带绝缘层的超导自旋阀模型

IF 1.3 3区物理与天体物理 Q4 PHYSICS, APPLIED

Physica C-superconductivity and Its Applications Pub Date : 2024-01-29 DOI:10.1016/j.physc.2024.1354461

A.A. Kamashev, A.A. Validov, N.N. Garif'yanov, I.A. Garifullin

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引用次数: 0

摘要

研究了两种不同类型的超导自旋阀结构 CoOx/Co1/I1/Pb/I2/Co2（其中 I1 和 I2 为绝缘层）和 CoOx/Co1/Pb/Co2。CoOx/Co1/I1/Pb/I2/Co2 结构的研究结果表明，该结构具有相当显著的超导自旋阀效应。没有绝缘层的相同结构（CoOx/Co1/Pb/Co2）则不存在超导自旋阀效应，因为超导性被抑制了。铁磁层和超导层之间没有绝缘层会导致超导性受到严重抑制，从而破坏超导自旋阀效应。

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Model of a superconducting spin valve with insulating layers

Two different types of superconducting spin valve structures CoO_x/Co1/I1/Pb/I2/Co2 (where I1 and I2 are insulating layers) and CoO_x/Co1/Pb/Co2 were investigated. Obtained results for CoO_x/Co1/I1/Pb/I2/Co2 structures demonstrate the full superconducting spin valve effect with a fairly significant effect value. The superconducting spin valve effect was absent for the same structure without insulating layers (CoO_x/Co1/Pb/Co2), since the superconductivity was suppressed. The absence of insulating layers between the ferromagnetic and superconducting layers leads to a significant suppression of superconductivity and, as a consequence, to the destruction of the superconducting spin valve effect.

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来源期刊

Physica C-superconductivity and Its Applications 物理-物理：应用

CiteScore

2.70

自引率

11.80%

发文量

102

审稿时长

66 days

期刊介绍： Physica C (Superconductivity and its Applications) publishes peer-reviewed papers on novel developments in the field of superconductivity. Topics include discovery of new superconducting materials and elucidation of their mechanisms, physics of vortex matter, enhancement of critical properties of superconductors, identification of novel properties and processing methods that improve their performance and promote new routes to applications of superconductivity. The main goal of the journal is to publish: 1. Papers that substantially increase the understanding of the fundamental aspects and mechanisms of superconductivity and vortex matter through theoretical and experimental methods. 2. Papers that report on novel physical properties and processing of materials that substantially enhance their critical performance. 3. Papers that promote new or improved routes to applications of superconductivity and/or superconducting materials, and proof-of-concept novel proto-type superconducting devices. The editors of the journal will select papers that are well written and based on thorough research that provide truly novel insights.