TITLE

Two-beam photoacoustic phase measurement of the thermal diffusivity of a Gd-doped bulk YBCO

AUTHOR(S)
Aravind, M.; Fung, P.C.W.; Tang, S.Y.; Tam, H.L.
PUB. DATE
April 1996
SOURCE
Review of Scientific Instruments;Apr96, Vol. 67 Issue 4, p1564
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Reports on the application of a two-beam photoacoustic phase measurement to measure quantitatively the thermal diffusivity of a ceramic bulk superconductors. Validity of thermoelastic bending; Dip seen at the resistivity transition onset temperature; Confirmation of the presence of a large energy gap and strong electron-phonon coupling mechanism.
ACCESSION #
4302048

 

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