ANOMALOUSLY ENHANCED ELECTRONIC SPECIFIC-HEAT IN FE DOPED BISCO-2212 SUPERCONDUCTORS

Authors
YU MK FRANCK JP
Citation
Mk. Yu et Jp. Franck, ANOMALOUSLY ENHANCED ELECTRONIC SPECIFIC-HEAT IN FE DOPED BISCO-2212 SUPERCONDUCTORS, Physica. C, Superconductivity, 235, 1994, pp. 1757-1758
Citations number
3
Categorie Soggetti
Physics, Applied
Journal title
Physica. C, Superconductivity → ACNP
ISSN journal
09214534
Volume
235
Year of publication
1994
Part
3
Pages
1757 - 1758
Database
ISI
SICI code
0921-4534(1994)235:<1757:AEESIF>2.0.ZU;2-7
Abstract
The specific heat of Fe substituted Bi1.8Pb0.2Sr2Ca(Cu1-xFex)(2)O-8 wa s measured for x = 1, 2, 4, 6, and 8%. A large anomalous contribution to the specific heat is observed below 15 K for the substituted sample s. The anomaly suggests that Fe enters in the 3d(5) state, and that th e samples are spin glasses in the superconducting state.