Ultra-high spin emission from antiferromagnetic FeRh

D Hamara, M Strungaru, JR Massey, Q Remy… - Nature …, 2024 - nature.com
An antiferromagnet emits spin currents when time-reversal symmetry is broken. This is
typically achieved by applying an external magnetic field below and above the spin-flop …

Laser-Induced Ultrafast Spin Injection in All-Semiconductor Magnetic CrI3/WSe2 Heterobilayer

Y Guo, Y Zhang, QL Liu, Z Zhou, J He, S Yuan… - ACS …, 2024 - ACS Publications
Spin injection stands out as a crucial method employed for initializing, manipulating, and
measuring the spin states of electrons, which are fundamental to the creation of qubits in …

Terahertz Spin-Conductance Spectroscopy: Probing Coherent and Incoherent Ultrafast Spin Tunneling

R Rouzegar, MA Wahada, AL Chekhov, W Hoppe… - Nano Letters, 2024 - ACS Publications
Thin-film stacks F| H consisting of a ferromagnetic-metal layer F and a heavy-metal layer H
are spintronic model systems. Here, we present a method to measure the ultrabroadband …

Picosecond Spin Current Generation from Vicinal Metal-Antiferromagnetic Insulator Interfaces

B Yang, Q Ji, FZ Huang, J Li, YZ Tian, B Xue, R Zhu… - Physical Review Letters, 2024 - APS
We report the picosecond spin current generation from the interface between a heavy metal
and a vicinal antiferromagnet insulator Cr 2 O 3 by laser pulses at room temperature and …

Efficient terahertz emission from R-plane

R Agarwal, Z Li, KIA Khan, EEM Chia, PK Muduli - Physical Review B, 2024 - APS
We report on the generation of ultrafast spin currents through femtosecond laser excitation of
epitaxial bilayer thin films comprising α-Fe 2 O 3 (an insulating antiferromagnet) and Pt (a …

Enhanced terahertz spin transmittance in the NiO/Pt structure through interface engineering

D Tian, L Huang, H Qiu, C Zhang, J Wu, K Fan… - Applied Physics …, 2024 - pubs.aip.org
Since antiferromagnets (AFMs) have the potential to drive spintronic devices to higher speed
and stability, generation, and transportation of terahertz (THz) spin currents in AFM/heavy …

Terahertz spin current dynamics in antiferromagnetic hematite

H Qiu, TS Seifert, L Huang, Y Zhou, Z Kašpar… - Advanced …, 2023 - Wiley Online Library
An important vision of modern magnetic research is to use antiferromagnets (AFMs) as
controllable and active ultrafast components in spintronic devices. Hematite (α‐Fe2O3) is a …

Ultrafast terahertz spin and orbital transport in magnetic/nonmagnetic multilayer heterostructures and a perspective

S Kumar, S Kumar - Journal of Applied Physics, 2023 - pubs.aip.org
Ultrafast optically excited ferromagnetic (FM)/nonmagnetic (NM) multilayer heterostructures
have been demonstrated recently as efficient, high-power, and broadband sources of …

[PDF][PDF] 单层铁磁体中的超快太赫兹辐射研究进展

洪晖祥, 张慧萍, 许涌, 吴少晖, 金钻明… - Journal of terahertz …, 2024 - researching.cn
宽频带太赫兹辐射源在太赫兹科学与技术中有着迫切的实际应用需求, 是构建波谱和成像为代表
的太赫兹应用系统的核心器件. 与常用的商用太赫兹源相比, 自旋光电子学太赫兹辐射源具有超 …

[PDF][PDF] Ultrafast Spin Currents in Antiferromagnets Probed by THz Emission

K Lee, Y Kim, I Lee - Small - magnetics.or.kr
The spin dynamics of antiferromagnets operates at THz frequencies, primarily driven by the
robust exchange interaction between neighboring antiparallel spins, being typically 1000 …