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Controllаble Josephson 0–π Junction Based on a Four-Layer Ferromagnetic–Superconductor System (FSFS)
Physics of Metals and Metallography ( IF 1.2 ) Pub Date : 2020-06-16 , DOI: 10.1134/s0031918x20050051 O. N. Borisova , V. A. Tumanov , Yu. N. Proshin
中文翻译:
基于四层铁磁超导系统(FSFS)的可控约瑟夫森0–π结
更新日期:2020-06-16
Physics of Metals and Metallography ( IF 1.2 ) Pub Date : 2020-06-16 , DOI: 10.1134/s0031918x20050051 O. N. Borisova , V. A. Tumanov , Yu. N. Proshin
Abstract
A system containing four alternating ferromagnetic and superconducting layers (F1/S1/F2/S2) is examined in this work. The state of this contact may be controlled by an external magnetic field. The critical temperature of the superconducting transition and the Josephson current are calculated theoretically at different thicknesses and collinear orientations of magnetizations of ferromagnetic layers. It is demonstrated that this F1/S1/F2/S2 system may serve as a controllable Josephson 0–π contact or an inverse spin valve.
中文翻译:
基于四层铁磁超导系统(FSFS)的可控约瑟夫森0–π结
摘要
在这项工作中,研究了包含四个交替的铁磁和超导层(F 1 / S 1 / F 2 / S 2)的系统。该接触的状态可以由外部磁场控制。理论上是在不同厚度和铁磁层磁化强度的共线方向上计算出超导转变的临界温度和约瑟夫森电流。结果表明,该F 1 / S 1 / F 2 / S 2系统可以用作可控的约瑟夫森0-π接触或自旋阀。