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Communication dans un congrès Année : 2012

Young modulus and Poisson ratio of PZT thin film by Picosecond Ultrasonics

Résumé

Thin-film sol-gel Pb(Zr 0.52 , Ti 0.48 )O 3 (PZT) can be used in many actuator applications thanks to its high piezoelectric coefficients. The accurate knowledge of its mechanical properties such as Young modulus (E) and Poisson ratio (ν ν) or stiffness matrix is a key point for predictive design, whereas the state of the art reports E PZT ranging from 70 to 139GPa. Those parameters can be accurately characterized by Picosecond Ultrasonics (PU) as detailed in this paper.
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Dates et versions

hal-04038567, version 1 (21-03-2023)

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Paternité - CC BY 4.0

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F. Casset, A. Devos, S. Sadtler, A. Le Louarn, P. Emery, et al.. Young modulus and Poisson ratio of PZT thin film by Picosecond Ultrasonics. 2012 IEEE International Ultrasonics Symposium, Oct 2012, Dresden, Germany. pp.2180-2183, ⟨10.1109/ULTSYM.2012.0544⟩. ⟨hal-04038567⟩
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