4 papers
Quantum Heat Under the Microscope: A Perspective on Cryogenic Scanning Thermal Microscopy
Valentin Fonck, Jean Spiece, Pascal Gehring
Exploring thermal transport at cryogenic temperatures presents both significant challenges and valuable insights. By uncovering the thermal counterpart of well-known quantum phenom…
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…
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…
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…