Very Large Tunneling Magnetoresistance in Layered Magnetic Semiconductor CrI${}_3$

Abstract

Magnetic layered van der Waals crystals are an emerging class of materials giving access to new physical phenomena, as illustrated by the recent observation of 2D ferromagnetism in Cr2Ge2Te6 and CrI3. Of particular interest in semiconductors is the interplay between magnetism and transport, which has remained unexplored. Here we report first magneto-transport measurements on exfoliated CrI3 crystals. We find that tunneling conduction in the direction perpendicular to the crystalline planes exhibits a magnetoresistance as large as 10 000 %. The evolution of the magnetoresistance with magnetic field and temperature reveals that the phenomenon originates from multiple transitions to different magnetic states, whose possible microscopic nature is discussed on the basis of all existing experimental observations. This observed dependence of the conductance of a tunnel barrier on its magnetic state is a new phenomenon that demonstrates the presence of a strong coupling between transport and magnetism in magnetic van der Waals semiconductors.

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Cited by in corpus (172)

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• Switching 2D Magnetic States via Pressure Tuning of Layer Stacking
• Van der Waals heterostructures for high-performance device applications: challenges and opportunities
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• Probing magnetism in 2D materials at the nanoscale with single spin microscopy
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• Engineering symmetry breaking in two-dimensional layered materials
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• Magnetically Switchable Light-Matter Interaction in the Two-Dimensional Magnet CrI3
• Spin-flop transition in atomically thin MnPS${}_3$ crystals
• Recent progress and challenges in magnetic tunnel junctions with 2D materials for spintronic applications
• Spin-dependent transport in van der Waals magnetic tunnel junctions with Fe3GeTe2 electrodes
• Magnon transport in quasi-two-dimensional van der Waals antiferromagnets
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• Van der Waals spin valves
• Determining the phase diagram of atomically thin layered antiferromagnet CrCl${}_3$
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• Interplay between interlayer exchange and stacking in CrI${}_3$ bilayers
• Magnetic Two-Dimensional Chromium Trihalides: A Theoretical Perspective
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• High mobility in a van der Waals layered antiferromagnetic metal
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• First-principles theory of proximity spin-orbit torque on a two-dimensional magnet: Current-driven antiferromagnet-to-ferromagnet reversible transition in bilayer CrI${}_3$
• High throughput computational screening for 2D ferromagnetic materials: the critical role of anisotropy and local correlations
• Electron quantum metamaterials in van der Waals heterostructures
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• Magnetic field effect on topological spin excitations in CrI${}_3$
• Synthesis, Engineering, and Theory of 2D van der Waals Magnets
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• Roadmap for Photonics with 2D Materials
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• Intrinsic magnetism in monolayer transition metal trihalides: a comparative study
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• Chiral channel network from magnetization textures in 2D MnBi2Te4
• Tunneling current-controlled spin states in few-layer van der Waals magnets
• Intrinsic staggered spin-orbit torque for the electrical control of antiferromagnets -- application to CrI${}_3$
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• Understanding and tuning magnetism in layered Ising-type antiferromagnet FePSe3 for potential 2D magnet
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• Hinge Magnons from Non-collinear Magnetic Order in Honeycomb Antiferromagnet
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