Journal Article

FZJ-2020-05028

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Imprinting and driving electronic orbital magnetism using magnons

Zhang, L.-c.FZJ* ; Go, D.FZJ* ; Hanke, J.-P.FZJ* ; Buhl, P. ; Grytsiuk, S.FZJ* ; Blügel, S.FZJ* ; Lux, F. R.FZJ* ; Mokrousov, Y. (Corresponding author)FZJ*

2020
Springer Nature London

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Please use a persistent id in citations: http://hdl.handle.net/2128/26387  doi:10.1038/s42005-020-00490-3

Abstract: Magnons, as the most elementary excitations of magnetic materials, have recently emerged as a prominent tool in electrical and thermal manipulation and transport of spin, and magnonics as a field is considered as one of the pillars of modern spintronics. On the other hand, orbitronics, which exploits the orbital degree of freedom of electrons rather than their spin, emerges as a powerful platform in efficient design of currents and redistribution of angular momentum in structurally complex materials. Here, we uncover a way to bridge the worlds of magnonics and electronic orbital magnetism, which originates in the fundamental coupling of scalar spin chirality, inherent to magnons, to the orbital degree of freedom in solids. We show that this can result in efficient generation and transport of electronic orbital angular momentum by magnons, thus opening the road to combining the functionalities of magnonics and orbitronics to their mutual benefit in the realm of spintronics applications.

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Contributing Institute(s):

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

Research Program(s):

1. 142 - Controlling Spin-Based Phenomena (POF3-142) (POF3-142)
2. 143 - Controlling Configuration-Based Phenomena (POF3-143) (POF3-143)
3. Topological transport in real materials from ab initio (jiff40_20190501) (jiff40_20190501)

Appears in the scientific report 2020

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