Bulletin of the American Physical Society
APS March Meeting 2019
Volume 64, Number 2
Monday–Friday, March 4–8, 2019; Boston, Massachusetts
Session T70: Poster Session III(1:00pm-4:00pm)
1:00 PM,
Thursday, March 7, 2019
BCEC
Room: Exhibit Hall
Abstract: T70.00376 : Upgrading scanning tunneling microscopy with a radio-frequency modulation system for the detection of ferromagnetic resonance
Presenter:
Hung-Hsiang Yang
(Institute for Solid State Physics, University of Tokyo)
Authors:
Hung-Hsiang Yang
(Institute for Solid State Physics, University of Tokyo)
Kanta Asakawa
(Institute for Solid State Physics, University of Tokyo)
Fumikazu Oguro
(Institute for Solid State Physics, University of Tokyo)
Yudai Sato
(Institute for Solid State Physics, University of Tokyo)
Susumu Takahashi
(Department of Chemistry, University of Southern California)
Yukio Hasegawa
(Institute for Solid State Physics, University of Tokyo)
We are developing radio-frequency STM (RF-STM), intending to detect ferromagnetic resonance of nanosize ferromagnetic island structures and to generate spin waves around them. One of the key issues for the development is to generate constant-amplitude radio frequency sweeps at the tunneling junction [2]. Because of magnetostriction-induced drift, sweeping magnetic fields is not preferable. In the presentation, we will discuss the progress of the development and its performance.
[1] S. Baumann, W. Paul1, T. Choi, C. P. Lutz, A. Ardavan, A. J. Heinrich. Science 350, 417 (2015).
[2] W. Paul, S. Baumann, C. P. Lutz, A. J. Heinrich, Rev. Sci. Inst. 87, 074703 (2016).
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