Our electrothermal immersion technique is a modification of the 3-omega technique that can be immersed in a high temperature fluid. This technique is currently under development (as of July 2020). This technique will be qualified by using known standards allowing for at most 10% variation from the accepted value. The technique methodology will be documented in a peer-reviewed publication.

Our modified photothermal technique is a modification on the flash diffusivity technique. This instrument was purchased from Netzsch (i.e. LFA 467 HT Hyperflash). Specifically, this technique has been modified to use infrared optics to correct for collimator/aperture effects that become pronounced at high temperatures.

To measure the volumetric specific heat of bulk samples, we will use a modified DSC/TGA purchased from Netzsch (STA 449 F3 Jupiter) with modification to the platinum furnace and sample holders specifically designed for more accurate specific heat measurements (and not phase transitions). The manufacturer’s specific heat uncertainty is claimed at 3.5%; this will be verified through testing known standards.