba2Cu3O7x (YBCO) by slow transport relaxation measurements (Vt curves) on long time scales. The time evolution of sample ... 
Transport relaxation measurements and glassy state effects in superconducting MgB2
Olutas, M.; Yetis, H.; Altinkok, A.; Kilic, A.; Kilic, K. (Elsevier, 2008)Time dependent effects in superconducting MgB2 have been studied systematically for the first time by transport relaxation measurements (Vt curves) as a function of transport current (I), temperature (T) and external ...