Effects of the interfacial Dzyaloshinskii–Moriya interaction on magnetic dynamics

M Shen, X Li, Y Zhang, X Yang… - Journal of Physics D …, 2022 - iopscience.iop.org
Abstract In the'Beyond Moore's Law'era, information devices are expected to exhibit
advantages, including small sizes, high processing speeds, and low power and dissipation …

Electron and magnon resonant tunneling: materials, physics and devices

X Han, L Tao, H Wu, P Tang… - Journal of Physics D …, 2023 - iopscience.iop.org
Resonant tunneling (RT) originally refers to electron tunneling through the resonant states of
double-barrier potentials with a series of sharply peaked transmission coefficients (close to …

Magnonic skin effect and magnon valve effect in an antiferromagnetically coupled heterojunction

ZR Yan, YW Xing, XF Han - Physical Review B, 2021 - APS
We theoretically study the scattering behavior of spin waves (SWs) at the interface of an
antiferromagnetically coupled (AFMC) heterojunction. It is shown that the SWs passing …

Inverse design of magnonic filter

ZR Yan, YW Xing, XF Han - Journal of Magnetism and Magnetic Materials, 2022 - Elsevier
Monochromatic spin wave (SW) is the substrates for the realizing the practical function of
magnonic devices, however the generating perfect monochromatic SW is still a unsolved but …

Current-induced spin-wave Doppler shift and attenuation in compensated ferrimagnets

DH Kim, SH Oh, DK Lee, SK Kim, KJ Lee - Physical Review B, 2021 - APS
We theoretically and numerically study current-induced modification of ferrimagnetic spin-
wave dynamics when an electrical current generates adiabatic and nonadiabatic spin …

Terahertz magnon excitation in antiferromagnetic domain walls based on mass-energy equivalence

X Ge, P Yan, W Luo, S Liang, Y Zhang - Applied Physics Letters, 2024 - pubs.aip.org
The theory of special relativity is one of the most significant achievements in modern
physics, with several important predictions such as time dilation, size contraction for a …

Magnon flatband effect in antiferromagnetically coupled magnonic crystals

C Cheng, ZR Yan, YW Xing, J Dong, Y Zhang… - Applied Physics …, 2023 - pubs.aip.org
The dispersion relationships in antiferromagnetically coupled magnonic crystals (MCs) were
investigated using micromagnetic simulations. In contrast to traditional MCs …

Magnonic notch filter based on spin wave caustic beams

MS Swyt, L Compton, A Reyes-Almanza… - Applied Physics …, 2024 - pubs.aip.org
Here, we study a magnonic crystal made of low-damping yttrium iron garnet that utilizes
pseudo-caustic spin wave beams generated from subwavelength square well features …

Magnetic patterning of Co/Ni layered systems by plasma oxidation

B Anastaziak, W Andrzejewska, M Schmidt… - Scientific Reports, 2022 - nature.com
We studied the structural, chemical, and magnetic properties of Ti/Au/Co/Ni layered systems
subjected to plasma oxidation. The process results in the formation of NiO at the expense of …

[HTML][HTML] Antiferromagnetic Spin Wave Amplification by Scattering in the Presence of Non-Uniform Dzyaloshinskii–Moriya Interaction

T Kim, GJ Kim, JI Kim, KH Jang - Materials, 2024 - mdpi.com
In this study, we suggest a method to amplify spin waves (SWs) in antiferromagnets (AFMs).
By introducing a non-uniform Dzyaloshinskii–Moriya (DM) interaction, the potential barrier …