Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Journal of Applied Physics
70 (1991), S. 2764-2767
ISSN:
1089-7550
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The effect of temperature and atmosphere on stability of the high-Tc phase in Bi1.8Pb0.4Sr2Ca2Cu3Ox superconductors has been investigated using ac susceptibility, x-ray diffraction, and Raman measurements. It is found that the high-Tc phase becomes unstable due to the structural phase transformation at temperature above 650 °C in O2 of 1 atm. The formation and the decomposition of the high-Tc phase is found to occur through the medium of the Ca2PbOx phase and depends on oxygen partial pressure at temperature above 650 °C.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.349361
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