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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/23602

Title: Preparation and Characterization of Mn-doped BaTiO3 Thin Films by Magnetron Sputtering
Authors: J. P. Chu;T. Mahalingam;C. F. Liu;S. F. Wang
Contributors: NTOU:Institute of Materials Engineering
國立臺灣海洋大學:材料工程研究所
Date: 2007-01-01
Issue Date: 2011-10-20T08:06:44Z
Publisher: Journal of Materials Science
Abstract: Abstract:Barium titanate (BaTiO3) thin films doped with Mn (0.1–1.0 at%) were prepared by r.f. magnetron sputtering technique. Oxygen/argon (O2/Ar) gas ratio is found to influence the sputtering rate of the films. The effects of Mn doping on the structural, microstructural and electrical properties of BaTiO3 thin films are studied. Mn-doped thin films annealed at high temperatures (700 °C) exhibited cubic perovskite structure. Mn doping is found to reduce the crystallization temperature and inhibit the grain growth in barium titanate thin films. The dielectric constant increases with Mn content and the dielectric loss (tan δ) reveals a minimum value of 0.0054 for 0.5% Mn-doped BaTiO3 films measured at 1 MHz. The leakage current density decreases with Mn doping and is 10−11 A/cm−2 at 6 kV/cm for 1% Mn-doped thin films.
Relation: 42(1), pp.346-351
URI: http://ntour.ntou.edu.tw/handle/987654321/23602
Appears in Collections:[材料工程研究所] 期刊論文

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