scholarly journals Characterization of Piezoelectric Property of Sol-Gel PZT Thin Films and Its Improvement by Poling

2004 ◽  
Vol 124 (4) ◽  
pp. 124-128 ◽  
Author(s):  
Kaoru Yamashita ◽  
Masanori Okuyama
Author(s):  
Daqun Bao ◽  
Yi Zhang ◽  
Hang Guo

This paper presents the growth and characterization of PZT thin films by using the sol-gel technology. In this paper, we study the influences of annealing process and different substrates on the orientation and crystalline quality of PZT thin films. The crystallographic structures are tested by using X-ray diffractometer (XRD), and the residual stresses of PZT thin films are obtained by calculation from a derived stress-strain equation in XRD analysis. Moreover, surface morphology and microstructure of the films are investigated by using AFM and SEM, and the polarization hysteresis of PZT thin films is measured by using a Sawyer Tower circuit. The results show that PZT thin films prepared by using the sol-gel method have good properties and can be used for developing PZT-based micro and nano devices.


2006 ◽  
Vol 3 (4) ◽  
pp. 209-215
Author(s):  
Z.M. Xiao ◽  
B.J. Chen ◽  
H. Fan

The paper describes the fabrication and characterization of two-dimensional resonant micromirror device actuated by sol-gel deposited PZT thin films. The actuation principle is based on the bimorph beam structure, which consists of an oxide layer and a piezoelectric PZT layer. The two-dimensional scanning performance can be achieved by applying AC voltages with phase shifts at resonance to the actuating beams. The devices are fabricated through thin film depositions, lithography, dry plasma etching and the ICP release process. For a micromirror structure with a 300μm ×300μm mirror plate, the first four resonance frequencies are measured to be in the range of 10–30 kHz. To investigate the vibration modes, the deflections on different locations of the mirror plate are measured. The two dimensional scanning angle is determined to be in one direction and 11° at 23.4 kHz in the perpendicular direction.


1999 ◽  
Vol 119 (4) ◽  
pp. 254-259 ◽  
Author(s):  
Zhan-jie Wang ◽  
Ryutaro Maeda ◽  
Kikuchi Kaoru

2005 ◽  
Vol 244 (1-4) ◽  
pp. 338-342 ◽  
Author(s):  
Daniel Franta ◽  
Ivan Ohlídal ◽  
Jan Mistrík ◽  
Tomuo Yamaguchi ◽  
Gu Jin Hu ◽  
...  

1999 ◽  
Vol 19 (6-7) ◽  
pp. 1387-1389 ◽  
Author(s):  
Bernd Matthes ◽  
Gerhard Tomandl ◽  
Günter Werner

1994 ◽  
Vol 361 ◽  
Author(s):  
Chang Jung Kim ◽  
Dae Sung Yoon ◽  
Joon Sung Lee ◽  
Chaun Gi Choi ◽  
Won Jong Lee ◽  
...  

ABSTRACTThe (100), (111) and randomly oriented PZT thin films were fabricated on Pt/Ti/Coming 7059 glass using sol-gel method. The thin films having different orientation were fabricated by different drying conditions for pyrolysis. The preferred orientations of the PZT thin films were observed using XRD, rocking curves, and pole figures. The microstructures were investigated using SEM. The hysteresis loops and capacitance-voltage characteristics of the films were investigated using a standardized ferroelectric test system. The dielectric constant and current-voltage characteristics of the films were investigated using an impedance analyzer and pA meter, respectively. The films oriented in a particular direction showed superior electrical characteristics to the randomly oriented films.


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