Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys
Size effects in Kondo scattering are studied on CuCr and AuFe alloys (TK=2 K and 0.2 K, respectively) by applying point-contact spectroscopy in break-junction type contacts. It is shown that as the contact diameter is decreased under the condition of ballistic electron transport, the size effect enh...
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| Published in: | Физика низких температур |
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| Date: | 2000 |
| Main Authors: | , , , |
| Format: | Article |
| Language: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2000
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| Online Access: | https://nasplib.isofts.kiev.ua/handle/123456789/129105 |
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| Journal Title: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Cite this: | Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys / V.V. Fisun and I.K. Yanson, J.A. Mydosh and J.M. van Ruitenbeek // Физика низких температур. — 2000. — Т. 26, № 7. — С. 681-686. — Бібліогр.: 17 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| _version_ | 1862616750077509632 |
|---|---|
| author | Fisun, V.V. Yanson, I.K. Mydosh, J.A. van Ruitenbeek, J.M. |
| author_facet | Fisun, V.V. Yanson, I.K. Mydosh, J.A. van Ruitenbeek, J.M. |
| citation_txt | Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys / V.V. Fisun and I.K. Yanson, J.A. Mydosh and J.M. van Ruitenbeek // Физика низких температур. — 2000. — Т. 26, № 7. — С. 681-686. — Бібліогр.: 17 назв. — англ. |
| collection | DSpace DC |
| container_title | Физика низких температур |
| description | Size effects in Kondo scattering are studied on CuCr and AuFe alloys (TK=2 K and 0.2 K, respectively) by applying point-contact spectroscopy in break-junction type contacts. It is shown that as the contact diameter is decreased under the condition of ballistic electron transport, the size effect enhances the interaction of the conduction electrons with the Kondo impurity (as compared to the phonons) and increases the Kondo temperature in the contact region. In an external magnetic field the size effect decreases the negative magnetoresistance in CuCr and suppresses the Kondo peak splitting in AuFe.
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| first_indexed | 2025-12-07T13:10:02Z |
| format | Article |
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| id | nasplib_isofts_kiev_ua-123456789-129105 |
| institution | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| issn | 0132-6414 |
| language | English |
| last_indexed | 2025-12-07T13:10:02Z |
| publishDate | 2000 |
| publisher | Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| record_format | dspace |
| spelling | Fisun, V.V. Yanson, I.K. Mydosh, J.A. van Ruitenbeek, J.M. 2018-01-16T13:24:27Z 2018-01-16T13:24:27Z 2000 Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys / V.V. Fisun and I.K. Yanson, J.A. Mydosh and J.M. van Ruitenbeek // Физика низких температур. — 2000. — Т. 26, № 7. — С. 681-686. — Бібліогр.: 17 назв. — англ. 0132-6414 PACS: 72.15.Qm, 75.20.Hr https://nasplib.isofts.kiev.ua/handle/123456789/129105 Size effects in Kondo scattering are studied on CuCr and AuFe alloys (TK=2 K and 0.2 K, respectively) by applying point-contact spectroscopy in break-junction type contacts. It is shown that as the contact diameter is decreased under the condition of ballistic electron transport, the size effect enhances the interaction of the conduction electrons with the Kondo impurity (as compared to the phonons) and increases the Kondo temperature in the contact region. In an external magnetic field the size effect decreases the negative magnetoresistance in CuCr and suppresses the Kondo peak splitting in AuFe. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Электpонные свойства металлов и сплавов Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys Article published earlier |
| spellingShingle | Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys Fisun, V.V. Yanson, I.K. Mydosh, J.A. van Ruitenbeek, J.M. Электpонные свойства металлов и сплавов |
| title | Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys |
| title_full | Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys |
| title_fullStr | Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys |
| title_full_unstemmed | Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys |
| title_short | Point-contact-spectroscopy investigation of the Kondo size effect in CuCr and AuFe alloys |
| title_sort | point-contact-spectroscopy investigation of the kondo size effect in cucr and aufe alloys |
| topic | Электpонные свойства металлов и сплавов |
| topic_facet | Электpонные свойства металлов и сплавов |
| url | https://nasplib.isofts.kiev.ua/handle/123456789/129105 |
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