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http://dx.doi.org/10.6117/kmeps.2020.27.4.091

The 33-mode Dielectric and Piezoelectric Properties of PIN-PMN-PT Single Crystal under Stress and Electric Field  

Lim, Jae Gwang (Department of Electronic Engineering, Korea National University of Transportation)
Park, Jae Hwan (Department of Electronic Engineering, Korea National University of Transportation)
Lee, Jeongho (Ibule Photonics)
Lee, Sang Goo (Ibule Photonics)
Publication Information
Journal of the Microelectronics and Packaging Society / v.27, no.4, 2020 , pp. 91-96 More about this Journal
Abstract
The 33-mode dielectric and piezoelectric properties of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 piezoelectric single crystals were measured under large electric field and compressive stress. The phase transition from the low temperature rhombohedral to the high temperature tetragonal structure was observed in the range of 110~140℃, and the Curie temperature changing to the cubic structure was about 165℃. The polarization change according to the compressive stress and electric field was measured. Relative dielectric constant was calculated from the slope of the polarization curve applied to the electric field, and the calculated relative dielectric constant increased as the applied stress increased, and the relative dielectric constant decreased as the applied electric field increased. The strain according to the compressive stress and electric field change was measured, the piezoelectric constant was calculated from the slope of the curve, and the phase transition according to the application of pressure was confirmed. In the case of practical application as an underwater or medical ultrasonic actuator, it is necessary to properly design the magnitude of the compressive stress applied to the device and the DC bias in order to maintain linear driving.
Keywords
$Pb(Mg_{1/2}Nb_{1/2})O_3$; $PbTiO_3$; single crystal; large electric field; dielectric property; piezoelectric property;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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