References(48)
[1]
AK Sarkar, I Maartense, TL Peterson, et al. Preparation and characterization of superconducting phases in the Bi(Pb)-Sr-Ca-Cu-O system. J Appl Phys 1989, 66: 3717.
[2]
G Blatter, MV Feigel’man, VB Ceshkenbein, et al. Vortices in high-temperature superconductors. Rev Mod Phys 1994, 66: 1125.
[3]
PL Upadhyay, SUM Rao, KC Nagpal, et al. Microstructures and the role of Pb in doped Bisrcacuo superconductor. Mater Res Bull 1992, 27: 109-116.
[4]
J Trastoy, V Rouco, C Ulysse, et al. Nanostructuring of high-TC superconductors via masked ion irradiation for efficient ordered vortex pinning. Physica C 2014, 506: 195-200.
[5]
M Shahbazi, XL Wang, SR Ghorbani, et al. Vortex-glass phase transition and enhanced flux pinning in C4+-irradiated BaFe1.9Ni0.1As2 superconducting single crystals. Supercond Sci Tech 2013, 26: 095014.
[6]
M Eisterer, M Zehetmayer, HW Weber, et al. Effects of disorder on the superconducting properties of BaFe1.8Co0.2As2 single crystals. Supercond Sci Tech 2009, 22: 095011.
[7]
M Zouaoui, A Ghattas, M Annabi, et al. Effect of nano-size ZrO2 addition on the flux pinning properties of (Bi,Pb)-2223 superconductor. Supercond Sci Tech 2008, 21: 125005.
[8]
M Annabi, A M’chirgui, FB Azzouz, et al. Addition of nanometer Al2O3 during the final processing of (Bi,Pb)-2223 superconductors. Physica C 2004, 405: 25-33.
[9]
AI Abou-Aly, MMH Abdel Gawad, R Awad, et al. Improving the physical properties of (Bi,Pb)-2223 phase by SnO2 nano-particles addition. J Supercond Nov Magn 2011, 24: 2077.
[10]
A Agail, R Abd-Shukor. Transport current density of (Bi1.6Pb0.4)Sr2Ca2Cu3O10 superconductor added with different nano-sized ZnO. Appl Phys A 2013, 112: 501-506.
[11]
H Abbasi, J Taghipour, H Sedghi. Superconducting and transport properties of (Bi-Pb)-Sr-Ca-Cu-O with Cr2O3 additions. J Alloys Compd 2010, 494: 305-308.
[12]
W Kong, R Abd-Shukor. Enhanced electrical transport properties of nano NiFe2O4-added (Bi1.6Pb0.4) Sr2Ca2Cu3O10 superconductor. J Supercond Nov Magn 2010, 23: 257.
[13]
M Tinkham. Resistive transition of high-temperature superconductors. Phys Rev Lett 1988, 61: 1658.
[14]
PW Anderson. Theory of flux creep in hard superconductors. Phys Rev Lett 1962, 9: 309.
[15]
MR Mohammadizadeh, M Akvahan. Magnetoresistance in Gd(Ba2−xPrx)Cu3O7+δ system. Physica C 2003, 390: 134-142.
[16]
TTM Palstra, B Batlogg, RB van Dover, et al. Critical currents and thermally activated flux motion in high-temperature superconductors. Appl Phys Lett 1989, 54: 763.
[17]
TTM Palstra, B Batlogg, LF Schneemeyer, et al. Thermally activated dissipation in Bi2.2Sr2Ca0.8Cu2O8+δ. Phys Rev Lett 1988, 61: 1662.
[18]
AP Malozemoff, TK Worthington, E Zeldov, et al. Flux creep and the crossover to flux flow in the resistivity of high-Tc superconductors. In Strong Correlation and Superconductivity. H Fukuyama, S Maekawa, AP Malozemoff, Eds. Springer-Verlag Berlin Heidelberg, 1989: 349-360.
[19]
R Griessen. Resistive behavior of high-Tc superconductors: Influence of a distribution of activation energies. Phys Rev Lett 1990, 64: 1674.
[20]
D Yazici, M Erdem, B Ozcelik. Effect of high valancy cations on the intergranular pinning energies of (Bi-Pb)2Sr2Ca2Cu3O10+δ samples. J Supercond Nov Magn 2012, 25: 1811.
[21]
H Gündoğmuş, B Özçelik, A Sotelo, et al. Effect of Yb-substitution on thermally activated flux creep in the Bi2Sr2Ca1Cu2−xYbxOy superconductors. J Mater Sci: Mater El 2013, 24: 2568-2575.
[22]
B Özçelik, H Gündoğmuş, D Yazici. Effect of (Ta/Nb) co-doping on the magnetoresistivity and flux pinning energy of the BPSCCO superconductors. J Mater Sci: Mater El 2014, 25: 2456-2462.
[23]
B Özkurt, B Özçelik. Effect of Nd-substitution on thermally activated flux creep in the Bi1.7Pb0.3−xNdxSr2Ca3Cu4O12+y superconductors. J Low Temp Phys 2009, 156: 22-29.
[24]
B Özçelik, M Gürsul, A Sotelo, et al. Improvement of the intergranular pinning energy in the Na-doped Bi-2212 superconductors. J Mater Sci: Mater El 2015, 26: 2830-2837.
