Superconducting thin-film multiturn coils of YBA2Cu3O7-x
We describe a technique for fabricating superconducting thin-film multiturn coils from the high-temperature superconductor YBa2Cu3O7−x. We have built 10-turn and 19-turn square spiral coils, 1 mm on a side, that are suitable for coupling to a thin-film dc superconducting quantum interference device....
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| Veröffentlicht in: | Applied physics letters 1990-06, Vol.56 (23), p.2336-2338 |
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| container_issue | 23 |
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| container_title | Applied physics letters |
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| creator | WELLSTOOD, F. C KINGSTON, J. J CLARKE, J |
| description | We describe a technique for fabricating superconducting thin-film multiturn coils from the high-temperature superconductor YBa2Cu3O7−x. We have built 10-turn and 19-turn square spiral coils, 1 mm on a side, that are suitable for coupling to a thin-film dc superconducting quantum interference device. The coils are constructed with a three-layer crossover technology using SrTiO3 as an insulator. Each layer is deposited in situ with a pulsed excimer laser, and is patterned with shadow masks or photoresist and an Ar ion mill. The best coil had a transition temperature of approximately 82 K, and a critical current at 77 K of 1.4 mA, corresponding to a critical current density of 2×104 A cm−2. |
| doi_str_mv | 10.1063/1.103247 |
| format | Article |
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| ispartof | Applied physics letters, 1990-06, Vol.56 (23), p.2336-2338 |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_crossref_primary_10_1063_1_103247 |
| source | AIP Digital Archive |
| subjects | Applied sciences Electronics Exact sciences and technology Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices |
| title | Superconducting thin-film multiturn coils of YBA2Cu3O7-x |
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