Acta Marisiensis.
Seria Technologica
ISSN 2668-4217
ISSN-L 2668-4217
(Online)
English
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Volum 20 (XXXVII), nr 2
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Volum 19 (XXXVI), nr 1
Volum 19 (XXXVI), nr 2
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Volum 18 (XXXV), nr 1
Volum 18 (XXXV), nr 2
Anul 2020
Volum 17 (XXXIV), nr 1
Volum 17 (XXXIV), nr 2
Anul 2019
Volum 16 (XXXIII), nr 1
Volum 16 (XXXIII), nr 2
Anul 2018
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Volum 15 (XXXII), nr 2
Anul 2017
Volum 14 (XXXI), nr 1
Volum 14 (XXXI), nr 2
Anul 2016
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Volum 13 (XXX), nr 2
Anul 2015
Volum 12 (XXIX), nr 1
Volum 12 (XXIX), nr 2
Anul 2014
Volum 11 (XXVIII), nr 1
Volum 11 (XXVIII), nr 2
Anul 2013
Volum 10 (XXVII), nr 1
Volum 10 (XXVII), nr 2
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Volum 9 (XXVI), nr 1
Volum 9 (XXVI), nr 2
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Volum 8 (XXV), nr 1
Volum 8 (XXV), nr 2
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2022, Volume 19 (XXXVI), no 1
Obtaining and Characterizing the Pb(Mg1/3Nb2/3)O3 – Ln(Mg1/2Ti1/2)O3 Doped System
Alina Iulia DUMITRU, National Institute for Research & Development in Electrical Engineering ICPE-CA, Bucharest, Romania / University of Valahia, Targoviste, Romania
Abstract:
The Pb(Mg1/3Nb2/3)O3 - based ceramic system was obtained by using a modified variant of the conventional ceramic method in order to get pyrochlore-free compositions. Solid solutions obtained from Pb(Mg1/3Nb2/3)O3 and Ln(Mg1/2Ti1/2)O3 with Ln = Y3+, La3+, Pr3+, Nd3+ and Sm3+, were synthesized using a 3-step columbite precursor method and appropriate milling and sintering conditions. The structural phases of all sintered compositions were investigated in detail. The X-ray diffraction results demonstrate that all the samples possess a perovskite structure. The influence of dopant on the incorporation degree in the solid solutions was studied. The dielectric constants at three frequencies were measured and the influence of the dopant on these values was discussed.
DOI: https://doi.org/10.2478/amset-2022-0003
Pages: 13-16
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