Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/502
Title: Enhanced dielectric properties of highly (100)-oriented Ba(Zr,Ti)O₃ thin films grown on La[sub 0.7]Sr[sub 0.3]MnO₃ bottom layer
Authors: Tang, X
Liu, QX
Jiang, YP
Zheng, RK
Chan, HLW 
Keywords: Barium compounds
Dielectric thin films
Permittivity
Pulsed laser deposition
Crystallisation
Electrodes
Thin film capacitors
Crystal structure
Issue Date: 6-Dec-2006
Publisher: American Institute of Physics
Source: Journal of applied physics, 6 Dec. 2006, v. 100, 114105, p. 1-5 How to cite?
Journal: Journal of applied physics 
Abstract: Barium zirconate titanate Ba(Zr[sub 0.2]Ti[sub 0.8]O₃ (BZT) thin films on La[sub 0.7]Sr[sub 0.3]MnO₃ (LSMO)-coated Si and Pt/Ti/SiO₂/Si substrates have been prepared by pulsed laser deposition and crystallized in situ at 650 °C. Four capacitor types of LSMO/BZT/LSMO/Si, Pt/BZT/LSMO/Si, Pt/BZT/Pt/Si, and Pt/BZT/LSMO/Pt/Si were prepared to investigate the structural and dielectric properties, tunability, and figure of merits. Among them, the high (100)-oriented BZT films were grown on the (100)-textured LSMO and (111)-textured Pt electrodes. The results show that the LSMO/BZT/LSMO/Si has the highest dielectric constant of 555 and Pt/BZT/LSMO/Pt/Si has the highest tunability of 73% at 1 MHz. The high dielectric constant and tunability have been attributed to the (100) texture of the LSMO bottom layer leading to the decrease of the thickness of the interface of the dead layer.
URI: http://hdl.handle.net/10397/502
ISSN: 0021-8979
Rights: © 2006 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in X.G. Tang et al. J. Appl. Phys. 100, 114105 (2006) and may be found at http://link.aip.org/link/?jap/100/114105
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