Shift of phonon anomaly with T sub c observed in (Y,Er)Ba sub 2 Cu sub 3 O sub 7 minus. delta. by ion channeling
Journal Article
·
· Physical Review (Section) B: Condensed Matter; (USA)
- Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439 (US)
Ion channeling and Rutherford backscattering (RBS) in small, high-quality single crystals of (Y,Er)Ba{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} has previously shown an abrupt anomaly at {ital T}{sub {ital c}}in displacements perpendicular to the {ital c} axis of atoms in the (001) Cu-O rows. Here we report additional RBS-channeling results, and new characteristic x-ray measurements that permit more direct identification of the displacements of the individual atomic species in both materials. It is demonstrated that the observed phonon anomaly shifts directly with stoichiometry-induced changes in {ital T}{sub {ital c}}.
- DOE Contract Number:
- W-31109-ENG-38
- OSTI ID:
- 5117279
- Journal Information:
- Physical Review (Section) B: Condensed Matter; (USA), Journal Name: Physical Review (Section) B: Condensed Matter; (USA) Vol. 40:16; ISSN PRBMD; ISSN 0163-1829
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Conference
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Tue Oct 31 23:00:00 EST 1989
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OSTI ID:5344955
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· Physical Review, B: Condensed Matter; (USA)
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
CHANNELING
CHARGED PARTICLES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTALS
DIFFRACTION
ELASTIC SCATTERING
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY RANGE
ERBIUM COMPOUNDS
ERBIUM OXIDES
HELIUM IONS
INTERACTIONS
ION CHANNELING
IONS
MEV RANGE
MEV RANGE 01-10
MONOCRYSTALS
OXIDES
OXYGEN COMPOUNDS
PAIRING INTERACTIONS
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
RARE EARTH COMPOUNDS
RUTHERFORD SCATTERING
SCATTERING
STOICHIOMETRY
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
CHANNELING
CHARGED PARTICLES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTALS
DIFFRACTION
ELASTIC SCATTERING
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY RANGE
ERBIUM COMPOUNDS
ERBIUM OXIDES
HELIUM IONS
INTERACTIONS
ION CHANNELING
IONS
MEV RANGE
MEV RANGE 01-10
MONOCRYSTALS
OXIDES
OXYGEN COMPOUNDS
PAIRING INTERACTIONS
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
RARE EARTH COMPOUNDS
RUTHERFORD SCATTERING
SCATTERING
STOICHIOMETRY
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES