[HTML][HTML] Excitation and detection of coherent sub-terahertz magnons in ferromagnetic and antiferromagnetic heterostructures

S Zhuang, JM Hu - npj Computational Materials, 2022 - nature.com
Excitation of coherent high-frequency magnons (quanta of spin waves) is critical to the
development of high-speed magnonic devices. Here we computationally demonstrate the …

[HTML][HTML] Theory of antiferromagnet-based detector of terahertz frequency signals

A Safin, S Nikitov, A Kirilyuk, V Tyberkevych, A Slavin - Magnetochemistry, 2022 - mdpi.com
We present a theory of a detector of terahertz-frequency signals based on an
antiferromagnetic (AFM) crystal. The conversion of a THz-frequency electromagnetic signal …

[HTML][HTML] Spin-orbit torque manipulation of sub-terahertz magnons in antiferromagnetic α-Fe2O3

D Yang, T Kim, K Lee, C Xu, Y Liu, F Wang… - Nature …, 2024 - nature.com
The ability to electrically manipulate antiferromagnetic magnons, essential for extending the
operating speed of spintronic devices into the terahertz regime, remains a major challenge …

Large-amplitude and widely tunable self-oscillations enabled by the inertial effect in uniaxial antiferromagnets driven by spin-orbit torques

PB He - Physical Review B, 2023 - APS
Recently, the inertia has been demonstrated for magnetization dynamics, such as the
nutational resonance and spin wave, as well as the inertial switching. Here, we focus on the …

Tunable range of terahertz oscillations triggered by the spin Hall effect in a biaxial antiferromagnet

YQ Zhao, PB He, MQ Cai - Physical Review B, 2022 - APS
We present a theoretical study on the current and frequency windows of self-oscillations
induced by the dampinglike spin-orbit torque in a biaxial antiferromagnet. By the linear …

Microwave spin-pumping from an antiferromagnet FeBO3

DA Gabrielyan, DA Volkov, EE Kozlova… - Journal of Physics D …, 2024 - iopscience.iop.org
Canted antiferromagnets offer great potential in fundamental research and for use in
applications due to their unique properties. The presence of the Dzyaloshinskii–Moriya …

[HTML][HTML] A 220 GHz–1.1 THz continuous frequency and polarization tunable quasi-optical electron paramagnetic resonance spectroscopic system

G Khatri, G Fritjofson, J Hanson-Flores… - Review of Scientific …, 2023 - pubs.aip.org
Here, we describe a custom-designed quasi-optical system continuously operating in the
frequency range 220 GHz to 1.1 THz with a temperature range of 5–300 K and magnetic …

Magnon junction effect induced by bulk acoustic waves

H Ling, L Wang, L Wang, SUI Hasnain Bakhtiar, Z Ye… - Physical Review B, 2023 - APS
As an analog to a magnetic tunneling junction, a magnon junction composed of a
ferromagnetic insulator (FMI)/antiferromagnetic insulator (AFMI)/ferromagnetic insulator …

Nonlinear dynamics of a spin-Hall nano-oscillator based on the canted antiferromagnet

A Mitrofanova, A Safin, S Nikitov - Chaos: An Interdisciplinary Journal …, 2023 - pubs.aip.org
The theory of the nonlinear dynamics of a canted antiferromagnet-based (AFM) spin-Hall
oscillator with weak ferromagnetism caused by the strong Dzyaloshinskii–Moriya interaction …

Ferrimagnet based spin Hall detector of subterahertz frequency signals

EE Kozlova, AR Safin, SA Nikitov - Applied Physics Letters, 2022 - pubs.aip.org
A concept of a subterahertz (sub-THz) frequency range signals detector based on a
ferrimagnet/normal metal (FiM/NM) heterostructure is proposed. An external linearly …