Authors:
C. SantosUniversidade Federal da Paraíba LACOM, Departamento de Química/CCEN Campus I CEP 58059-900 João Pessoa PB Brazil

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B. CapistranoUniversidade Federal da Paraíba LACOM, Departamento de Química/CCEN Campus I CEP 58059-900 João Pessoa PB Brazil

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F. VieiraUniversidade Federal da Paraíba LACOM, Departamento de Química/CCEN Campus I CEP 58059-900 João Pessoa PB Brazil

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M. SantosUniversidade Federal da Paraíba LACOM, Departamento de Química/CCEN Campus I CEP 58059-900 João Pessoa PB Brazil

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S. LimaUniversidade Federal da Paraíba LSR, Departamento de Engenharia Mecânica/CT Campus I João Pessoa PB Brazil

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E. LongoUNESP CMDMC—LIEC, Instituto de Química Araraquara SP Brazil

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C. PaskocimasUniversidade Federal do Rio Grande do Norte Departamento de Engenharia Mecânica/CT Natal RN Brazil

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A. SouzaUniversidade Federal da Paraíba LACOM, Departamento de Química/CCEN Campus I CEP 58059-900 João Pessoa PB Brazil

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L. SoledadeUniversidade Federal da Paraíba LACOM, Departamento de Química/CCEN Campus I CEP 58059-900 João Pessoa PB Brazil

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I. SantosUniversidade Federal da Paraíba LACOM, Departamento de Química/CCEN Campus I CEP 58059-900 João Pessoa PB Brazil

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Abstract  

In this work, spinels with the general formula Zn2−xCoxTiO4 were synthesized by the polymeric precursor method and thermally treated at 1,000 °C. The powder precursors were characterized by TG/DTA. A decrease in the DTA peak temperature with the amount of zinc was observed. After the thermal treatment, the characterizations were performed by XRD, IR, colorimetry and UV/VIS spectroscopy. The XRD patterns of all the samples showed the presence of the spinel phase. Infrared spectroscopy showed the presence of ester complexes for Zn2TiO4 after thermal treatment at 500 °C, which disappeared after cobalt addition, indicating that organic material elimination was favored.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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