Measuring complex dielectric permittivity of liquids at high temperatures

A challenge in scaling up microwave technology is the lack of temperature and pressure-dependent material properties and methods to measure them. Typical microwave vials cannot hold high pressure. In this paper published in Scientific Reports, Monte Baker-Fales introduced larger pressure- and temperature-capable vials to deduce temperature-dependent permittivity for liquid samples for vapor pressures up to 7 bar at 2.45 GHz. The method allows for rapid collection of large datasets.