Electric field dependence of the giant magnetic anisotropy of Ru monolayer on MgO(001) substrate | Zendy

Yukie Kitaoka | Zendy; Hiroshi Imamura | Zendy

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Electric field dependence of the giant magnetic anisotropy of Ru monolayer on MgO(001) substrate

Author(s) -

Yukie Kitaoka,

Hiroshi Imamura

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4980054

Subject(s) - monolayer , substrate (aquarium) , electric field , condensed matter physics , anisotropy , materials science , spin–orbit interaction , magnetic anisotropy , fermi level , magnetic field , magnetization , nanotechnology , physics , optics , electron , oceanography , quantum mechanics , geology

Magneticanisotropy energy (MAE) of a Ru monolayer on MgO(001) substrateunder the application of an electric field is investigated by using first-principles calculations.Owing to the large spin orbit coupling in Ru atoms, both MAE and its rate of changeagainst electricfield are about 3 times as large as those of an Fe monolayer on MgO(001)substrate. The change rate of MAE of Ru/MgO has an opposite sign to that of Fe/MgO, whichoriginates from the modification of the band structure near the Fermi energy aroundΓ¯point caused by the application of an electric field

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