Effect of different starting materials on the synthesis of Ba0.8Ca0.2TiO3

P. N. MEDEIROS; V. D. ARAÚJO; A. P. A. MARQUES; R. L. TRANQUILIN; C. A. PASKOCIMAS; M. R. D. BOMIO; J. A. VARELA; E. LONGO; F. V. MOTTA

doi:10.1007/s40145-015-0134-4

Journal of Advanced Ceramics 2015, 4(1): 65-70 https://doi.org/10.1007/s40145-015-0134-4

Research Article |

Open Access | Issue | Published: 31 January 2015

Effect of different starting materials on the synthesis of Ba_0.8Ca_0.2TiO₃

Show Author's Information Hide Author's Information P. N. MEDEIROS^{^a}, V. D. ARAÚJO^{^b}, A. P. A. MARQUES^{^c}, R. L. TRANQUILIN^{^a}, C. A. PASKOCIMAS^{^a}, M. R. D. BOMIO^{^a}, J. A. VARELA^{^d}, E. LONGO^{^d}, F. V. MOTTA^{^a}(

)

^a DEMAT, CT, UFRN, Av. Sen. Salgado Filho, 3000, CEP 59072-970 Natal, RN, Brazil

^b UACSA, UFRPE, BR 101 Sul, 5225, CEP 54510-000 Cabo de Santo Agostinho, PE, Brazil

^c UNIFESP, Rua Prof. Artur Riedel, 275, CEP 09972-270 Diadema, SP, Brazil

^d LIEC, IQ, UNESP, Rua Francisco Degni s/n, CEP 14801-907 Araraquara, SP, Brazil

Keywords:

synthesis, ceramic, complex polymerization method (CPM), Ba_0.8Ca_0.2TiO₃ (BCT)

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MEDEIROS PN, ARAÚJO VD, MARQUES APA, et al. Effect of different starting materials on the synthesis of Ba_0.8Ca_0.2TiO₃. Journal of Advanced Ceramics, 2015, 4(1): 65-70. https://doi.org/10.1007/s40145-015-0134-4

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Abstract

Literature has reported the synthesis of barium calcium titanates by various synthesis methods such as solid state reaction, co-precipitation and polymer precursors. These compounds are usually obtained using calcium carbonate (CaCO₃), barium carbonate (BaCO₃) and titanium oxide as starting materials. This study investigated the effect of different starting reagents on the synthesis of Ba_0.8Ca_0.2TiO₃ (BCT) by complex polymerization method (CPM). Two sets of starting precursors were used: titanium citrate, CaCO₃ and BaCO₃, and titanium citrate and Ba_1-xCa_xCO₃ solid solution precursor. Samples were crystallized at a temperature range from 400 ℃ to 700 ℃ for different time. The obtained powders were characterized by X-ray diffraction (XRD), thermogravimetry (TG) and differential thermal analysis (DTA), and Raman and infrared spectroscopy. The infrared spectroscopy indicated that the chelation processes of Ba, Ca, Ti and CA ions are very similar. The results showed that the use of CaCO₃ and BaCO₃ or Ba_1-xCa_xCO₃ solid solution as precursors does not affect the final properties of BCT powders obtained by CPM.

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Effect of different starting materials on the synthesis of Ba_0.8Ca_0.2TiO₃

Show Author's information Hide Author's Information P. N. MEDEIROS^{^a}, V. D. ARAÚJO^{^b}, A. P. A. MARQUES^{^c}, R. L. TRANQUILIN^{^a}, C. A. PASKOCIMAS^{^a}, M. R. D. BOMIO^{^a}, J. A. VARELA^{^d}, E. LONGO^{^d}, F. V. MOTTA^{^a}(

)

^a DEMAT, CT, UFRN, Av. Sen. Salgado Filho, 3000, CEP 59072-970 Natal, RN, Brazil

^b UACSA, UFRPE, BR 101 Sul, 5225, CEP 54510-000 Cabo de Santo Agostinho, PE, Brazil

^c UNIFESP, Rua Prof. Artur Riedel, 275, CEP 09972-270 Diadema, SP, Brazil

^d LIEC, IQ, UNESP, Rua Francisco Degni s/n, CEP 14801-907 Araraquara, SP, Brazil

Abstract

Keywords: synthesis, ceramic, complex polymerization method (CPM), Ba_0.8Ca_0.2TiO₃ (BCT)

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Publication history

Received: 14 September 2014

Revised: 28 October 2014

Accepted: 29 October 2014

Published: 31 January 2015

Issue date: March 2015

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Acknowledgements

The authors thank the financial support of the Brazilian research financing institutions: CNPq, CAPES and FAPESP-CDMF 2013/07296-2.

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Open Access: This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.