High-resolution simultaneous photothermal measurements of thermal parameters at a phase transition with the photopyroelectric technique
- 1 August 1992
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 72 (3) , 1096-1100
- https://doi.org/10.1063/1.351785
Abstract
Photothermal techniques allow, under particular experimental conditions, the simultaneous determination of specific heat, thermal conductivity, and thermal diffusivity. A comparison has been made between measurements performed with the gas-microphone (P) configuration and the photopyroelectric (PPE) one at a liquid-crystal second-order phase transition. An increase in the sensitivity with respect to thermal parameter variation has been observed in the case of PPE.This publication has 9 references indexed in Scilit:
- The influence of the coupling fluids and of the pyroelectric transducer on low-temperature photopyroelectric studiesApplied Physics A, 1991
- Simultaneous determination of specific heat, thermal conductivity and thermal diffusivity at low temperature via the photopyroelectric techniqueApplied Physics A, 1990
- On the photopyroelectric detection of phase transitionsApplied Physics A, 1990
- Thermal conductivity, diffusivity, and heat-capacity studies at the smectic-A–nematic transition in alkylcyanobiphenyl liquid crystalsPhysical Review A, 1990
- Photoacoustics as a technique for simultaneous measurement of thermal conductivity and heat capacityJournal of Physics E: Scientific Instruments, 1988
- Pyroelectric calorimeter for photothermal studies of thin films and adsorbatesJournal of Vacuum Science & Technology A, 1987
- Heat Pulse Method for Determination of Thermal Diffusivity of Liquid CrystalsJapanese Journal of Applied Physics, 1987
- Theory of photopyroelectric spectroscopy of solidsJournal of Applied Physics, 1985
- Critical exponents from field theoryPhysical Review B, 1980