Optimized spintronic terahertz emitters based on epitaxial grown Fe/Pt layer structures
G Torosyan, S Keller, L Scheuer, R Beigang… - Scientific reports, 2018 - nature.com
We report on generation of pulsed broadband terahertz radiation utilizing the inverse spin
hall effect in Fe/Pt bilayers on MgO and sapphire substrates. The emitter was optimized with …
hall effect in Fe/Pt bilayers on MgO and sapphire substrates. The emitter was optimized with …
Magneto-electronic hydrogen gas sensors: A critical review
IS Maksymov, M Kostylev - Chemosensors, 2022 - mdpi.com
Devices enabling early detection of low concentrations of leaking hydrogen and precision
measurements in a wide range of hydrogen concentrations in hydrogen storage systems are …
measurements in a wide range of hydrogen concentrations in hydrogen storage systems are …
Efficient terahertz generation using Fe/Pt spintronic emitters pumped at different wavelengths
ET Papaioannou, G Torosyan, S Keller… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Recent studies in spintronics (STs) have highlighted ultrathin magnetic metallic multilayers
as a novel and very promising class of broadband terahertz (THz) radiation sources. Such …
as a novel and very promising class of broadband terahertz (THz) radiation sources. Such …
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 …
generation of THz radiation based on spin-to-charge conversion in the layers. The key …
Optical damage limit of efficient spintronic THz emitters
THz pulses are generated from femtosecond pulse-excited ferromagnetic/nonmagnetic
spintronic heterostructures via inverse spin Hall effect. The highest possible THz signal …
spintronic heterostructures via inverse spin Hall effect. The highest possible THz signal …
Lack of correlation between the spin-mixing conductance and the inverse spin Hall effect generated voltages in CoFeB/Pt and CoFeB/Ta bilayers
A Conca, B Heinz, MR Schweizer, S Keller… - Physical Review B, 2017 - APS
We investigate spin pumping phenomena in polycrystalline CoFeB/Pt and CoFeB/Ta
bilayers and the correlation between the effective spin-mixing conductance g eff↑↓ and the …
bilayers and the correlation between the effective spin-mixing conductance g eff↑↓ and the …
Excitation and detection of coherent sub-terahertz magnons in ferromagnetic and antiferromagnetic heterostructures
Excitation of coherent high-frequency magnons (quanta of spin waves) is critical to the
development of high-speed magnonic devices. Here we computationally demonstrate the …
development of high-speed magnonic devices. Here we computationally demonstrate the …
High spin mixing conductance and spin interface transparency at the interface of a Co2Fe0.4Mn0.6Si Heusler alloy and Pt
Ferromagnetic materials exhibiting low magnetic damping (α) and moderately high-
saturation magnetization are required from the viewpoints of generation, transmission, and …
saturation magnetization are required from the viewpoints of generation, transmission, and …
Determination of the spin Hall angle in single-crystalline Pt films from spin pumping experiments
S Keller, L Mihalceanu, MR Schweizer… - New Journal of …, 2018 - iopscience.iop.org
We report on the determination of the spin Hall angle in ultra-clean, defect-reduced epitaxial
Pt films. By applying vector network analyzer ferromagnetic resonance spectroscopy to a …
Pt films. By applying vector network analyzer ferromagnetic resonance spectroscopy to a …
Large Spin Hall Angle and Spin-Mixing Conductance in the Highly Resistive Antiferromagnet
Antiferromagnetic materials (AFMs) have recently been attracting interest in research on
spintronics due to their zero stray magnetic field, high anisotropy, and spin-orbit coupling. In …
spintronics due to their zero stray magnetic field, high anisotropy, and spin-orbit coupling. In …