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Quantum oscillations in the underdoped cuprate YBa2Cu4O8.
- Source :
-
Physical review letters [Phys Rev Lett] 2008 Feb 01; Vol. 100 (4), pp. 047003. Date of Electronic Publication: 2008 Feb 01. - Publication Year :
- 2008
-
Abstract
- We report the observation of quantum oscillations in the underdoped cuprate superconductor YBa2Cu4O8 using a tunnel-diode oscillator technique in pulsed magnetic fields up to 85 T. There is a clear signal, periodic in inverse field, with frequency 660+/-15 T and possible evidence for the presence of two components of slightly different frequency. The quasiparticle mass is m(*)=3.0+/-0.3m(e). In conjunction with the results of Doiron-Leyraud et al. for YBa2Cu3O6.5, the present measurements suggest that Fermi surface pockets are a general feature of underdoped copper oxide planes and provide information about the doping dependence of the Fermi surface.
Details
- Language :
- English
- ISSN :
- 0031-9007
- Volume :
- 100
- Issue :
- 4
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 18352321
- Full Text :
- https://doi.org/10.1103/PhysRevLett.100.047003