Electronic Structure of Graphene on Co₂FeSi Heusler Alloy

Authors

E.Y. Lobanova ^1, ² , E.K. Mikhailenko ^3, ⁴ , G.S. Grebenyuk ⁵

¹ Institute of Advanced Data Transfer Systems, ITMO University, Kronverkskiy pr., 49, lit. A, 197101, Saint-Petersburg, Russia

² Physics of the Solid State Division, Ioffe Institute, Politekhnicheskaya st., 26, St. Petersburg, 194021, Russia

³ Faculty of Electronics, St. Petersburg Electrotechnical University (“LETI”), prof. Popova street 5, St. Petersburg, 197376, Russia

⁴ Department of Neutron Research, Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre «Kurchatov Institute», 188300 Gatchina, Leningradskaya oblast, Russia

⁵ Plasma Physics, Atomic Physics and Astrophysics Division, Ioffe Institute, Politekhnicheskaya st., 26, St. Petersburg, 194021, Russia

10.17586/2687-0568-2024-6-2-43-46

Rev. Adv. Mater. Technol., 2024, vol. 6, no. 2, pp. 43–46

Abstract

Due to high carrier mobility and long spin diffusion length graphene is a promising material for spintronics applications. In order to achieve effective spin transport and increase spin injection efficiency, graphene interfaces with highly spin-polarised materials, such as Heusler alloys, are needed. In this work, first-principles calculations of graphene/Co2FeSi electronic structure are done in the frame of density functional theory. It is shown that the high percent of spin polarization in this system is combined with the linear dispersion of the π-states of graphene. The results suggest that the Co2FeSi Heusler alloy is a promising candidate for graphene-based spintronic devices.

Keywords

Graphene; Heusler alloys; Spintronics

Foundings

Ministry of Science and Higher Education of the Russian Federation: 075-15-2021-1349

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Volume 6, No 2

pages 43-46

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History

Receive Date: 16 April 2024

Accepted Date: 21 May 2024

Available online: 30 June 2024

© 2024 ITMO University.
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of the CC BY-NC 4.0 license.
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Electronic Structure of Graphene on Co2FeSi Heusler Alloy

Authors

Abstract

Keywords

Foundings

Electronic Structure of Graphene on Co₂FeSi Heusler Alloy