3 papers
cond-mat.mes-hall2026
When heat goes astray -- non-local heating in a semiconductor
Mahmoud Elhajhasan, Elena Trukhan, Katharina Dudde +8
Heating of semiconductor devices limits their performance and lifetime, which must be addressed by thermal management starting at the heat source. It is a common assumption that th…
physics.optics2025
Phonon Mean Free Path Spectroscopy By Raman Thermometry
Katharina Dudde, Mahmoud Elhajhasan, Guillaume Würsch +6
In this work, we exemplify on a bulk silicon sample that Raman thermometry is capable of phonon mean free path (PMFP) spectroscopy. Our experimental approach is similar to the vari…
physics.optics2024
Thermal analysis of GaN-based photonic membranes for optoelectronics
Wilken Seemann, Mahmoud Elhajhasan, Julian Themann +11
Semiconductor membranes find their widespread use in various research fields targeting medical, biological, environmental, and optical applications. Often such membranes derive the…