Excess conductivity analysis for Tl0. 8Hg0. 2Ba2Ca2Cu3O9− δ substituted by Sm and Yb

AI Abou-Aly, R Awad, IH Ibrahim, W Abdeen - Solid state communications, 2009 - Elsevier
A series of superconducting samples of type Tl0. 8Hg0. 2Ba2Ca2− xRxCu3O9− δ, where R=
Sm and Yb with 0≤ x≤ 0.15, were prepared in a sealed quartz tube via a solid-state …

Fluctuation-induced conductivity of polycrystalline Y1− xCaxBa2Cu3O7− δ superconductors

AK Ghosh, SK Bandyopadhyay, P Barat, P Sen… - Physica C …, 1996 - Elsevier
We report the fluctuation-induced conductivity of Ca doped Y1Ba2Ca3O7− δ samples. The
analysis has been done with partial substitution of Ca (II) in place of Y (III). The Ca contents …

Generalization of fluctuation induced conductivity in polycrystalline Y1− xCaxBa2Cu3Oy and Bi2Sr2Ca1Cu2O8+ δ superconductors

AK Ghosh, SK Bandyopadhyay, AN Basu - Journal of applied physics, 1999 - pubs.aip.org
We have investigated the fluctuation induced conductivity (FIC) of two high-Tc
superconductors (HTSC) namely Bi2Sr2Ca1Cu2O8δ and Y1xCaxBa2Cu3Oy. The effective …

Excess conductivity, diamagnetic transition and FTIR spectra of Ca substituted by La in (Bi, Pb): 2212 superconducting system

A Sedky, A Salah - Journal of Low Temperature Physics, 2020 - Springer
We report here measurements of the excess conductivity, the diamagnetic transition and the
FTIR spectra of Bi 1.7 Pb 0.30 Sr 2 Ca 1− x La x Cu 2 O y superconductor with various x …

Fluctuation, diamagnetic transition, and FTIR spectra of La substituting Ca in (Bi, Pb): 2223 superconductor

A Sedky, A Salah - Journal of Superconductivity and Novel Magnetism, 2020 - Springer
We report here fluctuation, diamagnetic transition, and FTIR spectra in Bi 1.7 Pb 0.30 Sr 2
Ca 2-x La x Cu 3 Oy superconductor with various x values (0.00< x< 0.30). It is found that the …

Fluctuation-induced conductivity in quenched and furnace-cooled Aslamazov-Larkin or short-wavelength fluctuations

AK Ghosh, AN Basu - Physical Review B, 1999 - APS
The fluctuation-induced conductivity of quenched and furnace-cooled Bi 2 Sr 2 CaCu 2 O 8+
δ (Bi− 2 2 1 2) is investigated to compare the dimensionality of fluctuations above the mean …

Different regions of fluctuation conductivity in Sn-doped Cu0. 5Tl0. 5Ba2Ca2Cu3− ySnyO10− δ superconductors

NA Khan, N Hassan, M Irfan, T Firdous - Physica B: Condensed Matter, 2010 - Elsevier
Fluctuation induced conductivity of Cu0. 5Tl0. 5Ba2Ca2Cu3− ySnyO10− δ superconductors
have been studied from the resistivity vs. temperature data. The logarithmic plots of excess …

Investigation of the physical properties of (Cu0.5Tl0.5)Ba2Ca2Cu3O10-δ impregnated with mono cobalt(II)-substituted Undecatungstosilicate Nanoparticles

A Nasser, A Srour, N El Ghouch, W Malaeb… - Applied Physics A, 2020 - Springer
Abstract A series of (Cu 0.5 Tl 0.5) Ba 2 Ca 2 Cu 3 O 10-δ superconducting samples
impregnated with different percentage additions of potassium salt CoSiW 11 x nanoparticles …

Suppression of Superconductivity Due to Enhanced Co Doping in Cu0.5Tl0.5Ba2Ca2Cu3−y Co y O10−δ  …

B Shabbir, A Ullah, N Hassan, M Irfan… - … of superconductivity and …, 2011 - Springer
Abstract Fluctuation Induced Conductivity (FIC) of Co-doped Cu 0.5 Tl 0.5 Ba 2 Ca 2 Cu 3− y
Co y O 10− δ (y= 0, 0.05, 0.1, 0.5) Superconductors have been studied as to find the …

Fluctuation-Induced Excess Conductivity in R1−x Ca x : 123 Superconductors

A Sedky - Journal of Low Temperature Physics, 2007 - Springer
Fluctuation induced conductivity of Ca substitution at R sites of R 1− x Ca x: 123
superconductors with various x and R is investigated. This work is done by using the …