Title: Electric field control of magnons in magnetic thin films: Ab initio predictions for two-dimensional metallic heterostructures
Authors: Marmodoro, Alberto
Mankovsky, Sergiy
Ebert, Hubert
Minár, Jan
Šipr, Ondřej
Citation: MARMODORO, A. MANKOVSKY, S. EBERT, H. MINÁR, J. ŠIPR, O. Electric field control of magnons in magnetic thin films: Ab initio predictions for two-dimensional metallic heterostructures. Physical Review B, 2022, roč. 105, č. 17, s. nestránkováno. ISSN: 2469-9950
Issue Date: 2022
Publisher: American Physical Society
Document type: článek
URI: 2-s2.0-85130322100
ISSN: 2469-9950
Abstract in different language: We explore possibilities for control of magnons in two-dimensional heterostructures by an external electric field acting across a dielectric barrier. By performing ab initio calculations for a Fe monolayer and Fe bilayer, both suspended in vacuum and deposited on Cu(001), we demonstrate that external electric field can significantly modify magnon lifetimes and that these changes can be related to field-induced changes in layer-resolved Bloch spectral functions. For systems with more magnon dispersion branches, the gap between high- and low-energy eigenmodes varies with the external field. These effects are strongly influenced by the substrate. Considerable variability in how the magnon spectra are sensitive to the external electric field can be expected, depending on the substrate and on the thickness of the magnetic layer.
Rights: Plný text není přístupný.
© American Physical Society
Appears in Collections:Články / Articles (RAM)

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