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Direct observation of the Dzyaloshinskii-Moriya interaction in a Pt/Co/Ni film.
Linewidth measurements reveal that the lifetime of the magnons is asymmetric with respect to their counter-propagating directions, and the lifetime asymmetry is dependent on the magnon frequency, being more pronounced, the higher the frequency.
The Effect of Dust on Transmission and Self-cleaning Property of Solar Panels
Surface-energy engineering of graphene.
- Y. Shin, Yingying Wang, Hyunsoo Yang
- PhysicsLangmuir : the ACS journal of surfaces and…
- 17 February 2010
By using a low-power oxygen plasma treatment, the wettability of graphene is improved without additional damage, which can solve the adhesion issues involved in the fabrication of graphene devices.
Ferroelectrically tunable magnetic skyrmions in ultrathin oxide heterostructures
The discovery of ferroelectrically tunable skyrmions in ultrathin BaTiO3/SrRuO3 bilayer heterostructures is reported and can simultaneously enhance the integratability and addressability ofskyrmion-based functional devices.
High‐Performance THz Emitters Based on Ferromagnetic/Nonmagnetic Heterostructures
The proposed devices are not only promising for a wide range of THz equipment, but also offer an alternative approach to characterize the spin-orbit interaction in nonmagnetic/ferromagnetic bilayers.
Room temperature magnetization switching in topological insulator-ferromagnet heterostructures by spin-orbit torques
The authors report room temperature magnetization switching in topological insulator-ferromagnet heterostructures by spin-orbit torques, and identify a large charge-to-spin conversion efficiency in the thin Bi2Se3 films, where the topological surface states are dominant.
Observation of stable Néel skyrmions in cobalt/palladium multilayers with Lorentz transmission electron microscopy
- S. Pollard, J. Garlow, Jiawei Yu, Zhen Wang, Yimei Zhu, Hyunsoo Yang
- PhysicsNature communications
- 1 February 2017
The formation and resolution of the internal spin structure of room temperature skyrmions without a stabilizing out-of-plane field in thick magnetic multilayers opens up a new set of tools and materials to study the physics and device applications associated with chiral ordering and skyrMions.
Frictional characteristics of exfoliated and epitaxial graphene
Terahertz Emission from Compensated Magnetic Heterostructures
- Mengji Chen, R. Mishra, Yang Wu, Kyusup Lee, Hyunsoo Yang
- Physics, Materials ScienceAdvanced Optical Materials
- 7 June 2018
Terahertz emission spectroscopy (TES) has recently played an important role in unveiling the spin dynamics at a terahertz (THz) frequency range. So far, ferromagnetic/nonmagnetic heterostructures…
All-electric magnetization switching and Dzyaloshinskii–Moriya interaction in WTe2/ferromagnet heterostructures
The capability of WTe2 to efficiently manipulate magnetization is demonstrated and light is shed on the role of the interface in Weyl semimetal/magnet heterostructures.