Introduction of artificial pinning centre in {open_quotes}Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8}{close_quotes} ceramics
Conference
·
OSTI ID:121654
- Max-Planck-Institut fuer Metallforschung, Stuttgart (Germany)
- Hoechst AG, Frankfurt am Main (Germany); and others
Considering the phase equilibrium diagram of the system Bi{sub 2}O{sub 3}-SrO-CaO-CuO, single phase {open_quotes}Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8}{close_quotes} ceramics have been transformed by a simple annealing procedure into multi phase samples. The transformation results in the formation of second phases and in an increase of the intra grain critical current density at 1 T of five times. This increase is believed to express improved pinning properties of the superconducting crystals. The prepared pinning centres are believed to be e.g. coherent precipitates (Guinier-Preston-zones) within the superconducting crystals.
- Research Organization:
- National Aeronautics and Space Administration, Washington, DC (United States); National Aeronautics and Space Administration, Houston, TX (United States). Lyndon B. Johnson Space Center
- OSTI ID:
- 121654
- Report Number(s):
- CONF-940627--Vol.2; ON: TI95017155
- Country of Publication:
- United States
- Language:
- English
Similar Records
Introduction of artificial pinning centres in Bi2Sr2CaCu2O8 ceramics
Pinning in BSCCO superconductors
Fundamental material aspects underlying the preparation of high-temperature superconducting (Bi,Pb){sub 2+x}Sr{sub 2}Ca{sub 2}Cu{sub 3}O{sub 10+d} ceramics
Conference
·
Fri Mar 31 23:00:00 EST 1995
·
OSTI ID:135393
Pinning in BSCCO superconductors
Book
·
Fri Dec 30 23:00:00 EST 1994
·
OSTI ID:43019
Fundamental material aspects underlying the preparation of high-temperature superconducting (Bi,Pb){sub 2+x}Sr{sub 2}Ca{sub 2}Cu{sub 3}O{sub 10+d} ceramics
Journal Article
·
Thu May 01 00:00:00 EDT 1997
· Journal of the American Ceramic Society
·
OSTI ID:512055