Journal
PHYSICAL REVIEW B
Volume 85, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.85.104504
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Funding
- Deutsch-Israelische Projektkooperation program
- US-Israel Binational Science Foundation
- Harry de Jur Chair in Applied Science
- Leverhulme Trust
- Royal Society
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Scanning tunneling spectroscopy measurements performed on La0.7Ca0.3Mn3O (LCMO) films epitaxially grown on Pr1.85Ce0.15CuO4 (PCCO) reveal localized penetration of superconductivity into the LCMO up to distances much larger than is possible for Cooper pairs in a singlet spin state to exist. This long-range proximity effect is manifested in the tunneling spectra as gaps and, less abundantly, as zero-bias conductance peaks (ZBCPs). Since ZBCPs were not found on the bare PCCO films, their appearance is attributed to an anisotropic (p wave or d wave) triplet-pairing superconductor order parameter induced in the LCMO.
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