Journal
EPL
Volume 85, Issue 1, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/85/17004
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Funding
- Moore Foundation
- Kavli Foundation through the Kavli Nanoscience Institute at Caltech
- NSF [DMR-0405088]
- MOST/KOSEF of Korea
- Sogang University
- Intel Graduate Fellowship
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We present the first demonstration of vortices in an electron-type cuprate superconductor, the highest T-c(=43 K) electron- type cuprate Sr0.9La0.1CuO2. Our spatially resolved quasiparticle tunneling spectra reveal a hidden low-energy pseudogap inside the vortex core and unconventional spectral evolution with temperature and magnetic field. These results cannot be easily explained by the scenario of pure superconductivity in the ground state of high-T-c superconductivity. Copyright (C) EPLA, 2009
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