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Josephson current in d-wave superconductor junctions with ferromagnetic insulator

We investigate the temperature dependence of the critical current and current-phase relation by taking into account the ferromagnetic scattering effect at interface in a d-wave superconductor (S)/ferromagnetic insulator layer (FI)/d-wave superconductor (S) junction. It is shown that both the barri...

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Main Authors: Yan-Hua Liao, Meng Yang, Chang Ma, Yu-Bin Cao
Format: Article
Language:English
Published: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2012
Series:Физика низких температур
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Online Access:http://dspace.nbuv.gov.ua/handle/123456789/117182
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spelling irk-123456789-1171822017-05-21T03:03:28Z Josephson current in d-wave superconductor junctions with ferromagnetic insulator Yan-Hua Liao Meng Yang Chang Ma Yu-Bin Cao Свеpхпpоводимость, в том числе высокотемпеpатуpная We investigate the temperature dependence of the critical current and current-phase relation by taking into account the ferromagnetic scattering effect at interface in a d-wave superconductor (S)/ferromagnetic insulator layer (FI)/d-wave superconductor (S) junction. It is shown that both the barrier scattering and the roughness scattering at the interface always suppress the Andreev reflection. The Josephson critical currents depend to a great extent on the effective exchange field of the interface and the crystal orientation of the d-wave superconductor. The exchange field can lead to the change of the junction from 0 to π states and the alteration of the oscillation periods. It can also enhance the Josephson critical current in the junction under certain conditions. 2012 Article Josephson current in d-wave superconductor junctions with ferromagnetic insulator / Yan-Hua Liao, Meng Yang, Chang Ma, Yu-Bin Cao // Физика низких температур. — 2012. — Т. 38, № 5. — С. 474-479. — Бібліогр.: 33 назв. — англ. 0132-6414 PACS: 74.72.–h, 75.70.Cn http://dspace.nbuv.gov.ua/handle/123456789/117182 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 Свеpхпpоводимость, в том числе высокотемпеpатуpная
Свеpхпpоводимость, в том числе высокотемпеpатуpная
spellingShingle Свеpхпpоводимость, в том числе высокотемпеpатуpная
Свеpхпpоводимость, в том числе высокотемпеpатуpная
Yan-Hua Liao
Meng Yang
Chang Ma
Yu-Bin Cao
Josephson current in d-wave superconductor junctions with ferromagnetic insulator
Физика низких температур
description We investigate the temperature dependence of the critical current and current-phase relation by taking into account the ferromagnetic scattering effect at interface in a d-wave superconductor (S)/ferromagnetic insulator layer (FI)/d-wave superconductor (S) junction. It is shown that both the barrier scattering and the roughness scattering at the interface always suppress the Andreev reflection. The Josephson critical currents depend to a great extent on the effective exchange field of the interface and the crystal orientation of the d-wave superconductor. The exchange field can lead to the change of the junction from 0 to π states and the alteration of the oscillation periods. It can also enhance the Josephson critical current in the junction under certain conditions.
format Article
author Yan-Hua Liao
Meng Yang
Chang Ma
Yu-Bin Cao
author_facet Yan-Hua Liao
Meng Yang
Chang Ma
Yu-Bin Cao
author_sort Yan-Hua Liao
title Josephson current in d-wave superconductor junctions with ferromagnetic insulator
title_short Josephson current in d-wave superconductor junctions with ferromagnetic insulator
title_full Josephson current in d-wave superconductor junctions with ferromagnetic insulator
title_fullStr Josephson current in d-wave superconductor junctions with ferromagnetic insulator
title_full_unstemmed Josephson current in d-wave superconductor junctions with ferromagnetic insulator
title_sort josephson current in d-wave superconductor junctions with ferromagnetic insulator
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
publishDate 2012
topic_facet Свеpхпpоводимость, в том числе высокотемпеpатуpная
url http://dspace.nbuv.gov.ua/handle/123456789/117182
citation_txt Josephson current in d-wave superconductor junctions with ferromagnetic insulator / Yan-Hua Liao, Meng Yang, Chang Ma, Yu-Bin Cao // Физика низких температур. — 2012. — Т. 38, № 5. — С. 474-479. — Бібліогр.: 33 назв. — англ.
series Физика низких температур
work_keys_str_mv AT yanhualiao josephsoncurrentindwavesuperconductorjunctionswithferromagneticinsulator
AT mengyang josephsoncurrentindwavesuperconductorjunctionswithferromagneticinsulator
AT changma josephsoncurrentindwavesuperconductorjunctionswithferromagneticinsulator
AT yubincao josephsoncurrentindwavesuperconductorjunctionswithferromagneticinsulator
first_indexed 2023-10-18T20:29:13Z
last_indexed 2023-10-18T20:29:13Z
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