High-Spin Orbital Interactions Across van der Waals Gaps Controlling the Interlayer Ferromagnetism in van der Waals Ferromagnets

Hyun Joo Koo, Reinhard K. Kremer, Myung Hwan Whangbo

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

We examined what interactions control the sign and strength of the interlayer coupling in van der Waals ferromagnets such as Fe3-xGeTe2, Cr2Ge2Te6, CrI3, and VI3to find that high-spin orbital interactions across the van der Waals gaps are a key to understanding their ferromagnetism. Interlayer ferromagnetic coupling in Fe3-xGeTe2, Cr2Ge2Te6, and CrI3is governed by the high-spin two-orbital two-electron destabilization, but that in VI3by the high-spin four-orbital two-electron stabilization. These interactions explain a number of seemingly puzzling observations in van der Waals ferromagnets.

Original languageEnglish
Pages (from-to)16272-16275
Number of pages4
JournalJournal of the American Chemical Society
Volume144
Issue number36
DOIs
Publication statusPublished - 14 Sept 2022

Bibliographical note

Publisher Copyright:
© 2022 American Chemical Society. All rights reserved.

Fingerprint

Dive into the research topics of 'High-Spin Orbital Interactions Across van der Waals Gaps Controlling the Interlayer Ferromagnetism in van der Waals Ferromagnets'. Together they form a unique fingerprint.

Cite this