Specific heat of YBa2Cu3O7-delta: paramagnetic centers; evidence for line nodes in the energy gap

Authors
Phillips, NE Fisher, RA Emerson, JP Gordon, JE Woodfield, BF Wright, DA
Citation
Ne. Phillips et al., Specific heat of YBa2Cu3O7-delta: paramagnetic centers; evidence for line nodes in the energy gap, PHYSICA C, 341, 2000, pp. 1805-1808
Citations number
18
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA C
ISSN journal
09214534 → ACNP
Volume
341
Year of publication
2000
Part
3
Pages
1805 - 1808
Database
ISI
SICI code
0921-4534(200011)341:<1805:SHOYPC>2.0.ZU;2-3
Abstract
Specific-heat data on YBa2Cu3O7-delta, 0 < <delta> < 0.2, have been analyze d to show the presence of spin-2, as well as spin-1/2, paramagnetic centers . Evidence of line nodes in the energy gap, including conformity to a predi cted scaling relation, is reported.