Thermal diffusivity measurement in solids by means of the photoacoustic technique

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Abstract

We report thermal diffusivity measurements for samples of silicon, gallium arsenide and cupper by means of the photoacoustic technique in a heat transmission configuration in order to obtain a comparison between the results obtained with the use of the conventional RG-model and our SP-model (based in a square periodical heat source) in the fitting process to the experimental data. Our results show that our SP-model is accurate to obtain a good fitting with the experimental data and it improves notably the results obtained with the RG-model.

Original languageEnglish
Title of host publicationMaterials Characterization
Pages193-199
Number of pages7
StatePublished - 2010
Externally publishedYes
Event18th International Materials Research Congress 2009 - Cancun, Mexico
Duration: 16 Aug 200921 Aug 2009

Publication series

NameMaterials Research Society Symposium Proceedings
Volume1242
ISSN (Print)0272-9172

Conference

Conference18th International Materials Research Congress 2009
Country/TerritoryMexico
CityCancun
Period16/08/0921/08/09

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