Universal precursor of superconductivity in the cuprates

Guichuan Yu, D. D. Xia, D. Pelc, R. H. He, N. H. Kaneko, T. Sasagawa, Y. Li, X. Zhao, N. Barišić, A. Shekhter, Martin Greven

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Using torque magnetometry, we reveal remarkably simple universal behavior of the superconducting (SC) precursor in the cuprates by tracking the nonlinear diamagnetism above Tc in four distinct compounds: single-CuO2-layer HgBa2CuO4+δ, La2-xSrxCuO4 and Bi2(Sr,La)2CuO6+δ, and double-layer Bi2Sr2Ca0.95Y0.05Cu2O8+δ. We find that SC diamagnetism vanishes in an exponential manner, characterized by a universal temperature scale that is approximately independent of compound and Tc. We discuss the possibility that this unusual behavior signifies the proliferation of SC clusters as a result of intrinsic inhomogeneity inherent to the cuprates.

Original languageEnglish (US)
Article number214502
JournalPhysical Review B
Volume99
Issue number21
DOIs
StatePublished - Jun 10 2019

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Diamagnetism
diamagnetism
Superconductivity
cuprates
superconductivity
Temperature scales
temperature scales
magnetic measurement
torque
inhomogeneity
Torque
Magnetometry

How much support was provided by MRSEC?

  • Partial

Reporting period for MRSEC

  • Period 6

Cite this

Yu, G., Xia, D. D., Pelc, D., He, R. H., Kaneko, N. H., Sasagawa, T., ... Greven, M. (2019). Universal precursor of superconductivity in the cuprates. Physical Review B, 99(21), [214502]. https://doi.org/10.1103/PhysRevB.99.214502

Universal precursor of superconductivity in the cuprates. / Yu, Guichuan; Xia, D. D.; Pelc, D.; He, R. H.; Kaneko, N. H.; Sasagawa, T.; Li, Y.; Zhao, X.; Barišić, N.; Shekhter, A.; Greven, Martin.

In: Physical Review B, Vol. 99, No. 21, 214502, 10.06.2019.

Research output: Contribution to journalArticle

Yu, G, Xia, DD, Pelc, D, He, RH, Kaneko, NH, Sasagawa, T, Li, Y, Zhao, X, Barišić, N, Shekhter, A & Greven, M 2019, 'Universal precursor of superconductivity in the cuprates', Physical Review B, vol. 99, no. 21, 214502. https://doi.org/10.1103/PhysRevB.99.214502
Yu G, Xia DD, Pelc D, He RH, Kaneko NH, Sasagawa T et al. Universal precursor of superconductivity in the cuprates. Physical Review B. 2019 Jun 10;99(21). 214502. https://doi.org/10.1103/PhysRevB.99.214502
Yu, Guichuan ; Xia, D. D. ; Pelc, D. ; He, R. H. ; Kaneko, N. H. ; Sasagawa, T. ; Li, Y. ; Zhao, X. ; Barišić, N. ; Shekhter, A. ; Greven, Martin. / Universal precursor of superconductivity in the cuprates. In: Physical Review B. 2019 ; Vol. 99, No. 21.
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