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This study demonstrates a novel method for generating spin currents in MoS₂ semiconductors by reversibly switching chirality through electrochemical insertion and removal of molecules, eliminating the need for external magnets. The work advances fundamental understanding of valleytronics and spin transport mechanisms within 2D materials, which are critical components for future quantum information processing architectures.

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Reversible chirality switching in MoS₂ generates spin currents without magnets

Phys.org17 iunie 20261 min de cititArticolul și perspectiva sunt în engleză.

A newly developed method allows researchers to dynamically switch chirality—a particular lack of mirror symmetry—to generate spin currents in semiconductors, researchers from Science Tokyo report. Their approach relies on the reversible insertion and removal of small chiral molecules from the interlayer gaps of a layered, nonchiral semiconductor material using electrochemistry.

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