[25]
B Özçelik, C Kaya, H Gündoğmuş, et al. Effect of Ce substitution on the magnetoresistivity and flux pinning energy of the Bi2Sr2Ca1−xCexCu2O8+δ superconductors. J Low Temp Phys 2014, 174: 136-147.
[26]
B Özçelik, E Yalaz, ME Yakıncı, et al. The effect of K substitution on magnetoresistivity and activation energy of Bi-2212 system. J Supercond Nov Magn 2015, 28: 553-559.
[27]
AI Abou-Aly, SA Mahmoud, R Awad, et al. Electrical resistivity and magnetoresistance studies of (Bi,Pb)-2223 phase substituted by Ru. J Supercond Nov Magn 2010, 23: 1575-1588.
[28]
M Dogruer, Y Zalaoglu, A Varilci, et al. A study on magnetoresistivity, activation energy, irreversibility and upper critical field of slightly Mn added Bi-2223 superconductor ceramics. J Supercond Nov Magn 2012, 25: 961-968.
[29]
V Ambegaokar, BI Halperin. Voltage due to thermal noise in the dc Josephson effect. Phys Rev Lett 1969, 22: 1364.
[30]
HS Gamchi, GJ Russel, KNR Taylor. Resistive transition for YBa2Cu3O7−δ -Y2BaCuO5 composites: Influence of a magnetic field. Phys Rev B 1994, 50: 12950.
[31]
TTM Palstra, B Batlogg, RB van Dover, et al. Dissipative flux motion in high-temperature superconductors. Phys Rev B 1990, 41: 6621.
[32]
H Khosroabadi, V Daadmehr, M Akhavan. Magnetic transport properties and Hall effect in Gd1−xPrxBa2Cu3O7−δ system. Physica C 2003, 384: 169-177.
[33]
NH Mohammed, AI Abou-Aly, R Awad, et al. Magnetoresistance studies of Tl-1212 phase substituted by scandium. Supercond Sci Tech 2006, 19: 1104.
[34]
JS Moodera, R Meservey, JE Tkaczyk, et al. Critical-magnetic-field anisotropy in single-crystal YBa2Cu3O7. Phys Rev B 1988, 37: 619.
[35]
C Kittel. Introduction to Solid State Physics, 8th edn. Wiely, 2004: 156.
[36]
M Sahoo, D Giri, D Behera. Study of structural modification and fluctuation induced electrical conductivity in YBa2Cu3O7-y+xBaSnO3 sperconductor composite. J Low Temp Phys 2014, 177: 257-273.
[37]
MM Elokr, R Awad, AA El-Ghany, et al. Effect of nano-sized ZnO on the physical properties of (Cu0.5Tl0.25Pb0.25)Ba2Ca2Cu3O10−δ. J Supercond Nov Magn 2011, 24: 1345-1352.
[38]
Ş Yavuz, Ö Bilgili, K Kocabaş. Effects of superconducting parameters of SnO2 nanoparticles addition on (Bi,Pb)-2223 phase. J Mater Sci: Mater El 2016, 27: 4526-4533.
[39]
K Wei, R Abd-Shukor. Superconducting and transport properties of (Bi-Pb)-Sr-Ca-Cu-O with nano-Cr2O3 additions. J Electron Mater 2007, 36: 1648-1651.
[40]
A Mellekh, M Zouaoui, FB Azzouz, et al. Nano-Al2O3 particle addition effects on Y Ba2Cu3Oy superconducting properties. Solid State Commun 2006, 140: 318-323.
[41]
MR Persland, JL Tallon, RG Buckley, et al. General trends in oxygen stoichiometry effects on Tc in Bi and Tl superconductors. Physica C 1991, 176: 95-105.
[42]
AR Jurelo, JV Kunzler, J Schaf, et al. Fluctuation conductivity and microscopic granularity in Bi-based high-temperature superconductors. Phys Rev B 1997, 56: 14815.
[43]
AI Abou-Aly, SA Mahmoud, R Awad, et al. Magnetic transport properties in GdBa2Cu3−xRuxO7−δ superconducting phase. J Low Temp Phys 2012, 167: 59-73.
[44]
H Abbasi, J Taghipour, H Sedghi. The effect of MgCO3 addition on the superconducting properties of Bi2223 superconductors. J Alloys Compd 2009, 482: 552-555.
[45]
MR Mohammadizadeh, M Akhavan. Thermally activated flux creep in the Gd(Ba2−xPrx)Cu3O7+δ system. Supercond Sci Tech 2003, 16: 538.
[46]
AI Abou-Aly, MT Korayem, NG Gomaa, et al. Synthesis and study of the ceramic high-Tc superconductor Hg1-xTlxBa2Ca1.8Y0.2Cu3O8+δ (x = 0.3, 0.5, 0.7, 0.9 and 1). Supercond Sci Tech 1999, 12: 147.
[47]
J Heremans, DT Morelli, GW Smith, et al. Thermal and electronic properties of rare-earth Ba2Cu3Ox superconductors. Phys Rev B 1988, 37: 1604.
[48]
C Uhe. Thermal conductivity of high-Tc superconductors. J Supercond 1990, 3: 337-389.