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Type: Artigo de evento
Title: Theoretical Calculation Of The Dispersion Relation For Polymeric Thin Films: Determination Of The Thermal Diffusivity Using Photothermal Microscopy
Author: De Freitas L.R.
Mansanares A.M.
Da Silva E.C.
Abstract: The dispersion relation for polymeric thin films was calculated by determining the thermal diffusivity. The use of photothermal technique in the determination of thermal diffusivity was described. A plot of the wave number versus frequency, obtained by modeling the thermal problem of the system, provided the dispersion relation. Derivation of an analytical expression based on low/high diffusivities was also described.
Rights: aberto
Identifier DOI: 10.1063/1.1518551
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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