Stacking-Dependent Magnetism in Bilayer CrI<sub>3</sub>.
basic_science · Level V
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- Record sourced from PubMed, PMID 30408960.
- Also identified by DOI 10.1021/acs.nanolett.8b03321.
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Abstract
We report the connection between the stacking order and magnetic properties of bilayer CrI<sub>3</sub> using first-principles calculations. We show that the stacking order defines the magnetic ground state. By changing the interlayer stacking order, one can tune the interlayer exchange interaction between antiferromagnetic and ferromagnetic. To measure the predicted stacking-dependent magnetism, we propose using linear magnetoelectric effect. Our results not only gives a possible explanation for the observed antiferromagnetism in bilayer CrI<sub>3</sub> but also have direct implications in heterostructures made of two-dimensional magnets.