Point contact studies of the superconducting gap of CeRu₂
The measured dV/dI(V) curves of point contacts between the intermetallic compound CeRu2 in the superconducting state and the normal metal Cu correspond fairly well to the Blonder-Tinkham -Klapwijk model. It is used to obtain temperature and magnetic field dependence of the superconducting gap D. The...
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Дата: | 1998 |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
1998
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Назва видання: | Физика низких температур |
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Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
Цитувати: | Point contact studies of the superconducting gap of CeRu₂ / Yu.G. Naidyuk, A.V. Moskalenko, I.K. Yanson, C. Geibel // Физика низких температур. — 1998. — Т. 24, № 5. — С. 495-497. — Бібліогр.: 11 назв. — англ. |
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irk-123456789-1755022021-02-02T01:28:17Z Point contact studies of the superconducting gap of CeRu₂ Naidyuk, Yu.G. Moskalenko, A.V. Yanson, I.K. Geibel, C. Кpаткие сообщения The measured dV/dI(V) curves of point contacts between the intermetallic compound CeRu2 in the superconducting state and the normal metal Cu correspond fairly well to the Blonder-Tinkham -Klapwijk model. It is used to obtain temperature and magnetic field dependence of the superconducting gap D. The D(T) dependence corresponds well to the BCS theory with 2D(0)/kbTc*=3.1±0.1. Additionally, a region of gapless superconductivity between Tc*»4,4-5,4K and Tcbulk»6.2K is found. The gap decreases approximately linearly in a magnetic field and vanishes in a field Bc*»3.5T, which is well below the upper critical field Bc2»6T and close to the irreversibility field. 1998 Article Point contact studies of the superconducting gap of CeRu₂ / Yu.G. Naidyuk, A.V. Moskalenko, I.K. Yanson, C. Geibel // Физика низких температур. — 1998. — Т. 24, № 5. — С. 495-497. — Бібліогр.: 11 назв. — англ. 0132-6414 http://dspace.nbuv.gov.ua/handle/123456789/175502 PACS: 74.80.Fp, 74.70.Tx, 73.40.Jn 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 |
Кpаткие сообщения Кpаткие сообщения |
spellingShingle |
Кpаткие сообщения Кpаткие сообщения Naidyuk, Yu.G. Moskalenko, A.V. Yanson, I.K. Geibel, C. Point contact studies of the superconducting gap of CeRu₂ Физика низких температур |
description |
The measured dV/dI(V) curves of point contacts between the intermetallic compound CeRu2 in the superconducting state and the normal metal Cu correspond fairly well to the Blonder-Tinkham -Klapwijk model. It is used to obtain temperature and magnetic field dependence of the superconducting gap D. The D(T) dependence corresponds well to the BCS theory with 2D(0)/kbTc*=3.1±0.1. Additionally, a region of gapless superconductivity between Tc*»4,4-5,4K and Tcbulk»6.2K is found. The gap decreases approximately linearly in a magnetic field and vanishes in a field Bc*»3.5T, which is well below the upper critical field Bc2»6T and close to the irreversibility field. |
format |
Article |
author |
Naidyuk, Yu.G. Moskalenko, A.V. Yanson, I.K. Geibel, C. |
author_facet |
Naidyuk, Yu.G. Moskalenko, A.V. Yanson, I.K. Geibel, C. |
author_sort |
Naidyuk, Yu.G. |
title |
Point contact studies of the superconducting gap of CeRu₂ |
title_short |
Point contact studies of the superconducting gap of CeRu₂ |
title_full |
Point contact studies of the superconducting gap of CeRu₂ |
title_fullStr |
Point contact studies of the superconducting gap of CeRu₂ |
title_full_unstemmed |
Point contact studies of the superconducting gap of CeRu₂ |
title_sort |
point contact studies of the superconducting gap of ceru₂ |
publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
publishDate |
1998 |
topic_facet |
Кpаткие сообщения |
url |
http://dspace.nbuv.gov.ua/handle/123456789/175502 |
citation_txt |
Point contact studies of the superconducting gap of CeRu₂ / Yu.G. Naidyuk, A.V. Moskalenko, I.K. Yanson, C. Geibel // Физика низких температур. — 1998. — Т. 24, № 5. — С. 495-497. — Бібліогр.: 11 назв. — англ. |
series |
Физика низких температур |
work_keys_str_mv |
AT naidyukyug pointcontactstudiesofthesuperconductinggapofceru2 AT moskalenkoav pointcontactstudiesofthesuperconductinggapofceru2 AT yansonik pointcontactstudiesofthesuperconductinggapofceru2 AT geibelc pointcontactstudiesofthesuperconductinggapofceru2 |
first_indexed |
2025-07-15T12:49:23Z |
last_indexed |
2025-07-15T12:49:23Z |
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1837717272590811136 |
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