Summary
Interferometric thermal diffusivity measurements and elastic constants obtained by ultrasonic techniques on Y3Fe5_ϰAlϰO12 (with ϰ 4 0, 0.4, 0.8, 1.1) ceramic samples are presented and discussed. The phonon mean free path is given as a function of ϰ using the Boltzmann transport equation.
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In honour of Prof. Gianfranco Chiarotti on the occasion of his 70th birthday.
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Sparvieri, N. Thermoelastic properties ofAl: YIG ceramic systems. Nouv Cim D 20, 1239–1247 (1998). https://doi.org/10.1007/BF03185535
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DOI: https://doi.org/10.1007/BF03185535