Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
66 (1995), S. 2283-2285
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Superconductivity with Tc(approximately-equal-to)25–45 K has been induced in films based on the "infinite layer'' structure though high temperature annealing in an oxygen ambient. The films had compositions Srn+1CunO2n+1+δ (n=3–9) and were previously grown by laser molecular beam epitaxy by periodic insertion of SrO defect layers into the SrCuO2 infinite layer matrix. A marked dependence on the cooling rate at the end of the postgrowth anneals indicates that preservation of a high temperature oxygen sublattice forms the key to enhancing the carrier density in these films, opposite to the situation with YBa2Cu3O7−δ . © 1995 American Institute of Physics.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.113193
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