- Abstract:
-
We report the discovery of a self-doped multilayer high Tc superconductor Ba2Ca3Cu4O8F2 (F0234) which contains distinctly different superconducting gap magnitudes along its two Fermi-surface sheets. While formal valence counting would imply this material to be an undoped insulator, it is a self-doped superconductor with a Tc of 60 K, possessing simultaneously both electron- and hole-doped Fermi-surface sheets. Intriguingly, the Fermi-surface sheet characterized by the much larger gap is the e...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/physrevlett.97.236401
-
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- Journal:
- Physical review letters
- Volume:
- 97
- Issue:
- 23
- Pages:
- 236401
- Publication date:
- 2006-12-05
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- URN:
-
uuid:c79362f9-e4da-47a1-b375-4eac66bd3cbf
- Source identifiers:
-
213540
- Local pid:
- pubs:213540
- Language:
- English
- Copyright date:
- 2006
Journal article
Anomalous Fermi-surface dependent pairing in a self-doped high-Tc superconductor.
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