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Observation of hotspot in BSCCO thin film structure by fluorescent thermal imaging |
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| Authors: | Sanyalak Niratisairak yvind Haugen Tom H Johansen Takayuki Ishibashi |
| Institution: | aDepartment of Physics, University of Oslo, P.O. Box 1048, Blindern, 0316 Oslo, Norway bDepartment of Materials Science and Technology, Nagaoka University of Technology, Nagaoka, Niigata 940-2188, Japan |
| Abstract: | Hotspot formation is observed in a structured thin superconducting film of Bi2Sr2CaCu2Ox (BSCCO) using the fluorescent thermal imaging technique. The BSCCO film is deposited on SrTiO3 (STO) and has a superconducting transition at 80 K. A film of rare-earth doped polymer film deposited directly on the superconductor is used as thermal sensor down to 4 K. |
| Keywords: | High Tc film BSCCO (2 2 1 2) Photoluminescence Surface temperature |
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