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A research group has successfully synthesized a "half-metal" material, achieving a rare feat in the pursuit of zero magnetization.
Half-metals can dramatically enhance the performance of electronic devices. This is due to their 100% spin-polarization, which allows them to behave as metals in one spin direction, and insulators/semiconductors in the other. Most successful instances of half-metals are ferromagnetic, meaning their spin arrangement is aligned.
Antiferromagnetic-like half metals, where the spin aligns in an antiparallel nature, are desirable since no magnetic stray field can disturb it, even if integrated at high density. To date, only two cases of antiferromagnetic-like half-metals have been reported.
Following a development guideline, the research group created a compound consisting of iron, chromium, and sulfur. The new material completely loses its magnetization at low temperatures.
"The developed half-metal material possesses excellent properties, and the material development guidelines played a pivotal role in our success," said Satoshi Semboshi, paper co-author and professor at Tohoku University's Institute for Materials Research (IMR).
Colleague and fellow co-author Rie Umetsu added, "We believe the results will improve the efficiency of future materials research and accelerate the innovation of electronic devices."
Details of their research were published in the journal Scientific Reports on June 23, 2022. Explore further Spintronics: Improving electronics with finer spin control More information: S. Semboshi et al, A new type of half-metallic fully compensated ferrimagnet, Scientific Reports (2022). DOI: 10.1038/s41598-022-14561-8 Journal information: Scientific Reports
Provided by Tohoku University Citation: Researchers synthesize half-metal with zero magnetization (2022, July 15) retrieved 10 September 2022 from https://phys.org/news/2022-07-half-metal-magnetization.html This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only.Use this form if you have come across a typo, inaccuracy or would like to send an edit request for the content on this page. For general inquiries, please use our contact form. For general feedback, use the public comments section below (please adhere to guidelines).
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