X-ray-diffraction studies of Dy sub 1. 1 Ba sub 1. 9 Cu sub 3 O sub 7 minus. delta. (001) and Dy sub 1. 3 Ba sub 1. 7 Cu sub 3 O sub y (001)
- University of Notre Dame, Department of Electrical Engineering, Notre Dame, Indiana 46556 (United States)
Single-phase Dy{sub 1+{ital x}}Ba{sub 2{minus}{ital x}}Cu{sub 3}O{sub {ital y}}(001) thin films on LaAlO{sub 3}(100) substrates were prepared by molecular-beam deposition and post annealing and they were studied by x-ray-diffraction (XRD) and resistivity measurements. The values of lattice constant {ital c}{sub 0} were determined after correcting for sample displacement errors in the XRD measurements. For an epitaxial Dy{sub 1+{ital x}}Ba{sub 2{minus}{ital x}}Cu{sub 3}O{sub {ital y}}(001) film, which showed the onset of superconductivity at 53 K, the lattice constant {ital c}{sub 0} was determined as 11.592{plus minus}0.018 A. Similar superconducting behavior and same lattice parameter {ital c}{sub 0} have been observed for bulk Eu{sub 1.3}Ba{sub 1.7}Cu{sub 3}O{sub {ital y}} by Iwata {ital et} {ital al}. (Jpn. J. Appl. Phys. 26, L2049 (1987)). Bulk Dy{sub 1}Ba{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} and Eu{sub 1}Ba{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} have almost the same lattice parameters.
- DOE Contract Number:
- FG02-90ER45427
- OSTI ID:
- 5002202
- Journal Information:
- Physical Review, B: Condensed Matter; (United States), Journal Name: Physical Review, B: Condensed Matter; (United States) Vol. 45:9; ISSN 0163-1829; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360207 -- Ceramics
Cermets
& Refractories-- Superconducting Properties-- (1992-)
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTALS
DIFFRACTION
DYSPROSIUM COMPOUNDS
DYSPROSIUM OXIDES
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FILMS
HIGH-TC SUPERCONDUCTORS
LATTICE PARAMETERS
MONOCRYSTALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SCATTERING
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
X-RAY DIFFRACTION