{"title":"Model of a superconducting spin valve with insulating layers","authors":"A.A. Kamashev, A.A. Validov, N.N. Garif'yanov, I.A. Garifullin","doi":"10.1016/j.physc.2024.1354461","DOIUrl":null,"url":null,"abstract":"<div><p><span>Two different types of superconducting spin valve structures CoO</span><sub>x</sub>/Co1/I1/Pb/I2/Co2 (where I1 and I2 are insulating layers) and CoO<sub>x</sub>/Co1/Pb/Co2 were investigated. Obtained results for CoO<sub>x</sub>/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<sub>x</sub><span>/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.</span></p></div>","PeriodicalId":20159,"journal":{"name":"Physica C-superconductivity and Its Applications","volume":"618 ","pages":"Article 1354461"},"PeriodicalIF":1.0000,"publicationDate":"2024-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physica C-superconductivity and Its Applications","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0921453424000261","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, APPLIED","Score":null,"Total":0}
引用次数: 0
Abstract
Two different types of superconducting spin valve structures CoOx/Co1/I1/Pb/I2/Co2 (where I1 and I2 are insulating layers) and CoOx/Co1/Pb/Co2 were investigated. Obtained results for CoOx/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 (CoOx/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.
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.
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