Physicists developed a method using hydrogen cations to control electronic properties in magnetic Weyl semimetals, enabling advanced quantum technologies.
Rendering of the tilting of relativistic Dirac cones in the bulk electronic bands of a quasi-two-dimensional magnetic topological semimetal achieved with insertion of hydrogen that generates tunable low-dissipation chiral charge currents.A team of physicists from the City College of New York has created a new method to control the electronic properties of a magnetic Weyl semimetal.
The technique uses hydrogen cations to adjust these properties, opening new possibilities for advanced materials and technologies. These materials are unique 3D phases with special band crossings, called Weyl nodes, that occur when time-reversal or inversion symmetry is broken. These nodes come in pairs with opposite “handedness,” tied to how a particle’s spin aligns with its momentum.
Despite advances, tuning these exotic dynamics in magnetic Weyl semimetals remains complex, as their spin textures can unexpectedly reshape their behavior.
Electric Charge Hydrogen Ions Quantum Anomalous Hall Quantum Devices Weyl Fermions Weyl Semimetals
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