Laser scanning imaging and local characterization of superconducting properties in high-Tc thin film multiturn coil
| Autor: | Alexander P. Zhuravel, A. G. Sivakov, Jakob Flokstra, G.C.S. Brons, Johannes W.M. Hilgenkamp, Horst Rogalla, I.M. Dmitrenko, O. G. Turutanov |
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| Přispěvatelé: | Faculty of Science and Technology |
| Rok vydání: | 1994 |
| Předmět: |
Superconductivity
Materials science High-temperature superconductivity Laser scanning METIS-128568 business.industry Scanning electron microscope Energy Engineering and Power Technology Dielectric Condensed Matter Physics Electronic Optical and Magnetic Materials law.invention law Electromagnetic coil IR-23769 Optoelectronics Electrical and Electronic Engineering Thin film business Layer (electronics) |
| Zdroj: | Physica C, 232(1-2), 93-98. Elsevier |
| ISSN: | 0921-4534 |
| DOI: | 10.1016/0921-4534(94)90298-4 |
| Popis: | Low-temperature scanning laser microscopy has been used to investigate the spatial variation of the critical temperature Tc and critical current Ic in thin-film high-Tc multilayer structures that include dielectric layers. The method is described and measurements are presented on an YBa2Cu3O7-x-based multiturn coil with SrTiO3 insulating layer. We found that the critical temperature Tc of the YBa2Cu3O7-x top layer, from which the return strip of the coil is formed, is higher than that of the YBa2Cu3O7-x base layer. The critical current of the coil is limited by the quality of the YBa2Cu3O7-x base layer and not by the edges of the crossovers. |
| Databáze: | OpenAIRE |
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