Current-induced torques in heterostructures of 2D van der Waals magnets

ORAL

Abstract

The recent discovery of magnetic order in layered 2D van der Waals materials has opened a new platform for spintronic devices, allowing studies of current-induced torques in high-quality heterostructures of single-crystal 2D magnets and large spin-orbit coupling (SOC) materials. Here, we integrate mechanically exfoliated thin flakes of the insulating 2D ferromagnet Cr2Ge2Te6 into a heterostructure with heavy metal Tantalum as the large SOC material. We report initial results of current induced deflections of the out-of-plane magnetic moment of Cr2Ge2Te6 and characterize the spin-orbit torque generated. This work represents a first step towards improved strategies for magnetic memory and logic using heterostructures of van der Waals 2D magnets.

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Presenters

  • Vishakha Gupta

    Cornell University

Authors

  • Vishakha Gupta

    Cornell University

  • Gregory Stiehl

    Cornell University, Department of Physics, Cornell University

  • Arnab Bose

    Cornell University

  • Kaifei Kang

    Cornell University, Applied and engineering physics, Cornell University

  • Shengwei Jiang

    Cornell University, Applied and Engineering Physics, Cornell University

  • Kin Fai Mak

    Cornell University, Applied and Engineering Physics, Cornell University, Physics, Cornell University

  • Jie Shan

    Cornell University, Applied and Engineering Physics, Cornell University, Applied and engineering physics, Cornell University

  • Robert Buhrman

    Cornell University

  • Daniel Ralph

    Cornell University, Department of Physics, Cornell University