Tunneling spectra of break junctions involving Nb₃Sn
Vernadsky National Library of Ukraine
Переглянути архів Інформація| Поле | Співвідношення | |
| Title |
Tunneling spectra of break junctions involving Nb₃Sn
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| Creator |
Ekino, Toshikazu
Sugimoto, Akira Sakai, Yuta Gabovich, A.M. Akimitsu, Jun |
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| Subject |
III Международный семинар по микроконтактной спектроскопии
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| Description |
The electronic gap structure of Nb3Sn was measured by the break-junction (BJ) tunneling technique. The superconducting gap values are estimated to be in the range 2∆ = 4–5.5 meV at T = 4.2 K as follows from the observed distinct conductance peaks. In addition to the superconducting gap structure, we observed reproducible hump-like structures at the biases of about ± 20 and ± 50 mV. Such a coexistence of gap and hump structures resembles the situation found in the high-Tc copper-oxide superconductors. Above the superconducting critical temperature Tc ~ 18 K, the humps appear as the only gap-like structures. Their possible origin is discussed in connection to the structural phase transition occurring in Nb₃Sn. |
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| Date |
2017-06-08T04:31:01Z
2017-06-08T04:31:01Z 2014 |
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| Type |
Article
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| Identifier |
Tunneling spectra of break junctions involving Nb₃Sn / Toshikazu Ekino, Akira Sugimoto, Yuta Sakai, A.M. Gabovich, Jun Akimitsu // Физика низких температур. — 2014. — Т. 40, № 10. — С. 1182-1186. — Бібліогр.: 24 назв. — англ.
0132-6414 PACS 74.55.+v, 74.70.Ad, 71.20.–b, 74.81.Fa, 81.30.Kf http://dspace.nbuv.gov.ua/handle/123456789/119668 |
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| Language |
en
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| Relation |
Физика низких температур
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| Publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
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