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Unconventional Hall effect and its variation with Co-doping in van der Waals Fe3GeTe2.

ABSTRACT: Two-dimensional (2D) van der Waals (vdW) magnetic materials have attracted a lot of attention owing to the stabilization of long range magnetic order down to atomic dimensions, and the prospect of novel spintronic devices with unique functionalities. The clarification of the magnetoresistive properties and its correlation to the underlying magnetic configurations is essential for 2D vdW-based spintronic devices. Here, the effect of Co-doping on the magnetic and magnetotransport properties of Fe3GeTe2 have been investigated. Magnetotransport measurements reveal an unusual Hall effect behavior whose strength was considerably modified by Co-doping and attributed to arise from the underlying complicated spin textures. The present results provide a clue to tailoring of the underlying interactions necessary for the realization of a variety of unconventional spin textures for 2D vdW FM-based spintronics.

SUBMITTER: Chowdhury RR 

PROVIDER: S-EPMC8266818 | biostudies-literature | 2021 Jul

REPOSITORIES: biostudies-literature

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Unconventional Hall effect and its variation with Co-doping in van der Waals Fe<sub>3</sub>GeTe<sub>2</sub>.

Chowdhury Rajeswari Roy RR   DuttaGupta Samik S   Patra Chandan C   Tretiakov Oleg A OA   Sharma Sudarshan S   Fukami Shunsuke S   Ohno Hideo H   Singh Ravi Prakash RP  

Scientific reports 20210708 1

Two-dimensional (2D) van der Waals (vdW) magnetic materials have attracted a lot of attention owing to the stabilization of long range magnetic order down to atomic dimensions, and the prospect of novel spintronic devices with unique functionalities. The clarification of the magnetoresistive properties and its correlation to the underlying magnetic configurations is essential for 2D vdW-based spintronic devices. Here, the effect of Co-doping on the magnetic and magnetotransport properties of Fe<  ...[more]

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