Journal Article

FZJ-2020-01048

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Electric dipole moment as descriptor for interfacial Dzyaloshinskii-Moriya interaction

Jia, H. (Corresponding author)FZJ* ; Zimmermann, B. (Corresponding author)FZJ* ; Michalicek, G.FZJ* ; Bihlmayer, G.FZJ* ; Blügel, S.FZJ*

2020
APS College Park, MD

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Please use a persistent id in citations: http://hdl.handle.net/2128/24346  doi:10.1103/PhysRevMaterials.4.024405

Abstract: Chiral magnets are of fundamental interest and have important technological ramifications. The origin of chiralmagnets lies in the Dzyaloshinskii-Moriya interaction (DMI), an interaction whose experimental and theoreticaldetermination is laborious. We derive an expression that identifies the electric dipole moment as descriptor forthe systematic design of chiral magnetic multilayers. Using density functional theory calculations, we determinethe DMI of (111)-oriented metallic ferromagnetic Z/Co/Pt multilayers of ultrathin films. The nonmagneticlayer Z determines the DMI at the Co-Pt interface. The results validate the electric and magnetic dipolemoments as excellent descriptors. We found a linear relation between the electric dipole moment of Pt, theAllen electronegativity of Z, and the contribution of Pt to the total DMI.

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Contributing Institute(s):

1. Quanten-Theorie der Materialien (PGI-1)
2. Quanten-Theorie der Materialien (IAS-1)
3. JARA - HPC (JARA-HPC)
4. JARA-FIT (JARA-FIT)

Research Program(s):

1. 142 - Controlling Spin-Based Phenomena (POF3-142) (POF3-142)
2. 143 - Controlling Configuration-Based Phenomena (POF3-143) (POF3-143)
3. Magnetic Anisotropy of Metallic Layered Systems and Nanostructures (jiff13_20131101) (jiff13_20131101)
4. Systematic investigation of magnetic thin films and multi-layers - towards sub-10nm skyrmions for future data storage devices (jara0197_20181101) (jara0197_20181101)

Appears in the scientific report 2020

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Database coverage:
; ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; IF < 5 ; JCR ; Science Citation Index Expanded ; Web of Science Core Collection

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