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 …

[HTML][HTML] Spintronic sources of ultrashort terahertz electromagnetic pulses

TS Seifert, L Cheng, Z Wei, T Kampfrath, J Qi - Applied Physics Letters, 2022 - pubs.aip.org
Spintronic terahertz emitters are broadband and efficient sources of terahertz radiation,
which emerged at the intersection of ultrafast spintronics and terahertz photonics. They are …

Transition of laser-induced terahertz spin currents from torque-to conduction-electron-mediated transport

P Jiménez-Cavero, O Gueckstock, L Nádvorník, I Lucas… - Physical Review B, 2022 - APS
Spin transport is crucial for future spintronic devices operating at bandwidths up to the
terahertz range. In F| N thin-film stacks made of a ferromagnetic/ferrimagnetic layer F and a …

[HTML][HTML] Impact of gigahertz and terahertz transport regimes on spin propagation and conversion in the antiferromagnet IrMn

O Gueckstock, RL Seeger, TS Seifert, S Auffret… - Applied Physics …, 2022 - pubs.aip.org
Control over spin transport in antiferromagnetic systems is essential for future spintronic
applications with operational speeds extending to ultrafast time scales. Here, we study the …

Temperature‐Dependent Terahertz Emission from Co/Mn2Au Spintronic Bilayers

Y Ni, Z Jin, B Song, X Zhou, H Chen… - physica status solidi …, 2021 - Wiley Online Library
Recently, ferromagnetic/nonmagnetic heavy metal heterostructures have been intensively
investigated as terahertz (THz) emitters. The interconversion of spin‐to‐charge dynamics …

All-optical spin injection in silicon investigated by element-specific time-resolved Kerr effect

S Laterza, A Caretta, R Bhardwaj, R Flammini, P Moras… - Optica, 2022 - opg.optica.org
Understanding how a spin current flows across metal-semiconductor interfaces at pico-and
femtosecond time scales is of paramount importance for ultrafast spintronics, data …

Thermal Modulation of Magnetization Dynamics in Nanometer-Thick L10-FePt Nanogranular and Continuous Films for High-Density Magnetic Recording Media

Y Sasaki, I Suzuki, R Mandal, S Kasai… - ACS Applied Nano …, 2023 - ACS Publications
Thermal modulation of magnetism in magnetic recording media is a novel technique to
increase the recording density. L 10-FePt is a promising material for the media; however …

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 …

Different spin relaxation properties observed in linearly and circularly polarized laser induced terahertz emission from a Bi/Co bilayer

K Ishibashi, S Iihama, S Mizukami - Physical Review B, 2023 - APS
Recently, a helicity-dependent photocurrent was reported in Bi single-layer thin films. It is
proposed that the origin of this photocurrent is the combination of photon-spin conversion …

Magnetic Properties and THz Emission from Co/CoO/Pt and Ni/NiO/Pt Trilayers

N Kanistras, L Scheuer, DI Anyfantis, A Barnasas… - Nanomaterials, 2024 - mdpi.com
THz radiation emitted by ferromagnetic/non-magnetic bilayers is a new emergent field in
ultra-fast spin physics phenomena with a lot of potential for technological applications in the …