Abstract
Crystalline disorder in the pnictide superconductor PrFeAsO1-y is studied using magneto-optical visualisation of flux penetration, Transmission Electron Microscopy, and X-ray diffraction using synchrotron radiation. Critical state-like flux distributions and the magnitude and temperature dependence of the critical current demonstrate bulk vortex pinning by oxygen vacancies at all temperatures.
Original language | English |
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Pages (from-to) | S385-S386 |
Journal | Physica C: Superconductivity and its applications |
Volume | 470 |
Issue number | SUPPL.1 |
DOIs | |
Publication status | Published - 2010 Dec |
Keywords
- Crystalline disorder
- Flux pinning
- Iron-pnictide superconductors
- Point defects
- Superconducting vortices
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering