| Presentation | 2014-01-23 Zero-crossing Shapiro steps generated in a Josephson junction having asymmetric magnetic field response Haruna TAKAHASHI, Masataka MORIYA, Takato TOKUYAMA, Hiroshi SHIMADA, Yoshinao MIZUGAKI, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In current DC voltage standards, Shapiro steps across the zero bias current axis (Zero-crossing Shapiro steps) have been already used, and they are expected to be applied for high-precision D / A converters. We have studied asymmetric 2-junction SQUIDs generating a Zero-crossing Shapiro step. It is based on using their asymmetric critical current - magnetic field characteristics obtained. In this report, instead of on asymmetric 2-junction SQUID, large Josephson junctons with asymmetric critical current - magnetic field characteristics are employed for generating a Zero-crossing Shapiro step. We demonstrate Zero-crossing Shapiro steps using a Nb/AlO_x/Nb tunnel junction and a YBa_2Cu_3O_<7_δ> grain boundary junction. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Shapiro step / Josephson effects / zero-crossing step |
| Paper # | SCE2013-37 |
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| Conference Information | |
| Committee | SCE |
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| Conference Date | 2014/1/16(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Superconductive Electronics (SCE) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Zero-crossing Shapiro steps generated in a Josephson junction having asymmetric magnetic field response |
| Sub Title (in English) | |
| Keyword(1) | Shapiro step |
| Keyword(2) | Josephson effects |
| Keyword(3) | zero-crossing step |
| 1st Author's Name | Haruna TAKAHASHI |
| 1st Author's Affiliation | The University of Electro-Communications() |
| 2nd Author's Name | Masataka MORIYA |
| 2nd Author's Affiliation | The University of Electro-Communications |
| 3rd Author's Name | Takato TOKUYAMA |
| 3rd Author's Affiliation | The University of Electro-Communications |
| 4th Author's Name | Hiroshi SHIMADA |
| 4th Author's Affiliation | The University of Electro-Communications |
| 5th Author's Name | Yoshinao MIZUGAKI |
| 5th Author's Affiliation | The University of Electro-Communications |
| Date | 2014-01-23 |
| Paper # | SCE2013-37 |
| Volume (vol) | vol.113 |
| Number (no) | 401 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |