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Title Lanthanum-Gallium Tantalate Crystals and their Electrophysical Characterization
Authors Kozlova, A.P.
Anfimov, N.S.
Kiselev, D.A.
Kozlova, I.M
Bykov, A.S.
Keywords Langatate
Polar dielectric crystal
Impedance
Short circuit current
Type Article
Date of Issue 2014
URI http://essuir.sumdu.edu.ua/handle/123456789/36280
Publisher Sumy State University
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Citation A.P. Kozlova, N.S. Kozlova, I.M. Anfimov, et al., J. Nano- Electron. Phys. 6 No 3, 03034 (2014)
Abstract Lanthanum-gallium tantalate single crystal (La3Ta0.5Ga5.5O14, langatate, LGT) is a perspective piezoe-lectric material as an active component of pressure sensors. An investigation of the growth conditions in-fluence (the growth atmosphere) on the electrophysical сharacterization of LGT, obtained in different at-mospheres (Ar, Ar + O2) was carried out. The frequency dependences of the relative dielectric constant (ε11/ε0) and of the admittance depend on the growth atmosphere. The langatate electrophysical сharacteri-zation in alternating electric fields were analyzed by means of the impedance spectr oscopy method. The behavior of short circuit currents in specimens of polar cuts of LGT single crystals with the same material electrodes without preliminary polarization is described. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/36280
Appears in Collections: Журнал нано- та електронної фізики (Journal of nano- and electronic physics)

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