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Title: Evidence for magnetic-field-induced decoupling of superconducting bilayers in La2-xCa1+xCu2O6

Journal Article · · Physical Review B
ORCiD logo [1];  [2];  [2];  [2];  [2];  [2]
  1. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.; Stony Brook Univ., NY (United States). Materials Science and Engineering Dept.
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). Condensed Matter Physics and Materials Science Dept.

We report a study of magnetic susceptibility and electrical resistivity as a function of temperature and magnetic field in superconducting crystals of La2-xCa1+xCu2O6 with x = 0.10 and 0.15 and transition temperature T$$m\atop{c}$$ = 54 K (determined from the susceptibility). When an external magnetic field is applied perpendicular to the CuO2 bilayers, the resistive superconducting transition measured with currents flowing perpendicular to the bilayers is substantially lower than that found with currents flowing parallel to the bilayers. Intriguingly, this anisotropic behavior is quite similar to that observed for the magnetic irreversibility points with the field applied either perpendicular or parallel to the bilayers. We discuss the results in the context of other studies that have found evidence for the decoupling of superconducting layers induced by a perpendicular magnetic field.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Center for Emergent Superconductivity (CES); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
SC0012704
OSTI ID:
1433992
Alternate ID(s):
OSTI ID: 1434404
Report Number(s):
BNL-203535-2018-JAAM; TRN: US1802339
Journal Information:
Physical Review B, Vol. 97, Issue 13; ISSN 2469-9950
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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Cited By (2)

Phase transition in the cuprates from a magnetic-field-free stiffness meter viewpoint journal June 2019
Pair Density Waves in Superconducting Vortex Halos text January 2018

Figures / Tables (5)


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