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Compensated electron and hole pockets in an underdoped high-T-c superconductor

Abstract:

We report quantum oscillations in the underdoped high-temperature superconductor YBa2 Cu3 O6+x over a wide range in magnetic field 28≤ μ0 H≤85 T corresponding to ≈12 oscillations, enabling the Fermi surface topology to be mapped to high resolution. As earlier reported by Sebastian [Nature (London) 454, 200 (2008)10.1038/nature07095], we find a Fermi surface comprising multiple pockets, as revealed by the additional distinct quantum oscillation frequencies and harmonics reported in this work. ...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.81.214524

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Role:
Author
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Journal:
PHYSICAL REVIEW B
Volume:
81
Issue:
21
Publication date:
2010-06-28
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:3321b27e-aeba-47dd-84c9-7c2d11198612
Source identifiers:
158894
Local pid:
pubs:158894
Language:
English

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