Interfacial Dzyaloshinskii-Moriya interaction and orbital magnetic moments of metallic multilayer films
Author(s) -
Kento Yamamoto,
AbdulMuizz Pradipto,
Kenji Nawa,
Toru Akiyama,
Tomonori Ito,
Teruo Ono,
Kohji Nakamura
Publication year - 2016
Publication title -
aip advances
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.421
H-Index - 58
ISSN - 2158-3226
DOI - 10.1063/1.4973217
Subject(s) - condensed matter physics , magnetic moment , metal , coupling (piping) , sign (mathematics) , spin–orbit interaction , spin (aerodynamics) , thin film , materials science , inductive coupling , physics , nanotechnology , quantum mechanics , metallurgy , thermodynamics , mathematical analysis , mathematics
Dzyaloshinskii-Moriya interaction (DMI) at metallic multilayer interfaces of Co thin films and heavy-metals X (X=Ir, Pt) was investigated from first principles calculations that treat spin-spirals with the spin-orbit coupling. The results predict that the sign of the DMI parameters depends on the heavy-metals at the interfaces, and that the variation of the orbital moments behaves differently depending on the sign of the DMI parameters
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