Two-dimensional magnetic and superconducting phases in metal-insulator La(2-x)Sr(x)CuO(4) superlattices measured by muon-spin rotation.
- Suter A Laboratory for Muon Spin Spectroscopy, Paul Scherrer Institute, 5232 Villigen PSI, Switzerland. andreas.suter@psi.ch
- Morenzoni E
- Prokscha T
- Wojek BM
- Luetkens H
- Nieuwenhuys G
- Gozar A
- Logvenov G
- Božović I
- 2011-07-21
Published in:
- Physical review letters. - 2011
English
We show, by means of low-energy muon-spin rotation measurements, that few-unit-cells thick La(2)CuO(4) layers synthesized digitally by molecular beam epitaxy are antiferromagnetically ordered. Below a thickness of about 5 CuO(2) layers the long-range ordered state breaks down, and a magnetic state appears with enhanced quantum fluctuations and a reduced spin stiffness. This magnetic state can exist in close proximity (few Å) to high-temperature superconducting layers, without transmitting supercurrents.
- Language
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- English
- Open access status
- hybrid
- Identifiers
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- DOI 10.1103/PhysRevLett.106.237003
- PMID 21770540
- Persistent URL
- https://sonar.ch/global/documents/278444
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