3 papers
cond-mat.mes-hall2026
Direct Nanoscale Pyroelectric Characterization of a CuInPS van der Waals Nanogenerator
Valentin Fonck, Roop K. Mech, Mohammadali Razeghi +8
Pyroelectric energy conversion offers a route for harvesting time-dependent thermalfluctuations that are abundant in natural and technological environments. Twodimensional ferroele…
cond-mat.other2025
Characterization of heat transfer in 3D CMOS structures using Sideband Scanning Thermal Wave Microscopy
Valentin Fonck, Mohammadali Razeghi, Jean Spièce +5
Efficient thermal management is critical for cryogenic CMOS circuits, where local heating can compromise device performance and qubit coherence. Understanding heat flow at the nano…
cond-mat.mes-hall2024
Direct measurement of the local electrocaloric effect in 2D ferroelectric InSe by Scanning Electrocaloric Thermometry
Jean Spièce, Valentin Fonck, Charalambos Evangeli +3
The electrocaloric effect refers to the temperature change in a material when an electric field is applied or removed. Significant breakthroughs revealed its potential for solid-st…