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Magnetic Memory Effect in Planar Ferromagnet/Superconductor/Ferromagnet Microbridges Based on Highly Diluted PdFe Alloyстатья Исследовательская статья
- Авторы: Karelina L.N., Shuravin N.S., Ionin A.S., Bakurskiy S.V., Egorov S.V., Golovchanskiy I.A., Chichkov V.I., Bol’ginov V.V., Ryazanov V.V.
- Журнал: JETP Letters
- Том: 116
- Номер: 2
- Год издания: 2022
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 110
- Последняя страница: 116
- DOI: 10.1134/s0021364022601105
- Аннотация: The magnetoresistance of a planar microbridge based on a three layer Pd0.99 Fe 0.01–Nb–Pd0.99 Fe 0.01 FSF sandwich near its superconducting transition is studied. We previously showed that the magnetoresistance curve of such samples is hysteretic and contains dips (negative peaks of the resistance) in the coercive fields. In this work, it is found that the low-resistance state has a memory effect. Functioning of such a sample as a superconducting memory element is demonstrated. The effect of the ferromagnetic Pd0.99 Fe0.01 layer on the superconducting transition temperature of the proposed memory element is studied by measuring the dependence of the critical temperature of bilayer Pd0.99Fe 0.01 –Nb FS structures on the thickness of the Pd0.99Fe 0.01 layer.
- Добавил в систему: Куприянов Михаил Юрьевич