Interfacial Tuning of Anisotropic Gilbert Damping

URN to cite this document:: urn:nbn:de:bvb:355-epub-538186
DOI to cite this document:: 10.5283/epub.53818

Chen, Lin

; Mankovsky, S.

; Kronseder, Matthias

; Schuh, Dieter ; Prager, Michael

; Bougeard, Dominique

; Ebert, H. ; Weiss, Dieter

; Back, Christian H.

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Date of publication of this fulltext: 20 Feb 2023 09:10

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Abstract

Tuning of the anisotropic Gilbert damping Δα has been realized in ultrathin single-crystalline Fe films grown on GaAs (001). A nonmonotonic dependence of Δα on film thickness t is observed upon varying t about 10 ML (∼1.4 nm). Δα increases for 16 ML>t>8.5 ML, and then decreases for 8.5 ML>t>6.5 ML accompanied by a sign reversal of Δα for t=6.5 ML. The sign reversal of Δα is captured by ...