Generation of intense terahertz waves with a magnetic material

https://phys.org/news/2024-06-generation-intense-terahertz-magnetic-material.html

"THz intensity about 4X higher than typical magnets, although less intense than emitted by THz spin-excitation... efficient, compact, sturdy, cost-effective emitter... single-crystal thin-film Weyl magnets made from cobalt–manganese–gallium Heusler alloy generate huge anomalous Hall effect, generating enhanced photo-induced THz... interplay of light and spin in Weyl magnets... simple structure, no expensive heavy metals (platinum)... imaging, medical diagnostics, security inspection, biotechnology, spintronic devices"