Authors:	Boventer, Isabella Simensen, Haakon T. Anane, A. Kläui, Mathias Brataas, Arne Lebrun, Romain
Title:	Room-temperature antiferromagnetic resonance and inverse spin-Hall voltage in canted antiferromagnets
Online publication date:	20-Aug-2021
Year of first publication:	2021
Language:	english
Abstract:	We study theoretically and experimentally the spin pumping signals induced by the resonance of canted antiferromagnets with Dzyaloshinskii-Moriya interaction and demonstrate that they can generate easily observable inverse spin-Hall voltages. Using a bilayer of hematite/heavy metal as a model system, we measure at room temperature the antiferromagnetic resonance and an associated inverse spin-Hall voltage, as large as in collinear antiferromagnets. As expected for coherent spin pumping, we observe that the sign of the inverse spin-Hall voltage provides direct information about the mode handedness as deduced by comparing hematite, chromium oxide and the ferrimagnet yttrium-iron garnet. Our results open new means to generate and detect spin currents at terahertz frequencies by functionalizing antiferromagnets with low damping and canted moments.
DDC:	530 Physik 530 Physics
Institution:	Johannes Gutenberg-Universität Mainz
Department:	FB 08 Physik, Mathematik u. Informatik
Place:	Mainz
ROR:	https://ror.org/023b0x485
DOI:	http://doi.org/10.25358/openscience-6295
Version:	Accepted version
Publication type:	Zeitschriftenaufsatz
Document type specification:	Scientific article
License:	In Copyright
Information on rights of use:	http://rightsstatements.org/vocab/InC/1.0/
Journal:	Physical review letters 126 18
Pages or article number:	187201
Publisher:	American Physical Society
Publisher place:	Ridge, NY
Issue date:	2021
ISSN:	0031-9007
Publisher URL:	https://doi.org/10.1103/PhysRevLett.126.187201
Publisher DOI:	10.1103/PhysRevLett.126.187201
Appears in collections:	JGU-Publikationen