|
authors |
Salak, AN; Seabra, MP; Ferreira, VM |
|
nationality |
International |
|
journal |
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY |
|
author keywords |
dielectric properties; perovskites; resonator; sintering |
|
keywords |
COMPLEX PEROVSKITES; CRYSTAL-STRUCTURE; SYSTEM |
|
abstract |
Structure and microwave dielectric properties were studied in the (1-x)La(Mg1/2Ti1/2)O-3-xLa(2/3)TiO(3) system. Ceramics with this composition in the 0less than or equal toxless than or equal to0.5 range were processed from powders obtained by a citrate-based chemical route. Structure of these perovskite solid solutions changed from orthorhombic for x=0.1 and 0.3 to pseudocubic for x=0.5. Microwave and radio frequency measurements revealed increase in permittivity and temperature coefficient of the resonant frequency tau(f) with increasing of La2/3TiO3 content. Close to zero tau(f) value was found near to x-0.5 composition of (1-x)La(Mg1/2Ti1/2)O-3-xLa(2/3)TiO(3). (C) 2003 Elsevier Ltd. All rights reserved. |
|
publisher |
ELSEVIER SCI LTD |
|
issn |
0955-2219 |
|
year published |
2003 |
|
volume |
23 |
|
issue |
14 |
|
beginning page |
2409 |
|
ending page |
2412 |
|
digital object identifier (doi) |
10.1016/S0955-2219(03)00130-4 |
|
web of science category |
Materials Science, Ceramics |
|
subject category |
Materials Science |
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unique article identifier |
WOS:000185152600009
|
