Frequency-independent terahertz anomalous Hall effect in DyCo$_{5}$, Co$_{32}$Fe$_{68}$ and Gd$_{27}$Fe$_{73}$ thin films from DC to 40 THz

no code implementations • 3 Nov 2020 • Tom S. Seifert, Ulrike Martens, Florin Radu, Mirkow Ribow, Marco Berritta, Lukas Nádvorník, Ronald Starke, Tomas Jungwirth, Martin Wolf, Ilie Radu, Markus Münzenberg, Peter M. Oppeneer, Georg Woltersdorf, Tobias Kampfrath

The results imply that the AHE and related effects such as the spin Hall effect are highly promising ingredients of future THz spintronic devices reliably operating from DC to 40 THz and beyond.

Materials Science Mesoscale and Nanoscale Physics

Enhanced THz emission from spintronic Fe/Pt emitters through crystal growth optimization

no code implementations • 23 Oct 2020 • Agne Ciuciulkaite, Oliver Gueckstock, Anna Ravensburg, Merlin Pohlit, Tobias Warnatz, Tobias Kampfrath, Georg Schmidt, Evangelos Th. Papaioannou, Vassilios Kapaklis

We investigate the THz emission characteristics of ferromagnetic/non-magnetic metallic heterostructures, focusing on thin Fe/Pt bilayers.

Applied Physics