Thermal conductivity of polycrystalline YBa sub 2 Cu sub 3 O sub 7 minus. delta. in a magnetic field

The thermal conductivity of high-purity sintered YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} powder, in both zero magnetic field and a field of 3 T, has been measured at temperatures from 5 to 26 K. There is a reduction in the thermal conductivity when the magnetic field is applied perpendicular to th...

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Veröffentlicht in:	Physical review. B, Condensed matter Condensed matter, 1990-04, Vol.41:10
Hauptverfasser:	Zhu, D., Anderson, A.C., Friedmann, T.A., Ginsberg, D.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	360204 - Ceramics, Cermets, & Refractories- Physical Properties ALKALINE EARTH METAL COMPOUNDS BARIUM COMPOUNDS BARIUM OXIDES CHALCOGENIDES COPPER COMPOUNDS COPPER OXIDES CRYSTALS MAGNETIC FIELDS MATERIALS SCIENCE OXIDES OXYGEN COMPOUNDS PHONONS PHYSICAL PROPERTIES POLYCRYSTALS POWDERS QUASI PARTICLES SUPERCONDUCTORS THERMAL CONDUCTIVITY THERMODYNAMIC PROPERTIES TRANSITION ELEMENT COMPOUNDS TYPE-II SUPERCONDUCTORS ULTRALOW TEMPERATURE VERY LOW TEMPERATURE YTTRIUM COMPOUNDS YTTRIUM OXIDES
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Zusammenfassung:	The thermal conductivity of high-purity sintered YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} powder, in both zero magnetic field and a field of 3 T, has been measured at temperatures from 5 to 26 K. There is a reduction in the thermal conductivity when the magnetic field is applied perpendicular to the direction of heat flow. The results are compared with a crude model that assumes the scattering of phonons by magnetic fluxoids.
ISSN:	0163-1829 1095-3795
DOI:	10.1103/PhysRevB.41.6605