Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
51 (1987), S. 282-284
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The compound Ho1Ba2Cu3O9−δ has been found to be a high Tc superconductor. The onset of the superconducting transition is 88 K with zero resistance achieved at 87 K. The x-ray diffraction spectrum of this material shows it to be a single-phase perovskite similar to the Y1Ba2Cu3O9−δ compound but different from the K2NiF4 perovskite which is believed to be the superconducting phase for the La2(1−x) Ba2xCuO4−δ system. Possible oxygen deficiencies in several of the unit cell planes are discussed. The room-temperature resistance, the superconducting onset temperature, and the emergence of the single phase all depend upon the sample preparation firing conditions.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.98473
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