Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
57 (1990), S. 819-821
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Superconducting thin films of DyBaCuO have been achieved by molecular beam epitaxy. The films are strongly oriented with the c axis perpendicular to the substrate, and currently reach R=0 between 70 and 80 K. Critical temperatures (R=0) up to 50 K were obtained on 150-A(ring)-thick films deposited atomic layer by atomic layer. These films present a flat surface as observed by high-energy electron diffraction. We show that in this process, a nominal 1:2:3 composition is not sufficient for the obtention of flat superconducting film. A good accuracy in the number of atoms deposited for each atomic layer is required.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.103430
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