Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂

Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂

We have measured the dV/dI vs. V characteristics of point contacts between the heavy-fermion superconductor URu₂Si₂ and the conventional superconductors Zn and NbTi. Contacts between URu₂Si₂ and Zn behave like a superconductor—normal metal—superconductor junction with a thick normal layer in the hea...

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Дата:1995
Автори: Naidyuk, Yu.G., Nowack, A., Ulbrich, E., Freimuth, A., Schlabitz, W., Yanson, I.K., Menovsky, A.A.
Формат: Стаття
Мова:English
Опубліковано: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 1995
Назва видання:Физика низких температур
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Письма pедактоpу
Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/175273
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂ / Yu.G. Naidyuk, A. Nowack, E. Ulbrich, A. Freimuth, W. Schlabitz, I.K. Yanson, A.A. Menovsky // Физика низких температур. — 1995. — Т. 21, № 3. — С. 340-342. — Бібліогр.: 7 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id irk-123456789-175273
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spelling irk-123456789-1752732021-02-01T01:28:43Z Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂ Naidyuk, Yu.G. Nowack, A. Ulbrich, E. Freimuth, A. Schlabitz, W. Yanson, I.K. Menovsky, A.A. Письма pедактоpу We have measured the dV/dI vs. V characteristics of point contacts between the heavy-fermion superconductor URu₂Si₂ and the conventional superconductors Zn and NbTi. Contacts between URu₂Si₂ and Zn behave like a superconductor—normal metal—superconductor junction with a thick normal layer in the heavy-fermion part of the contact and show Andreev-reflection type structures related to both the heavy-fermion and the conventional superconductors. In contrast, contacts between URu₂Si₂ and NbTi become superconducting at low bias currents. The data indicate that proximity induced superconductivity is important for the coupling of the two types of superconductivity. With such contacts we also fabricated a closed-loop setup with two NbTi contacts on a URu₂Si₂ sample, which showed SQUID oscillation in a small magnetic field. 1995 Article Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂ / Yu.G. Naidyuk, A. Nowack, E. Ulbrich, A. Freimuth, W. Schlabitz, I.K. Yanson, A.A. Menovsky // Физика низких температур. — 1995. — Т. 21, № 3. — С. 340-342. — Бібліогр.: 7 назв. — англ. 0132-6414 http://dspace.nbuv.gov.ua/handle/123456789/175273 538.945 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Письма pедактоpу
Письма pедактоpу
spellingShingle Письма pедактоpу
Письма pедактоpу
Naidyuk, Yu.G.
Nowack, A.
Ulbrich, E.
Freimuth, A.
Schlabitz, W.
Yanson, I.K.
Menovsky, A.A.
Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂
Физика низких температур
description We have measured the dV/dI vs. V characteristics of point contacts between the heavy-fermion superconductor URu₂Si₂ and the conventional superconductors Zn and NbTi. Contacts between URu₂Si₂ and Zn behave like a superconductor—normal metal—superconductor junction with a thick normal layer in the heavy-fermion part of the contact and show Andreev-reflection type structures related to both the heavy-fermion and the conventional superconductors. In contrast, contacts between URu₂Si₂ and NbTi become superconducting at low bias currents. The data indicate that proximity induced superconductivity is important for the coupling of the two types of superconductivity. With such contacts we also fabricated a closed-loop setup with two NbTi contacts on a URu₂Si₂ sample, which showed SQUID oscillation in a small magnetic field.
format Article
author Naidyuk, Yu.G.
Nowack, A.
Ulbrich, E.
Freimuth, A.
Schlabitz, W.
Yanson, I.K.
Menovsky, A.A.
author_facet Naidyuk, Yu.G.
Nowack, A.
Ulbrich, E.
Freimuth, A.
Schlabitz, W.
Yanson, I.K.
Menovsky, A.A.
author_sort Naidyuk, Yu.G.
title Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂
title_short Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂
title_full Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂
title_fullStr Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂
title_full_unstemmed Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂
title_sort observation of andreev reflections and josephson effects in point contacts between conventional and the heavy-fennion superconductor uru₂si₂
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
publishDate 1995
topic_facet Письма pедактоpу
url http://dspace.nbuv.gov.ua/handle/123456789/175273
citation_txt Observation of Andreev reflections and Josephson effects in point contacts between conventional and the heavy-fennion superconductor URu₂Si₂ / Yu.G. Naidyuk, A. Nowack, E. Ulbrich, A. Freimuth, W. Schlabitz, I.K. Yanson, A.A. Menovsky // Физика низких температур. — 1995. — Т. 21, № 3. — С. 340-342. — Бібліогр.: 7 назв. — англ.
series Физика низких температур
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first_indexed 2023-10-18T22:38:28Z
last_indexed 2023-10-18T22:38:28Z
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