NDLI: High pressure thermodynamic investigations on the Bi-Pb-Sr-Ca-Cu-O system

Content Provider	IEEE Xplore Digital Library
Author	Lomello-Tafin, M. Giannini, E. Walker, E. Cerutti, P. Seeber, B. Flukiger, R.
Copyright Year	2002
Abstract	The lack of thermodynamic information concerning the Bi,Pb(2223)-liquid equilibrium has not made it possible, so far, to find any equilibrium formation route. The formation of Bi,Pb(2223) occurs via a non-equilibrium route, the grains growing from the local transient liquid. One of the main difficulties in solving the phase diagram at high temperature arises from an uncontrolled loss of some volatile elements and oxides. We have undertaken the investigation of the phase diagram at high pressure. A new prototype of High-Pressure DTA was built, operating up to 150 bar, and a dedicated High Isostatic Pressure furnace (up to 1 kbar, p(O/sub 2/)=0.2 bar) was used to anneal the samples without mass losses. We report on the effect of pressure on the Bi,Pb(2223) formation and decomposition, and on the influence of oxygen partial pressure under these conditions.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	3438
Ending Page	3441
Page Count	4
File Size	417257
File Format	PDF
ISSN	10518223
Volume Number	11
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-03-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Thermodynamics High temperature superconductors Annealing Superconducting films Furnaces Stability Powders Prototypes Reproducibility of results Phase detection
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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Interaction of super high frequency radiation with superconducting Bi(Pb)-Sr-Ca-Cu-O thin-film structures

Preparation of Bi-Sr-Ca-Cu-O Superconducting Thick Films on Polycrystal Substrates by Melting Method

Single $High-T_{c}$ Phase Region of the Bi-Pb-Sr-Ca-Cu-O System

Preparation and characteristics of Bi-Pb-Sr-Ca-Cu-O superconducting films by spray pyrolysis and post-annealing

Studies on Ag and Pb doped Bi-Sr-Ca-Cu-O superconductors

Phase formation and melt textured growth of (Bi,Pb)-Sr-Ca-Cu-O

Effects of Sb or Sn Addition on Precipitation of the $High-T_{c}$ Superconducting Phase from Rapidly Quenched Bi-Pb-Ca-Sr-Cu-O Glasses

Effect on critical current density and irreversibility behaviour of mechanical deformation of Bi-(Pb)-Sr-Ca-Cu-O superconducting tapes

Solid solubility limit of Bi-Pb-Sr-Ca-Mn-O in Bi-Pb-Sr-Ca-Cu-O superconductors

High pressure thermodynamic investigations on the Bi-Pb-Sr-Ca-Cu-O system

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Interaction of super high frequency radiation with superconducting Bi(Pb)-Sr-Ca-Cu-O thin-film structures

Preparation of Bi-Sr-Ca-Cu-O Superconducting Thick Films on Polycrystal Substrates by Melting Method

Single $High-T_{c}$ Phase Region of the Bi-Pb-Sr-Ca-Cu-O System

Preparation and characteristics of Bi-Pb-Sr-Ca-Cu-O superconducting films by spray pyrolysis and post-annealing

Studies on Ag and Pb doped Bi-Sr-Ca-Cu-O superconductors

Phase formation and melt textured growth of (Bi,Pb)-Sr-Ca-Cu-O

Effects of Sb or Sn Addition on Precipitation of the $High-T_{c}$ Superconducting Phase from Rapidly Quenched Bi-Pb-Ca-Sr-Cu-O Glasses

Effect on critical current density and irreversibility behaviour of mechanical deformation of Bi-(Pb)-Sr-Ca-Cu-O superconducting tapes

Solid solubility limit of Bi-Pb-Sr-Ca-Mn-O in Bi-Pb-Sr-Ca-Cu-O superconductors

High pressure thermodynamic investigations on the Bi-Pb-Sr-Ca-Cu-O system