3 papers
cond-mat.mes-hall2025
Hallmarks of terahertz magnon currents in an antiferromagnetic insulator
Hongsong Qiu, Oliver Franke, Yuanzhe Tian +11
The efficient transport of spin angular momentum is expected to play a crucial role in future spintronic devices, which potentially operate at frequencies reaching the terahertz ra…
cond-mat.mtrl-sci2023
Antiferromagnetic magnonic charge current generation via ultrafast optical excitation
Lin Huang, Liyang Liao, Hongsong Qiu +9
Néel spin-orbit torque allows a charge current pulse to efficiently manipulate the Néel vector in antiferromagnets, which offers a unique opportunity for ultrahigh density informat…
cond-mat.mtrl-sci2023
Defect-induced helicity-dependent terahertz emission in Dirac semimetal PtTe2 thin films
Zhongqiang Chen, Hongsong Qiu, Xinjuan Cheng +18
Nonlinear transport enabled by symmetry breaking in quantum materials has aroused considerable interest in condensed matter physics and interdisciplinary electronics. However, the…