Terahertz emission from epitaxial RuO2/permalloy bilayers is explained by the inverse spin Hall effect and anisotropic conductivity, with no contribution from the inverse altermagnetic spin-splitting effect, indicating that these RuO2 films are not altermagnetic.
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Revisiting altermagnetism in RuO2: a study of laser-pulse induced charge dynamics by time-domain terahertz spectroscopy
Terahertz emission from epitaxial RuO2/permalloy bilayers is explained by the inverse spin Hall effect and anisotropic conductivity, with no contribution from the inverse altermagnetic spin-splitting effect, indicating that these RuO2 films are not altermagnetic.