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19 April 2024 |
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Article overview
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All-electrical detection of spin dynamics in magnetic antidot lattices by the inverse spin Hall effect | | Matthias B. Jungfleisch
; Wei Zhang
; Junjia Ding
; Wanjun Jiang
; Joseph Sklenar
; John E. Pearson
; John B. Ketterson
; Axel Hoffmann
; | | Date: |
6 Jan 2016 | | Abstract: | The understanding of spin dynamics in laterally confined structures on
sub-micron length scales has become a significant aspect of the development of
novel magnetic storage technologies. Numerous ferromagnetic resonance
measurements, optical characterization by Kerr microscopy and Brillouin light
scattering spectroscopy and x-ray studies were carried out to detect the
dynamics in patterned magnetic antidot lattices. Here, we investigate
Oersted-field driven spin dynamics in rectangular Ni80Fe20/Pt antidot lattices
with different lattice parameters by electrical means and compare them to
micromagnetic simulations. When the system is driven to resonance, a dc voltage
across the length of the sample is detected that changes its sign upon field
reversal, which is in agreement with a rectification mechanism based on the
inverse spin Hall effect. Furthermore, we show that the voltage output scales
linearly with the applied microwave drive in the investigated range of powers.
Our findings have direct implications on the development of engineered
magnonics applications and devices. | | Source: | arXiv, 1601.1221 | | Services: | Forum | Review | PDF | Favorites | |
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