Effect of Ge4+ and Mg2+ doping on superconductivity, fluctuation induced conductivity and interplanar coupling of TlSr2CaCu2O7− δ superconductors
Substitution of Ge 4+ in place of Cu in Tl 0.85 Cr 0.15 Sr 2 CaCu 2− x Ge x O 7− δ (x= 0–0.6)
showed initial increase in zero critical temperature value, T c zero from 98 K (x= 0) to 100 K …
showed initial increase in zero critical temperature value, T c zero from 98 K (x= 0) to 100 K …
Influence of sintering temperature on excess conductivity in Bi-2223 superconductors
EMM Ibrahim, SA Saleh - Superconductor Science and …, 2007 - iopscience.iop.org
Structural examinations and resistivity measurements were made on Bi 1.75 Pb 0.35 Sr 2 Ca
2 Cu 3 O 10 samples sintered at different temperatures. The excess conductivity region was …
2 Cu 3 O 10 samples sintered at different temperatures. The excess conductivity region was …
Studies on sintering effect on the structural and transport properties of (2223) phase
SA Saleh - Physica C: Superconductivity and its applications, 2006 - Elsevier
(2223) phase is synthesized by solid state method. The X-ray diffraction technique, scanning
electron microscope, electrical and thermoelectric power measurements were used to …
electron microscope, electrical and thermoelectric power measurements were used to …
Effect of Ni substitute in off-stoichiometric Bi (Pb)-Sr-Ca-Cu (Ni)-O superconductor. Excess conductivity, XRD analysis and thermal behaviour
A Harabor, P Rotaru, NA Harabor - Ceramics International, 2019 - Elsevier
Abstract Two phases (2223 and 2212) are identified in Bi 1.8 Pb 0.3 Sr 2 Ca 2 (Cu 1-x Ni x)
3.3 O y superconductor system, sintered at 847° C for 322 h, in partial nitrogen atmosphere …
3.3 O y superconductor system, sintered at 847° C for 322 h, in partial nitrogen atmosphere …
Magnetic field-dependent study of excess conductivity and pseudogap state of single grain GdBa 2 Cu 3 O 7-δ superconductor
S Shit, DK Namburi, SD Das, TK Nath - Applied Physics A, 2022 - Springer
Finite probability of creation of Cooper pairs in the normal state near the superconducting
transition and their interaction with the remnant electrons cause superconducting fluctuation …
transition and their interaction with the remnant electrons cause superconducting fluctuation …
Dimensional crossover in the quasi-one-dimensional superconductor
We present magnetic penetration depth and electrical transport data in single crystals of
quasi-one-dimensional (q1D) Tl 2 Mo 6 Se 6, which reveal a 1 D→ 3 D superconducting …
quasi-one-dimensional (q1D) Tl 2 Mo 6 Se 6, which reveal a 1 D→ 3 D superconducting …
A study on thermoelectric power and electrical properties of Bi-2223 superconductors sintered for different time periods
SA Saleh, SA Ahmed, EMM Elsheikh - Journal of superconductivity and …, 2008 - Springer
Abstract Structure examination, resistivity, and thermopower measurements were made on
samples of Bi 1.75 Pb 0.35 Sr 2 Ca 2 Cu 3 O y sintered for different time periods …
samples of Bi 1.75 Pb 0.35 Sr 2 Ca 2 Cu 3 O y sintered for different time periods …
Study on excess conductivity in YBCO + xAg composites
We study the effect of addition of Ag on normal, paracoherent and superconducting coherent
state of YBa 2 Cu 3 O 7-δ (YBCO). We find that both room temperature resistivity and …
state of YBa 2 Cu 3 O 7-δ (YBCO). We find that both room temperature resistivity and …
Superconducting fluctuation behavior and infrared absorption properties of Tl1− xCuxSr1. 6Yb0. 4CaCu2O7-δ and Tl0. 5Pb0. 5Sr2− yMgyCa0. 8Yb0. 2Cu2O7− δ …
In this paper, the effects of Cu substitution at Tl site in Tl1− xCuxSr1. 6Yb0. 4CaCu2O7− δ
(x= 0–0.5) ceramics and Mg substitution at Sr site in Tl0. 5Pb0. 5Sr2− yMgyCa0. 8Yb0 …
(x= 0–0.5) ceramics and Mg substitution at Sr site in Tl0. 5Pb0. 5Sr2− yMgyCa0. 8Yb0 …
Excess conductivity analysis of Cr substituted TlSr2CaCu2O7–δ superconductor at Tl and Ca sites
A Al-Sharabi, R Abd-Shukor - Journal of alloys and compounds, 2014 - Elsevier
Samples with nominal starting compositions (Tl 1− x Cr x) Sr 2 CaCu 2 O 7− δ and TlSr 2
(Ca 1− x Cr x) Cu 2 O 7− δ (x= 0.05–0.30) had been prepared by the solid state reaction …
(Ca 1− x Cr x) Cu 2 O 7− δ (x= 0.05–0.30) had been prepared by the solid state reaction …