Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session B40: Complex Oxide Films and Heterostructures I
11:15 AM–2:15 PM,
Monday, March 4, 2019
BCEC
Room: 208
Sponsoring
Units:
GMAG DMP DCOMP
Chair: George Sterbinsky, Argonne National Laboratory
Abstract: B40.00009 : Magnon spin transport through antiferromagnetic NiO
1:15 PM–1:27 PM
Presenter:
Geert Hoogeboom
(Physics of Nanodevices, Zernike Institure for Advanced Materials)
Authors:
Geert Hoogeboom
(Physics of Nanodevices, Zernike Institure for Advanced Materials)
Bart Van Wees
(Physics of Nanodevices, Zernike Institure for Advanced Materials)
Electrical and thermal injection of magnon spins occurs by a charge current through Pt, creating an interface spin accumulation via the Spin Hall Effect (SHE) and a thermally based magnon gradient. Resulting spin currents are detected by the inverse SHE, showing a 90° and 180° shift in the electrical and thermal signal respectively. Moreover, magnons that are detected non-locally revealed that both injection and detection is dependent on the magnetic texture of the NiO layer.
[1] Jungwirth et al., NNANO 11, 231
[2] Hoogeboom et al., APL 111, 052409
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