Investigation of transverse Peltier effect on top-seeded melt textureYBa2Cu3O7 – 
The transverse Peltier effect is investigated on the top-seeded melt texture superconductor YBa2Cu3O7 – (YBCO). By restricting the heat absorbing or evolving on one of the sample's surfaces, the...
The transverse Peltier effect is investigated on the top-seeded melt texture superconductor YBa2Cu3O7 – (YBCO). By restricting the heat absorbing or evolving on one of the sample's surfaces, the...
NiMn-pinned spin valves with high pinning field made by ion beam sputtering
Spin valves of film layer structure, Ta/NiMn/NiFe/Co/Cu/Co/NiFe/Ta/Substrate were fabricated by ion beam sputtering. Optimization of the processes of deposition and posthermal treatment yields highly ...
Spin valves of film layer structure, Ta/NiMn/NiFe/Co/Cu/Co/NiFe/Ta/Substrate were fabricated by ion beam sputtering. Optimization of the processes of deposition and posthermal treatment yields highly ...
Magneto-optic observation of anomalous Meissner current flow in superconducting thin films with slits
Appl. Phys. Lett. 69, 3590 (1996); doi:10.1063/1.117216
Issue Date: 2 December 1996
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M. Baziljevich, T. H. Johansen, and H. Bratsberg
Department of Physics, University of Oslo, Blindern, 0316 Oslo, Norway
Y. Shen and P. Vase
NKT Research Center, Sognevej 11, 2605 Br
ndby, Denmark
Department of Physics, University of Oslo, Blindern, 0316 Oslo, Norway
Y. Shen and P. Vase
NKT Research Center, Sognevej 11, 2605 Br
Slits patterned into a YBa2Cu3O7 – thin film were observed to obstruct Meissner sheet currents leading to an imbalance in the local Meissner screening properties. The new phenomenon was studied with magneto-optic imaging where twin lobes of opposite flux polarity were seen to form near the slits and inside the Meissner region. The lobe closest to the sample edge is always polarized opposite to the applied field. At weak fields, the anomalous flux generation is reversible. At higher fields, but still sufficiently small to keep the vortex penetration front away from the slits, the anomalous current starts nucleating flux lines which become trapped when the field is removed. ©1996 American Institute of Physics.
thin film were observed to obstruct Meissner sheet currents leading to an imbalance in the local Meissner screening properties. The new phenomenon was studied with magneto-optic imaging where twin lobes of opposite flux polarity were seen to form near the slits and inside the Meissner region. The lobe closest to the sample edge is always polarized opposite to the applied field. At weak fields, the anomalous flux generation is reversible. At higher fields, but still sufficiently small to keep the vortex penetration front away from the slits, the anomalous current starts nucleating flux lines which become trapped when the field is removed. ©1996 American Institute of Physics.
| History: | Received 9 July 1996; accepted 16 September 1996 |
| Permalink: |
http://link.aip.org/link/?APPLAB/69/3590/1 |
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BibSonomy
KEYWORDS and PACS
SUPERCONDUCTING FILMS,
MEISSNER –,
OCHSENFELD EFFECT,
MAGNETIC FLUX,
MAGNETO –,
OPTICAL EFFECTS,
YTTRIUM OXIDES,
BARIUM OXIDES,
COPPER OXIDES,
HIGH –,
TC SUPERCONDUCTORS,
FLUX QUANTIZATION,
VISUALIZATION
- 74.76.Bz
Superconductivity Superconducting films High-Tc films - 74.25.Ha
Superconductivity General properties; correlations between physical properties in normal and superconducting states Magnetic properties - 78.20.Jq
Optical properties, condensed matter spectroscopy and other interactions of radiation and particles with condensed matter Optical properties of bulk materials and thin films Electrooptical effects - YEAR: 1996
RELATED DATABASES
PUBLICATION DATA
0003-6951 (print)
1077-3118 (online)
AIP
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