Journal ArticleDOI
A study of internal friction phenomena at 300–420K in the Bi-based high Tc superconductor system
TLDR
In this paper, the self-induced ordering process and the superconductivity property of BiSrCaCu 2 Ox and Pb 0.34 Bi 1.72 Sr 2 Ca 1.2 Cu 2.5 Fe 0.22 Oy have been investigated based on internal friction (IF) experiment, x-ray diffraction and thermoanalysis.About:
This article is published in Solid State Communications.The article was published on 1989-09-01. It has received 10 citations till now. The article focuses on the topics: High-temperature superconductivity & Superconductivity.read more
Citations
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Journal ArticleDOI
Oxygen diffusion in cuprate superconductors
J. L. Routbort,S. J. Rothman +1 more
TL;DR: In this paper, the diffusion of oxygen in cuprate superconductors was studied and the atomic mechanisms responsible for the diffusion were elucidated in La2−xSrxCuO4, YBa2Cu3O7−δ, Y Ba2Cu4O8, and Bi2Sr2Can−1CunO2n+4 (n=1 or 2).
Journal ArticleDOI
Effect of Ag2CO3 addition on the morphology and physical properties of Bi-based (2223) high-Tc superconductors
TL;DR: In this article, the effect of Ag 2 CO 3 addition (0-25-wt%) on the Bi 1.6 Pb 0.4 Sr 2 Ca 2 Cu 3 O δ (Bi-2223) precursor powder has been investigated in terms of X-ray diffraction, scanning electron microscopy, dc electrical resistivity, critical temperature, ac magnetic susceptibility and critical current density.
Journal ArticleDOI
Effect of vanadium and barium on the Bi-based (2223) superconductors
TL;DR: In this article, the effect of vanadium and barium substitution at Bi and Sr sites respectively, have been investigated by the X-ray diffraction, scanning electron microscopy, dc electrical resistivity, ac susceptibility and critical current density.
Journal ArticleDOI
Sound velocity in Bi2Sr2CaCu2O8 single crystals
TL;DR: In this paper, sound velocity and attenuation results for Bi 2 Sr 2 CaCu 2 O 8 single crystals are reported, and the shear modulus C 44 is measured.
Journal ArticleDOI
Vanadium substituted 2212 and 2223 superconducting ceramics
P.C.W. Fung,Z.C. Lin,Z.M. Liu,Ying Xin,Z.Z. Sheng,F. T. Chan,K.W. Wong,Yong-Nian Xu,Wai-Yim Ching +8 more
TL;DR: In this paper, the authors report the successful fabrication of the ceramic superconductor Bi 2x V x Sr 2 Ca 2 Cu 3 Oy and Bi 2-x V X Sr 2 CACu 2 O 8, with x ranging from a fraction to at least unity, showing that Vanadium behaves more than a dopent.
References
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Journal ArticleDOI
A New High-Temperature Superconductor: Bi2Sr3-x Cax Cu2O8+y.
Munirpallam A. Subramanian,C. C. Torardi,Joseph C. Calabrese,Jagannatha Gopalakrishnan,K. J. Morrissey,T. R. Askew,R.B. Flippen,U. Chowdhry,Arthur W. Sleight +8 more
TL;DR: A new superconductor that displays onset behavior near 120 K has been identified as Bi2Sr3-xCaxCu2O8+y, with x ranging from about 0.4 to 0.9, and electron microscopy studies show an incommensurate superstructure along the a axis that can be approximated by an increase of a factor of 5 over the subcell dimension.
Journal ArticleDOI
Oxygen concentration effect on Tc of the Bi-Ca-Sr-Cu-O superconductor.
TL;DR: The T/sub c/ of Bi/sub 2/Cu/sub 3/O/sub 7-//sub delta/ can be shifted reversibly over a rangel of at least 15 K by changing the oxygen concentration and there is no evidence of significant structural change by x-ray powder diffraction.
Journal ArticleDOI
Raman-active phonons in the high-temperature superconductors and results in Bi2Sr2CuO6.
TL;DR: Raman results from single crystals of the 10-K superconductor Bi/ sub 2/Sr/sub 2/CuO/sub 6/, which has one Cu-O plane per primitive unit cell, are reported, highlighting the similarities of the phonon spectra.
Journal ArticleDOI
Formation conditions of the (2223) phase in lead-substituted superconducting ceramics BiSrCaCuO
L. Pierre,D. Morin,J. Schneck,J. C. Tolédano,J. Primot,C. Daguet,F. Glas,J. Etrillard,H. Savary +8 more
TL;DR: In this article, the thermal conditions leading to zero resistance at about 105k in ceramics of starting composition Bi 1.8 Pb 0.2 Sr 2 Ca 2 Cu 3 O 10.
Journal ArticleDOI
Direct observation of antiphase domains in Bi2Sr2CaCu2O8 by transmission electron microscopy
TL;DR: In this article, a model of the antiphase boundary based on group theoretical considerations is proposed to explain the non-conservative nature of the Antiphase Boundary in Bi2Sr2CaCu2O8.
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