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cond-mat.mtrl-sci2025★ 1 cited
Ultrafast Terahertz Photoconductivity and Near-Field Imaging of Nanoscale Inhomogeneities in Multilayer Epitaxial Graphene Nanoribbons
Arvind Singh, Jan Kunc, Tinkara Troha +2
We study broadband terahertz (THz) conductivity and ultrafast photoconductivity spectra in lithographically fabricated multilayer epitaxial graphene nanoribbons grown on C- face of…
cond-mat.mes-hall2025★ 3 cited
Spin-to-charge-current conversion in altermagnetic candidate RuO probed by terahertz emission spectroscopy
J. Jechumtál, O. Gueckstock, K. Jasenský +19
Using the THz emission spectroscopy, we investigate ultrafast spin-to-charge current conversion in epitaxial thin films of the altermagnetic candidate RuO. We perform a quantit…
cond-mat.mes-hall2025
Dynamics of local photoconductivity in GaAs and InP investigated by THz SNOM
Tinkara Troha, Arvind Singh, Petr Kužel +1
Terahertz scanning near-field optical microscope (THz-SNOM) is employed to measure ultrafast evolution of THz conductivity spectra after photoexcitation of GaAs and InP wafers usin…