Arpes study of the superconducting gap and pseudogap in Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+x}.
Journal Article
·
· J. Phys. Chem. Solids
OSTI ID:942574
In this paper, we review some of our ARPES results on the superconducting and pseudogaps in Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+x}. We find that optimally and overdoped samples exhibit a d-wave gap, which closes at the same temperature, T{sub c}, for all k points. In underdoped samples, a leading edge gap is found up to a temperature T*>T{sub c}. We find that T* scales with the maximum low temperature gap, increasing as the doping is reduced. The momentum dependence of the pseudogap is similar to that of the superconducting gap; however, the pseudogap closes at different temperatures for different k points.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC; NSF
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 942574
- Report Number(s):
- ANL/MSD/JA-32697
- Journal Information:
- J. Phys. Chem. Solids, Journal Name: J. Phys. Chem. Solids Journal Issue: 10-12 ; 1998 Vol. 59; ISSN 0022-3697; ISSN JPCSAW
- Country of Publication:
- United States
- Language:
- ENGLISH
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