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Electron Microscopy Study on Magnetic Flux Lines in Superconductors: Memorial to Akira Tonomura.
- Source :
-
IEEE Transactions on Applied Superconductivity . Jan2013, Vol. 23 Issue 1, p8000507-8000507. 7p. - Publication Year :
- 2013
-
Abstract
- Using electron holography and coherent beam Lorentz microscopy, Akira Tonomura investigated the physics of magnetic flux lines, or vortices, in metal and high-temperature superconductors for more than 20 years. The methodology he developed for doing this made use of coherent electron waves from cold-emission (field-emission) sources and their quantum–mechanical phase shifts. Using 300-kV and 1-MV electron microscopes, Tonomura and his team clarified the dynamic behavior of magnetic flux lines in Pb and Nb superconductors and in high-temperature \YBa2\Cu3\O7-\delta and \Bi2\Sr2\CaCu2\O8 + \delta superconductors. This memorial paper reviews the static and dynamic flux-line behaviors in superconductors as revealed by their results. [ABSTRACT FROM PUBLISHER]
Details
- Language :
- English
- ISSN :
- 10518223
- Volume :
- 23
- Issue :
- 1
- Database :
- Academic Search Index
- Journal :
- IEEE Transactions on Applied Superconductivity
- Publication Type :
- Academic Journal
- Accession number :
- 84994151
- Full Text :
- https://doi.org/10.1109/TASC.2012.2232924