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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Бібліографічні деталі
Дата:1998
Автори: Naidyuk, Yu.G., Moskalenko, A.V., Yanson, I.K., Geibel, C.
Формат: Стаття
Мова:English
Опубліковано: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 1998
Назва видання:Физика низких температур
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Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/175502
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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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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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spelling 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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