www.sciencedaily.com
Researchers have developed a technique that carves complex 3D nanodevices directly from single crystals. By sculpting microscopic helices from a magnetic material, they created structures that function like switchable diodes. These helices conduct current preferentially in one direction, but the flow can be flipped by altering the magnetization or twist of the helix. This breakthrough demonstrates that geometry itself can be manipulated as a tool for electronic design, paving the way for novel “mechanoelectronic” components.
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