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Optically gated terahertz-field-driven switching of antiferromagnetic CuMnAs
J. J. F. Heitz, L. Nádvorník, V. Balos +11
We show scalable and complete suppression of the recently reported terahertz-pulse-induced switching between different resistance states of antiferromagnetic CuMnAs thin films by u…
Magneto-Seebeck microscopy of domain switching in collinear antiferromagnet CuMnAs
Tomas Janda, Joao Godinho, Tomas Ostatnicky +23
Antiferromagnets offer spintronic device characteristics unparalleled in ferromagnets owing to their lack of stray fields, THz spin dynamics, and rich materials landscape. Microsco…
Ultrafast strain-induced charge transport in semiconductor superlattices
F. Wang, C. L. Poyser, M. T. Greenaway +5
We investigate the effect of hypersonic (> 1 GHz) acoustic phonon wavepackets on electron transport in a semiconductor superlattice. Our quantum mechanical simulations demonstrate…
THz electrical writing speed in an antiferromagnetic memory
K. Olejnik, T. Seifert, Z. Kaspar +11
The speed of writing of state-of-the-art ferromagnetic memories is physically limited by an intrinsic GHz threshold. Recently, an alternative research direction has been initiated…