Ion-channeling investigation of thermal vibrational amplitudes across the superconducting transition in YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
Ion-channeling measurements reveal that the thermal vibrational amplitude, u/sub 1/, decreases markedly from 0.008 to 0.0056 nm as the temperature of orthorhombic single crystals of YBa/sub 2/Cu/sub 3/O/sub 7-//sub delta/ is lowered from 300 to 220 K. The rate of this decrease slows at lower temperatures, with u/sub 1/ reaching a value of 0.0042 nm at 100 K. Further cooling of the sample across the superconducting transition region (to 85 K) produces an abrupt, additional decrease in u/sub 1/ to 0.0035 nm. This abrupt lattice stiffening corresponds to an approx.140 K increase in Debye temperature across the superconducting transition.
- Research Organization:
- Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439
- OSTI ID:
- 6749251
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 38:13; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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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
ANISOTROPY
ANNEALING
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
CHANNELING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DEBYE TEMPERATURE
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HEAT TREATMENTS
ION CHANNELING
LATTICE VIBRATIONS
LOW TEMPERATURE
MECHANICAL PROPERTIES
MEDIUM TEMPERATURE
ORTHORHOMBIC LATTICES
OXIDES
OXYGEN COMPOUNDS
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
STOICHIOMETRY
SUPERCONDUCTIVITY
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
YOUNG MODULUS
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
ANISOTROPY
ANNEALING
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
CHANNELING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DEBYE TEMPERATURE
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HEAT TREATMENTS
ION CHANNELING
LATTICE VIBRATIONS
LOW TEMPERATURE
MECHANICAL PROPERTIES
MEDIUM TEMPERATURE
ORTHORHOMBIC LATTICES
OXIDES
OXYGEN COMPOUNDS
PHONONS
PHYSICAL PROPERTIES
QUASI PARTICLES
STOICHIOMETRY
SUPERCONDUCTIVITY
TEMPERATURE DEPENDENCE
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
YOUNG MODULUS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES