Nematicity and Charge Order in Superoxygenated
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PhysRevLett.121.067602.pdf
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809.03 KB
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Checksum (MD5)
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Author(s)
Zhang, Zhiwei
Sutarto, R.
He, F.
Chou, F. C.
Udby, L.
Holm, S. L.
Hines, W. A.
Budnick, J. I.
Wells, B. O.
Zhu, Zhihai
Date Issued
August 2018
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Zhang, Zhiwei et al. "Nematicity and Charge Order in Superoxygenated." Physical Review Letters 121, 6 (August 2018): 067602 © 2018 American Physical Society
Version
Final published version
Abstract
In this Letter, we report a resonant x-ray scattering measurement of stripelike charge order in the 1/8th doped component of electronically phase-separated, orthorhombic La[subscript 2]CuO[subscript 4+y]. This observation is coupled to the absence of any resonant (001) peak, which at different resonant energies has been identified with the presence of low-temperature-tetragonal-like structural tilt patterns or nematicity in the CuO planes. Thus, we provide evidence that structural pinning is not necessary for the formation of static charge stripes and that the relationship between charge nematicity and stripes may not be simple.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.121.067602
