Observation of an oxygen isotope effect in superconducting (Y sub 1 minus x Pr sub x )Ba sub 2 Cu sub 3 O sub 7 minus. delta
Journal Article
·
· Physical Review, B: Condensed Matter; (United States)
- Department of Physics, University of Alberta, Edmonton, Alberta (Canada)
- Department of Physics, Simon Fraser University, Burnaby, British Columbia (Canada)
- Institute for Microstructural Sciences, National Research Council of Canada, Ottawa, Ontario (Canada)
The oxygen isotope effect was studied in the system (Y{sub 1{minus}{ital x}}Pr{sub {ital x}})Ba{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} for {ital x}=0.2, 0.3, 0.4, and 0.5. It is found that the oxygen isotope exponent {alpha} increases with increasing {ital x} and therefore decreasing transition temperature {ital T}{sub {ital c}}. For the highest Pr concentrations {alpha} tends toward {alpha}=0.5. The value of the isotope exponent depends on the concentration of mobile holes. The lower this concentration is, the larger becomes the isotope exponent.
- OSTI ID:
- 5206134
- Journal Information:
- Physical Review, B: Condensed Matter; (United States), Journal Name: Physical Review, B: Condensed Matter; (United States) Vol. 44:10; ISSN 0163-1829; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
Similar Records
Superconductivity in Y{sub 0.6}Pr{sub 0.4}Ba{sub 2{minus}{ital x}}Sr{sub {ital x}}Cu{sub 3}O{sub 7{minus}{delta}}: The role of apical oxygen in hybridization
Magnetic ordering and superconductivity in Y sub 1 minus x Pr sub x Ba sub 2 Cu sub 3 O sub 7 minus y
Upper critical field and normal-state properties of single-phase Y sub 1 minus x Pr sub x Ba sub 2 Cu sub 3 O sub 7 minus. delta. compounds
Journal Article
·
Thu Jun 01 00:00:00 EDT 1995
· Physical Review, B: Condensed Matter
·
OSTI ID:55097
Magnetic ordering and superconductivity in Y sub 1 minus x Pr sub x Ba sub 2 Cu sub 3 O sub 7 minus y
Journal Article
·
Fri Sep 01 00:00:00 EDT 1989
· Physical Review (Section) B: Condensed Matter; (USA)
·
OSTI ID:5422745
Upper critical field and normal-state properties of single-phase Y sub 1 minus x Pr sub x Ba sub 2 Cu sub 3 O sub 7 minus. delta. compounds
Journal Article
·
Fri Sep 01 00:00:00 EDT 1989
· Physical Review (Section) B: Condensed Matter; (USA)
·
OSTI ID:5650475
Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
CHARGE CARRIERS
COPPER COMPOUNDS
COPPER OXIDES
EVEN-EVEN NUCLEI
HIGH-TC SUPERCONDUCTORS
HOLES
ISOTOPE EFFECTS
ISOTOPES
LIGHT NUCLEI
MAGNETIC PROPERTIES
NUCLEI
OXIDES
OXYGEN 16
OXYGEN 18
OXYGEN COMPOUNDS
OXYGEN ISOTOPES
PEROVSKITES
PHYSICAL PROPERTIES
PRASEODYMIUM COMPOUNDS
PRASEODYMIUM OXIDES
QUANTITY RATIO
RARE EARTH COMPOUNDS
SPECTRAL SHIFT
STABLE ISOTOPES
STOICHIOMETRY
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
CHARGE CARRIERS
COPPER COMPOUNDS
COPPER OXIDES
EVEN-EVEN NUCLEI
HIGH-TC SUPERCONDUCTORS
HOLES
ISOTOPE EFFECTS
ISOTOPES
LIGHT NUCLEI
MAGNETIC PROPERTIES
NUCLEI
OXIDES
OXYGEN 16
OXYGEN 18
OXYGEN COMPOUNDS
OXYGEN ISOTOPES
PEROVSKITES
PHYSICAL PROPERTIES
PRASEODYMIUM COMPOUNDS
PRASEODYMIUM OXIDES
QUANTITY RATIO
RARE EARTH COMPOUNDS
SPECTRAL SHIFT
STABLE ISOTOPES
STOICHIOMETRY
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES