| Paper Abstract and Keywords |
| Presentation |
2007-07-27 13:50
Evaluation of the characteristic voltage for Nb/AlOx/Nb Josephson junctions
Masaaki Maezawa, Fuminori Hirayama (AIST) |
| Abstract |
(in Japanese) |
(See Japanese page) |
| (in English) |
The characteristic voltage Vc of Josephson junctions, which is defined as a product of the critical current Ic and normal-state resistance Rn, is a key parameter in the electronics applications and also in the Josephson-device physics. We propose a precise method for evaluating the characteristic voltage Vc of superconductor-insulator-superconductor-type Josephson junctions. Statistical data for Nb/AlOx/Nb junctions fabricated by using the AIST standard Nb technology are presented. The average of the experimental Vc was approximately 1.7 mV at 4.2 K, 75% of the predicted value by the Ambegaokar-Baratoff theory. The main cause of the discrepancy between the experiment and theory is not clear at the moment. |
| Keyword |
(in Japanese) |
(See Japanese page) |
| (in English) |
Josephson junction / Nb/AlOx/Nb / Superconductor device / Characteristic voltage / IcRn product / / / |
| Reference Info. |
IEICE Tech. Rep., vol. 107, no. 171, SCE2007-17, pp. 27-32, July 2007. |
| Paper # |
SCE2007-17 |
| Date of Issue |
2007-07-20 (SCE) |
| ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
| Download PDF |
|
| Conference Information |
| Committee |
SCE |
| Conference Date |
2007-07-27 - 2007-07-27 |
| Place (in Japanese) |
(See Japanese page) |
| Place (in English) |
Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) |
(See Japanese page) |
| Topics (in English) |
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| Paper Information |
| Registration To |
SCE |
| Conference Code |
2007-07-SCE |
| Language |
Japanese |
| Title (in Japanese) |
(See Japanese page) |
| Sub Title (in Japanese) |
(See Japanese page) |
| Title (in English) |
Evaluation of the characteristic voltage for Nb/AlOx/Nb Josephson junctions |
| Sub Title (in English) |
|
| Keyword(1) |
Josephson junction |
| Keyword(2) |
Nb/AlOx/Nb |
| Keyword(3) |
Superconductor device |
| Keyword(4) |
Characteristic voltage |
| Keyword(5) |
IcRn product |
| Keyword(6) |
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| Keyword(7) |
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| Keyword(8) |
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| 1st Author's Name |
Masaaki Maezawa |
| 1st Author's Affiliation |
National Institute of Advanced Industrial Sience and Technology (AIST) |
| 2nd Author's Name |
Fuminori Hirayama |
| 2nd Author's Affiliation |
National Institute of Advanced Industrial Sience and Technology (AIST) |
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| Speaker |
Author-1 |
| Date Time |
2007-07-27 13:50:00 |
| Presentation Time |
25 minutes |
| Registration for |
SCE |
| Paper # |
SCE2007-17 |
| Volume (vol) |
vol.107 |
| Number (no) |
no.171 |
| Page |
pp.27-32 |
| #Pages |
6 |
| Date of Issue |
2007-07-20 (SCE) |