4 papers · 1 filter
Terahertz Phase Inversion via Field-Free Spin-Orbit Torque Switching in an Antenna-Integrated Spintronic Heterostructure
Amir Khan, Tiago de Oliveira Schneider, Suraj Joshi +4
We demonstrate microsecond-timescale electrical control of the terahertz (THz) emission phase in broadband field-free spintronic THz emitters, enabling megahertz-rate phase inversi…
Uniaxial Magnetic Anisotropy and Type-X/Y Current-Induced Magnetization Switching in Oblique-Angle-Deposited Ta/CoFeB/Pt and W/CoFeB/Pt Heterostructures
Amir Khan, Shalini Sharma, Tiago de Oliveira Schneider +1
Planar current-induced magnetization switching (CIMS) driven by spin-orbit torque (SOT) requires an in-plane uniaxial magnetic anisotropy (UMA), which can be induced by oblique-ang…
Enhanced THz emission from spintronic emitters with Pt-Al alloys
Felix Janus, Nicolas Beermann, Jyoti Yadav +5
Platinum (Pt) is the element with the largest spin Hall conductivity and is known as the most efficient spin-to-charge conversion material in spintronic THz emitters. By alloying w…
OpenFMR: A low-cost open-source broadband ferromagnetic resonance spectrometer
Markus Meinert, Tiago de Oliveira Schneider, Shalini Sharma +1
We describe a broadband ferromagnetic resonance spectrometer for scientific and educational applications with a frequency range up to 30 GHz. It is built with low-cost components a…