Impact of Cr Insertion Layer on Spin Transport Properties in Co2FeAl/Ta System

IF 1.6 4区物理与天体物理 Q3 PHYSICS, APPLIED

Journal of Superconductivity and Novel Magnetism Pub Date : 2025-02-01 DOI:10.1007/s10948-025-06914-x

Rohiteswar Mondal, Vidya Alman, Arabinda Haldar, Chandrasekhar Murapaka

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引用次数: 0

Abstract

Spin pumping is recognized as a cogent method for the generation and injection of spin current from ferromagnetic (FM) to nonmagnetic (NM) (FM/NM) layer. The interface at FM/NM layers plays a vital role in spin transport. In this work, we have systematically investigated the effect of Cr interlayer (IL) thickness on the spin transport in Co₂FeAl(CFA)/Cr/Ta system. We have observed enhancement in the damping parameter with a 2 nm Cr spacer compared to the sample without a spacer layer. The relative spin-mixing conductance in the system is 1.4 times higher in the sample with a spacer layer compared to the reference sample. This is further supported by inverse spin Hall effect measurements. The relative weight of the symmetric to asymmetric component of voltage drop infers the IL dependency of the system. Our study signifies a novel approach to enhance the spin current transport across CFA/Ta system by strategically inserting the Cr interlayer henceforth offering a pathway for improving the efficiency and performance of spintronics devices.

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来源期刊

Journal of Superconductivity and Novel Magnetism 物理-物理：凝聚态物理

CiteScore

3.70

自引率

11.10%

发文量

342

审稿时长

3.5 months

期刊介绍： The Journal of Superconductivity and Novel Magnetism serves as the international forum for the most current research and ideas in these fields. This highly acclaimed journal publishes peer-reviewed original papers, conference proceedings and invited review articles that examine all aspects of the science and technology of superconductivity, including new materials, new mechanisms, basic and technological properties, new phenomena, and small- and large-scale applications. Novel magnetism, which is expanding rapidly, is also featured in the journal. The journal focuses on such areas as spintronics, magnetic semiconductors, properties of magnetic multilayers, magnetoresistive materials and structures, magnetic oxides, etc. Novel superconducting and magnetic materials are complex compounds, and the journal publishes articles related to all aspects their study, such as sample preparation, spectroscopy and transport properties as well as various applications.