Layered composite thick films for dielectric applications
authors Vilarinho, PM; Mahajan, A; Sterianou, I; Reaney, IM
nationality International
journal JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
author keywords Films; Composites; Dielectric properties; Perovskites; Functional applications; BNT/BLT
keywords ELECTROPHORETIC DEPOSITION; BAO-LN(2)O(3)-TIO2 LN; CERAMICS; MICROSTRUCTURE; BALA4TI4O15; TECHNOLOGY
abstract Electrophoretic deposition has been successfully used for the preparation of multilayer composite thick films of the temperature stable microwave dielectric ceramics BaLa4Ti4O15 (BLT) (epsilon(r) = 44, Qf(0) = 44,000 GHz) and Ba4Nd9.33Ti18O54 (BNT) (epsilon(r) = 82, Qf(0) = 10,000 GHz). The composites exhibit permittivity intermediate between the end members that may be tuned by modifying the ratio between and/or thickness of each layer, thereby tailoring the films for specific applications. In demonstrating an alternative way to tailor functional properties, these results have broad implications for a large number of thick film-based devices. (C) 2012 Elsevier Ltd. All rights reserved.
publisher ELSEVIER SCI LTD
issn 0955-2219
year published 2012
volume 32
issue 16
beginning page 4319
ending page 4326
digital object identifier (doi) 10.1016/j.jeurceramsoc.2012.05.026
web of science category Materials Science, Ceramics
subject category Materials Science
unique article identifier WOS:000310392600041
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journal impact factor 4.495
5 year journal impact factor 4.283
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