期刊
PHYSICAL REVIEW LETTERS
卷 110, 期 13, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.110.137004
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资金
- EPSRC [EP/G027161/1, EP/J015423/1, EP/J016977/1]
- Wolfson Foundation
- Royal Society
- Office of Basic Energy Sciences, U.S. Department of Energy [DE-AC02-98CH10886]
- Danish Agency for Science, Technology, and Innovation under DANSCATT
- Swiss National Science Foundation through NCCR-MaNEP [PZ00P2_142434]
- Swiss National Science Foundation (SNF) [PZ00P2_142434] Funding Source: Swiss National Science Foundation (SNF)
- EPSRC [EP/J016977/1, EP/G027161/1, EP/J015423/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/J016977/1, EP/G027161/1, EP/J015423/1] Funding Source: researchfish
X-ray diffraction measurements show that the high-temperature superconductor YBa2Cu3O6.54, with ortho-II oxygen order, has charge-density-wave order in the absence of an applied magnetic field. The dominant wave vector of the charge density wave is q(CDW) = (0, 0.328(2), 0.5), with the in-plane component parallel to the b axis (chain direction). It has a similar incommensurability to that observed in ortho-VIII and ortho-III samples, which have different dopings and oxygen orderings. Our results for ortho-II contrast with recent high-field NMR measurements, which suggest a commensurate wave vector along the a axis. We discuss the relationship between spin and charge correlations in YBa2Cu3Oy and recent high-field quantum oscillation, NMR, and ultrasound experiments. DOI: 10.1103/PhysRevLett.110.137004
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