Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
55 (1989), S. 702-704
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Superconducting Bi-Sr-Ca-Cu-O thin films have been prepared on (100) MgO substrates at about 600 °C by coevaporation. The c-axis lattice constant of this system was controlled to the values of 24–43 A(ring) by changing film composition. Superconducting transition temperatures of these films were affected by substrate temperature and by a post-deposition annealing at a low temperature. The highest zero resistance temperature (Tc, zero) of the as-grown Bi2(Sr,Ca)3Cu2Ox film was 79 K. The best Bi2(Sr, Ca)4Cu3Ox film showed an onset temperature of 105 K and Tc, zero zero of 78 K after annealing at 400 °C for 1 h.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.101574
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