The heat capacity and derived thermophysical properties of the high TC superconductor YBa2Cu3O7−δ from 5.3 to 350 K
dc.contributor.author | Shaviv, Roey | en_US |
dc.contributor.author | Westrum, Edgar F. Jr. | en_US |
dc.contributor.author | Brown, R. Julian C. | en_US |
dc.contributor.author | Sayer, M. | en_US |
dc.contributor.author | Yu, X. | en_US |
dc.contributor.author | Weir, Ron D. | en_US |
dc.date.accessioned | 2010-05-06T23:24:19Z | |
dc.date.available | 2010-05-06T23:24:19Z | |
dc.date.issued | 1990-06-01 | en_US |
dc.identifier.citation | Shaviv, R.; Westrum, E. F.; Brown, R. J. C.; Sayer, M.; Yu, X.; Weir, R. D. (1990). "The heat capacity and derived thermophysical properties of the high TC superconductor YBa2Cu3O7−δ from 5.3 to 350 K." The Journal of Chemical Physics 92(11): 6794-6799. <http://hdl.handle.net/2027.42/71226> | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/71226 | |
dc.description.abstract | The heat capacity of the perovskite high‐TC superconductor YBa2Cu3O7−δ was measured from 5.3 to 350 K in an adiabatic calorimetric cryostat. A break in the heat‐capacity curve, associated with the critical temperature for superconductivity was observed between 90.09 and 92.59 K. The transition temperature was identified as 91.44 K, and ΔCp,m was calculated to be 0.559R at that temperature. The lattice heat capacity was evaluated by means of the recently developed Komada/Westrum phonon distribution model and the apparent characteristic temperature ΘKW was calculated to be 107.7 K. The excess electronic heat capacity for the superconducting phase was evaluated and the energy gap was identified as 234. R K. Excess contribution, resulting from magnetic impurities, was noted below 20 K. Thermodynamic properties at selected temperatures are presented. | en_US |
dc.format.extent | 3102 bytes | |
dc.format.extent | 445725 bytes | |
dc.format.mimetype | text/plain | |
dc.format.mimetype | application/pdf | |
dc.publisher | The American Institute of Physics | en_US |
dc.rights | © The American Institute of Physics | en_US |
dc.title | The heat capacity and derived thermophysical properties of the high TC superconductor YBa2Cu3O7−δ from 5.3 to 350 K | en_US |
dc.type | Article | en_US |
dc.subject.hlbsecondlevel | Physics | en_US |
dc.subject.hlbtoplevel | Science | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109 | en_US |
dc.contributor.affiliationother | Department of Chemistry, Queen’s University, Kingston, Ontario K7L 3N6, Canada | en_US |
dc.contributor.affiliationother | Department of Physics, Queen’s University, Kingston, Ontario K7L 3N6, Canada | en_US |
dc.contributor.affiliationother | Department of Chemistry and Chemical Engineering, Royal Military College, Kingston, Ontario K7K 5L0, Canada | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/71226/2/JCPSA6-92-11-6794-1.pdf | |
dc.identifier.doi | 10.1063/1.458266 | en_US |
dc.identifier.source | The Journal of Chemical Physics | en_US |
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dc.owningcollname | Physics, Department of |
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