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Photothermal Calorimetry: Simultaneous Measurements of Specific Heat and Thermal Conductivity

  • M. Marinelli
  • U. Zammit
  • R. Pizzoferrato
  • F. Scudieri
  • S. Martellucci
  • F. Mercuri
Part of the NATO ASI Series book series (NSSB, volume 290)

Abstract

The photothermal techniques are based on the periodic heating induced in an investigated sample by a modulated light source, the sample temperature oscillations being detected using various techniques, such as gas microphone1, piezoelectric2, photodeflection3 and photopyroelectric4. The photothermal signal, which is characterized by amplitude and phase, depends on the sample thermal as well as optical properties and may thus be used for thermal parameter measurements of the investigated sample.

Keywords

Critical Exponent Photoacoustic Signal Thermal Diffusion Length Photothermal Technique Liquid Crystal Phase Transition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • M. Marinelli
    • 1
  • U. Zammit
    • 1
  • R. Pizzoferrato
    • 1
  • F. Scudieri
    • 1
  • S. Martellucci
    • 1
  • F. Mercuri
    • 1
  1. 1.Dipartimento Ingegneria MeccanicaII Università di Roma “Tor Vergata”Italy

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