Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 48, Pages 15642-15644Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201811456
Keywords
chalcogenides; electronic structure; Kagome structure; magnetic structure; semimetal; shandite
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Parallelly aligned spins in Co-Kagome nets have provided several reasons for researchers to celebrate: Liu et al. and Wang et al. have reported discoveries of unique combinations of properties: Sn2Co3S2=Co3Sn2S2=SnCo3/2S exhibits giant anomalous Hall effects that exceed those of known materials by orders of magnitude. For this laboratory curiosity, a specific electronic topology has been discovered in the predicted half-metal ferromagnetic S=1/2 state that makes it a fascinating example of the novel group of magnetic Weyl semimetals. We present a chemical view on this compound that was little understood for a long time, but that is now also studied with respect to skyrmion lattices and thermoelectrics.
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