期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 24, 期 41, 页码 25426-25433出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2cp03318f
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资金
- Scientific and Technological Research Council of Turkey (TUBITAK) [119F361]
In this study, the absorption of F and Cl on ferromagnetic monolayer CrN was investigated using first-principles calculations. It was found that the magnetic properties of CrN can be altered after the adsorption of F and Cl, opening a route to the detection of these gases using magnetic or optical measurements.
On the basis of first-principles calculations, we investigate the absorption of fluorine and chlorine on ferromagnetic monolayer CrN focusing on the mechanism of spin reorientation. We use density functional theory in combination with the spin Hamiltonian approach to study the electronic and magnetic properties of monolayer CrN upon single-side adsorption of F and Cl atoms. While the electronic structure of ferromagnetic CrN remains half-metallic after functionalization, its preferred axis of magnetization is rotated toward the in-plane direction due to the orbital moment suppression. The half-coverage of CrN is found to be thermodynamically stable and ferromagnetically ordered at room temperature. Our findings demonstrate the possibility of altering the magnetic properties of a two-dimensional magnet after the adsorption of F and Cl, which opens a route to the detection of these gases using magnetic or optical measurements.
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