Publication | Closed Access
Thermal properties of high-T<sub>c</sub>superconductors
29
Citations
15
References
1988
Year
Superconducting MaterialEngineeringBulk ModulusSuperconductivityHigh Tc SuperconductorsThermal AnalysisThermophysicsThermodynamicsThermomechanical AnalysisSuperconducting DevicesLow-temperature SuperconductivityMaterials ScienceThermoanalytical MethodHigh-tc SuperconductivityPhysicsCompressibility MeasurementsHigh Temperature MaterialsSoft ModeHigh-temperature SuperconductivityCondensed Matter PhysicsApplied PhysicsLinear Thermal ExpansivityQuantum SuperconductivityThermal Properties
Data are reported for the linear thermal expansivity, alpha , of one sample of La1.85Sr0.15CuO4 and four samples of YBa2Cu3O7 in the temperature range 2 to 1000 K. Values are calculated for the Gruneisen parameter, gamma approximately=0.7, using ultrasonic data for the elastic moduli. Published compressibility measurements give much higher values of the bulk modulus and of gamma .
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