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Article

XPS Study on Calcining Mixtures of Brucite with Titania

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Facultad de Ingeniería Mecánica y Eléctrica (FIME), Universidad Autónoma de Nuevo León (UANL), San Nicolás de los Garza 66450, Mexico
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Faculty of Engineering, University of Veracruz, Coatzacoalcos 96535, Mexico
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Departamento de Ciencia de los Materiales e Ingeniería Metalúrgica, Escuela de Minas, Energía y Materiales, Universidad de Oviedo, 33004 Oviedo, Asturias, Spain
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CONACYT-Centro de Investigación Científica y de Educación Superior de Ensenada B.C. (CICESE), Unidad Monterrey, Apodaca 66629, Mexico
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Centro de Investigación en Nanomateriales y Nanotecnología (CINN), Consejo Superior de Investigaciones Científicas (CSIC), Universidad de Oviedo (UO), Principado de Asturias (PA), Avda. de la Vega, 4–6, 33940 San Martín del Rey Aurelio, Asturias, Spain
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Author to whom correspondence should be addressed.
Academic Editor: Thomas Niendorf
Materials 2022, 15(9), 3117; https://doi.org/10.3390/ma15093117
Received: 4 April 2022 / Revised: 21 April 2022 / Accepted: 22 April 2022 / Published: 26 April 2022
(This article belongs to the Special Issue Advances in Fine and Structural Ceramics for High-Tech Applications)
In this work, we studied the phases in a Mg-Ti-O system using a 1:1 formulation of MgO:TiO2, mixing synthetic brucite of Mexican origin with TiO2 microparticles of high purity, with a heat treatment at 1100 °C for 1 h. Due to its valence electrons, TiO2 can contribute to the sintering process to improve density in MgO products. The raw materials and formulation by XPS and X-RD techniques were characterized. The results demonstrate the presence of different oxidation states in titania and the formation of different oxides in the Mg-Ti-O system when mixed and calcined at 1100 °C; additionally, we estimated the formation of vacancies in the crystal lattice during the transformation from hexagonal brucite to magnesia with a cubic structure centered on the faces. Its thermal behavior is indicated by the MgO-TiO2 phase diagram. View Full-Text
Keywords: brucite; magnesia; titania; Mg(OH)2; MgO; TiO2; XPS; X-RD; refractories; ceramics brucite; magnesia; titania; Mg(OH)2; MgO; TiO2; XPS; X-RD; refractories; ceramics
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MDPI and ACS Style

Sánchez-Zambrano, K.S.; Hernández-Reséndiz, M.; Gómez-Rodríguez, C.; García-Quiñonez, L.V.; Aguilar-Martínez, J.A.; Rodríguez-Castellanos, E.A.; Verdeja, L.F.; Fernández-González, D.; Castillo-Rodríguez, G.A. XPS Study on Calcining Mixtures of Brucite with Titania. Materials 2022, 15, 3117. https://doi.org/10.3390/ma15093117

AMA Style

Sánchez-Zambrano KS, Hernández-Reséndiz M, Gómez-Rodríguez C, García-Quiñonez LV, Aguilar-Martínez JA, Rodríguez-Castellanos EA, Verdeja LF, Fernández-González D, Castillo-Rodríguez GA. XPS Study on Calcining Mixtures of Brucite with Titania. Materials. 2022; 15(9):3117. https://doi.org/10.3390/ma15093117

Chicago/Turabian Style

Sánchez-Zambrano, Karla S., Marina Hernández-Reséndiz, Cristian Gómez-Rodríguez, Linda V. García-Quiñonez, Josué A. Aguilar-Martínez, Edén A. Rodríguez-Castellanos, Luis F. Verdeja, Daniel Fernández-González, and Guadalupe A. Castillo-Rodríguez. 2022. "XPS Study on Calcining Mixtures of Brucite with Titania" Materials 15, no. 9: 3117. https://doi.org/10.3390/ma15093117

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