TY - GEN
T1 - Photoinduced Phase Change in SnSe Probed by Ultrafast Multi-THz Spectroscopy
AU - Dringoli, Benjamin J.
AU - Sutton, Mark
AU - Luo, Zhongzhen
AU - Kanatzidis, Mercouri
AU - Cooke, David G.
N1 - Publisher Copyright:
© 2022 IEEE.
PY - 2022
Y1 - 2022
N2 - We use time-resolved multi-terahertz spectroscopy to measure the transient reflectivity and extract the optical conductivity of SnSe after femtosecond optical excitation. Polaron-like photoconductivity features are observed. The change in conductivity spectra and dynamics are strongly dependent on excitation density. Thresholded behavior depending on pump fluence supports a non-thermal change of state after ultrafast excitation of the electronic subsystem.
AB - We use time-resolved multi-terahertz spectroscopy to measure the transient reflectivity and extract the optical conductivity of SnSe after femtosecond optical excitation. Polaron-like photoconductivity features are observed. The change in conductivity spectra and dynamics are strongly dependent on excitation density. Thresholded behavior depending on pump fluence supports a non-thermal change of state after ultrafast excitation of the electronic subsystem.
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U2 - 10.1109/IRMMW-THz50927.2022.9895536
DO - 10.1109/IRMMW-THz50927.2022.9895536
M3 - Conference contribution
AN - SCOPUS:85139871406
T3 - International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
BT - IRMMW-THz 2022 - 47th International Conference on Infrared, Millimeter and Terahertz Waves
PB - IEEE Computer Society
T2 - 47th International Conference on Infrared, Millimeter and Terahertz Waves, IRMMW-THz 2022
Y2 - 28 August 2022 through 2 September 2022
ER -