Evidence for intrinsic impurities in the high-temperature superconductor Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+{delta}} from {sup 17}O nuclear magnetic resonance.
We have found that high quality crystals of Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8+{delta}} (Bi-2212) have intrinsic magnetic defects that depend on oxygen doping. Our {sup 17}O nuclear magnetic resonance spectra provide evidence that local moments form in the CuO{sub 2} plane in both normal and superconducting states. We suggest that these magnetic impurities are related to the electronic disorder that scanning tunneling microscopy experiments identify with the oxygen dopant atoms.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC; NSF
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 1002229
- Report Number(s):
- ANL/MSD/JA-68840
- Journal Information:
- Phys. Rev. B, Journal Name: Phys. Rev. B Journal Issue: Feb. 2008 Vol. 77; ISSN 1098-0121
- Country of Publication:
- United States
- Language:
- ENGLISH
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