Elastic properties and debye characteristic temperature of partially melted YBa/sub 2/Cu/sub 3/O/sub 7-chi/ superconductor

Journal Article · Sat Oct 01 04:00:00 EDT 1988 · Modern Physics Letters B; (USA)

DOI:https://doi.org/10.1142/S0217984988000990· OSTI ID:5733456

Lee, D F; Salama, K ^[1]

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1. Houston Univ., TX (USA). Dept. of Mechanical Engineering

The quasi-isotropic elastic constants are measured in a 85% dense partially melted YBa/sub 2/Cu/sub 3/O/sub 7-x/ superconductor in the temperature range 80-300 {Kappa}. The room temperature values of the longitudinal and shear moduli of the void-free material are found to be 168 and 59 GPa respectively, and no decrease in these constants is observed during the transition from normal to superconducting states. The Debye temperature is found to be 426 {Kappa} which is comparable to that of the tetragonal phase polycrystalline BaTiO/sub 3/ (429 {Kappa}).

• OSTI ID: 5733456
• Journal Information: Modern Physics Letters B; (USA), Journal Name: Modern Physics Letters B; (USA) Vol. 2:9; ISSN MPLBE; ISSN 0217-9849
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360202* -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
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
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CRYSTALS
DEBYE TEMPERATURE
ELASTICITY
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
HIGH TEMPERATURE
MECHANICAL PROPERTIES
OXIDES
OXYGEN COMPOUNDS
PHASE STUDIES
PHYSICAL PROPERTIES
POLYCRYSTALS
QUASI PARTICLES
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TENSILE PROPERTIES
TETRAGONAL LATTICES
TITANIUM COMPOUNDS
TITANIUM OXIDES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES