A Capacitance-Based Methodology for the Estimation of Piezoelectric Coefficients of Poled Piezoelectric Materials | Zendy

Mahmoud Al Ahmad | Zendy; Husam N. Alshareef | Zendy

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A Capacitance-Based Methodology for the Estimation of Piezoelectric Coefficients of Poled Piezoelectric Materials

Author(s) -

Mahmoud Al Ahmad,

Husam N. Alshareef

Publication year - 2010

Publication title -

electrochemical and solid-state letters

Language(s) - English

Resource type - Journals

eISSN - 1944-8775

pISSN - 1099-0062

DOI - 10.1149/1.3494042

Subject(s) - piezoelectricity , capacitance , materials science , piezoelectric coefficient , value (mathematics) , simple (philosophy) , acoustics , composite material , mathematics , electrode , statistics , physics , philosophy , epistemology , quantum mechanics

A methodology is proposed to estimate the piezoelectric coefficients of bulk piezoelectric materials using simple capacitance measurements. The extracted values of d33 and d31 from the capacitance measurements were 506 pC/N and 247 pC/N, respectively. The d33 value is in agreement with that obtained from the Berlincourt method, which gave a d33 value of 500 pC/N. In addition, the d31 value is in agreement with the value obtained from the optical method, which gave a d 31 value of 223 pC/V. These results suggest that the proposed method is a viable way to quickly estimate piezoelectric coefficients of bulk unclamped samples. © 2010 The Electrochemical Society

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