Antiferromagnetic–Ferromagnetic Heterostructure‐Based Field‐Free Terahertz Emitters

X Wu, H Wang, H Liu, Y Wang, X Chen… - Advanced …, 2022 - Wiley Online Library
Recently, ferromagnetic‐heterostructure spintronic terahertz (THz) emitters have been
recognized as one of the most promising candidates for next‐generation THz sources …

Spintronic terahertz emitters: Status and prospects from a materials perspective

C Bull, SM Hewett, R Ji, CH Lin, T Thomson… - Apl Materials, 2021 - pubs.aip.org
Spintronic terahertz (THz) emitters, consisting of ferromagnetic (FM)/non-magnetic (NM) thin
films, have demonstrated remarkable potential for use in THz time-domain spectroscopy and …

Separation of emission mechanisms in spintronic terahertz emitters

Y Liu, H Cheng, Y Xu, P Vallobra, S Eimer, X Zhang… - Physical Review B, 2021 - APS
Spintronic thin films were shown to be promising high-performance broadband terahertz
(THz) emitters. For spintronic ferromagnet/heavy metal heterostructures, THz emission …

Broadband spintronic terahertz emitter with magnetic‐field manipulated polarizations

D Kong, X Wu, B Wang, T Nie, M Xiao… - Advanced Optical …, 2019 - Wiley Online Library
Flexible manipulation of terahertz wave polarizations during the generation process is very
important for terahertz applications, especially for the next‐generation on‐chip functional …

Thermomagnetic control of spintronic THz emission enabled by ferrimagnets

M Fix, R Schneider, J Bensmann… - Applied Physics …, 2020 - pubs.aip.org
In this Letter, we present a material system with two ferrimagnetic Gd x Fe 100-x layers
where the relative orientation of the Fe magnetic moments can be set by temperature in the …

THz pulses from optically excited Fe-, Pt-and Ta-based spintronic heterostructures

S Kumar, A Nivedan, A Singh, S Kumar - Pramana, 2021 - Springer
Spintronic heterostructures are considered to be the new generation terahertz (THz) sources
because of their capability of producing high power and broadband THz radiation. Here, we …

Modification of spintronic terahertz emitter performance through defect engineering

DM Nenno, L Scheuer, D Sokoluk, S Keller… - Scientific reports, 2019 - nature.com
Spintronic ferromagnetic/non-magnetic heterostructures are novel sources for the
generation of THz radiation based on spin-to-charge conversion in the layers. The key …

Terahertz emission from compensated magnetic heterostructures

M Chen, R Mishra, Y Wu, K Lee… - Advanced Optical …, 2018 - Wiley Online Library
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 …

Co2FeAl Full Heusler Compound Based Spintronic Terahertz Emitter

R Gupta, S Husain, A Kumar, R Brucas… - Advanced Optical …, 2021 - Wiley Online Library
To achieve a large terahertz (THz) amplitude from a spintronic THz emitter (STE), materials
with 100% spin polarisation such as Co‐based Heusler compounds as ferromagnetic layer …

High performance THz emitters based on ferromagnetic/nonmagnetic heterostructures

Y Wu, M Elyasi, X Qiu, M Chen, Y Liu, L Ke… - arXiv preprint arXiv …, 2016 - arxiv.org
We report a THz emitter with excellent performances based on nonmagnetic (NM) and
ferromagnetic (FM) heterostructures. The spin currents are first excited by the femtosecond …