TY - JOUR
T1 - Implication of the double-gating mode in a hybrid photon counting detector for measurements of transient heat conduction in GaAs/AlAs superlattice structures
AU - Naumenko, Denys
AU - Burian, Max
AU - Marmiroli, Benedetta
AU - Haider, Richard
AU - Radeticchio, Andrea
AU - Wagner, Lucas
AU - Piazza, Luca
AU - Glatt, Lisa
AU - Brandstetter, Stefan
AU - Dal Zilio, Simone
AU - Biasiol, Giorgio
AU - Amenitsch, Heinz
N1 - Publisher Copyright:
© 2023 International Union of Crystallography. All rights reserved.
PY - 2023/6/16
Y1 - 2023/6/16
N2 - Understanding and control of thermal transport in solids at the nanoscale are crucial in engineering and enhance the properties of a new generation of optoelectronic, thermoelectric and photonic devices. In this regard, semiconductor superlattice structures provide a unique platform to study phenomena associated with phonon propagations in solids such as heat conduction. Transient X-ray diffraction can directly probe atomic motions and therefore is among the rare techniques sensitive to phonon dynamics in condensed matter. Here, optically induced transient heat conduction in GaAs/AlAs superlattice structures is studied using the EIGER2 detector. Benchmark experiments have been performed at the Austrian SAXS beamline at Elettra-Sincrotrone Trieste operated in the hybrid filling mode. This work demonstrates that drifts of experimental conditions, such as synchrotron beam fluctuations, become less essential when utilizing the EIGER2 double-gating mode which results in a faster acquisition of high-quality data and facilitates data analysis and data interpretation.
AB - Understanding and control of thermal transport in solids at the nanoscale are crucial in engineering and enhance the properties of a new generation of optoelectronic, thermoelectric and photonic devices. In this regard, semiconductor superlattice structures provide a unique platform to study phenomena associated with phonon propagations in solids such as heat conduction. Transient X-ray diffraction can directly probe atomic motions and therefore is among the rare techniques sensitive to phonon dynamics in condensed matter. Here, optically induced transient heat conduction in GaAs/AlAs superlattice structures is studied using the EIGER2 detector. Benchmark experiments have been performed at the Austrian SAXS beamline at Elettra-Sincrotrone Trieste operated in the hybrid filling mode. This work demonstrates that drifts of experimental conditions, such as synchrotron beam fluctuations, become less essential when utilizing the EIGER2 double-gating mode which results in a faster acquisition of high-quality data and facilitates data analysis and data interpretation.
KW - GaAs/AlAs superlattices
KW - hybrid photon counting detectors
KW - non-Fourier heat transport
KW - pump-probe X-ray diffraction
UR - http://www.scopus.com/inward/record.url?scp=85168114195&partnerID=8YFLogxK
U2 - 10.1107/S1600576723004302
DO - 10.1107/S1600576723004302
M3 - Article
AN - SCOPUS:85168114195
SN - 0021-8898
VL - 56
SP - 961
EP - 966
JO - Journal of Applied Crystallography
JF - Journal of Applied Crystallography
ER -