Antiferromagnetic Spin Wave Field-Effect Transistor

Abstract

In a collinear antiferromagnet with easy-axis anisotropy, symmetry dictates that the spin wave modes must be doubly degenerate. Theses two modes, distinguished by their opposite polarization and available only in antiferromagnets, give rise to a novel degree of freedom to encode and process information. We show that the spin wave polarization can be manipulated by an electric field induced Dzyaloshinskii-Moriya interaction and magnetic anisotropy. We propose a prototype spin wave field-effect transistor which realizes a gate-tunable magnonic analog of the Faraday effect, and demonstrate its application in THz signal modulation. Our findings open up the exciting possibility of digital data processing utilizing antiferromagnetic spin waves and enable the direct projection of optical computing concepts onto the mesoscopic scale.

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References in corpus (6)

• Spin current and magneto-electric effect in non-collinear magnets
• Realization of XNOR and NAND spin-wave logic gates
• Spin pumping and spin-transfer torques in antiferromagnets
• Direct observation of the Dzyaloshinskii-Moriya interaction in a Pt/Co/Ni film
• Spin Oscillations in Antiferromagnetic NiO Triggered by Circularly Polarized Light
• Electric-field coupling to spin waves in a centrosymmetric ferrite

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• Antiferromagnetic magnon pseudospin: Dynamics and diffusive transport
• Observation of nonreciprocal magnon Hanle effect
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• Antiferromagnetic insulatronics: spintronics in insulating 3d metal oxides with antiferromagnetic coupling
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• Impact of gigahertz and terahertz transport regimes on spin propagation and conversion in the antiferromagnet IrMn
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• Non-linear ballistic response of quantum spin-Hall edge states
• A new class of nonreciprocal spin waves on the edges of 2D antiferromagnetic honeycomb nanoribbons
• Effect of inhomogeneous Dzyaloshinskii-Moriya interaction on antiferromagnetic spin-wave propagation
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• Magnon Thermal Edelstein Effect Detected by Inverse Spin Hall Effect
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• Impact of magnetic anisotropy on the magnon Hanle effect in $\alpha$-Fe${}_2$O${}_3$
• Spin wave propagation in ferrimagnetic $G{d}_{x}C{o}_{1-x}$
• Electrical generation and propagation of spin waves in antiferromagnetic thin films
• Geometric phase and a nonreciprocal spin wave circular polarizer
• Influence of low-energy magnons on magnon Hanle experiments in easy-plane antiferromagnets
• Magnonic Spin-Transfer Torque in Ferromagnet/Antiferromagnet/Ferromagnet Trilayer
• Chirality and polarization of inertial antiferromagnetic resonances driven by spin-orbit torques
• Topology-induced symmetry breaking demonstrated in antiferromagnetic magnons on a Möbius strip