Spectroscopic study and morphology of vanadate glasses and wollastonite-2m

I. V. García-Amaya; Francisco Abraham Paz Moreno; J. Alvarado-Rivera; M. C. Acosta-Enríquez; Ma E. Zayas; R. Gámez-Corrales; M. B. Manzanares-Martínez; V. E. Álvarez-Montaño; R. Lozada

Spectroscopic study and morphology of vanadate glasses and wollastonite-2m

Título traducido de la contribución: Estudio espectroscópico y morfología de vidrios de vanadato y wollastonita-2m

I. V. García-Amaya, Francisco Abraham Paz Moreno, J. Alvarado-Rivera, M. C. Acosta-Enríquez, Ma E. Zayas^*, R. Gámez-Corrales, M. B. Manzanares-Martínez, V. E. Álvarez-Montaño, R. Lozada

^*Autor correspondiente de este trabajo

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

Resumen

Wollastonite from Encarnación Villa Juárez deposit located in Hidalgo, Mexico was used as raw material to fabricate glass using V2O5as former oxide. Powder fusion at 1350°C was carried out for glass fabrication. The obtained glasses were of amber, gray and black color; the most transparent glasses are those with a composition of 60 to 65[%] wt. of V2O5and 40 to 35 [%] wt. of wollastonite. XRD patterns of the samples show the presence of wollastonite-2M and the VO2orthorhombic crystalline phase. FT-IR and Raman spectroscopies revealed the formation of metavanadates and pirovanadates groups. In addition, drop of phase separation caused by liquid-liquid immiscibility was observed by scanning electron microscopy imaging. XPS analysis was carried out to analyze vanadium oxidation state and bonding and non-bonding oxygen estimation. The curve fitting of the high resolution spectra of the V 2p3/2peak showed the presence of V4+and V5+vanadium oxidation states for all glasses.

Título traducido de la contribución	Estudio espectroscópico y morfología de vidrios de vanadato y wollastonita-2m
Idioma original	Inglés
Páginas (desde-hasta)	116-122
Número de páginas	7
Publicación	Superficies y Vacio
Volumen	27
N.º	4
Estado	Publicada - 1 dic. 2014

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©Sociedad Mexicana de Ciencia y Tecnología de Superficies y Materiales.

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title = "Spectroscopic study and morphology of vanadate glasses and wollastonite-2m",

abstract = "Wollastonite from Encarnaci{\'o}n Villa Ju{\'a}rez deposit located in Hidalgo, Mexico was used as raw material to fabricate glass using V2O5as former oxide. Powder fusion at 1350°C was carried out for glass fabrication. The obtained glasses were of amber, gray and black color; the most transparent glasses are those with a composition of 60 to 65[%] wt. of V2O5and 40 to 35 [%] wt. of wollastonite. XRD patterns of the samples show the presence of wollastonite-2M and the VO2orthorhombic crystalline phase. FT-IR and Raman spectroscopies revealed the formation of metavanadates and pirovanadates groups. In addition, drop of phase separation caused by liquid-liquid immiscibility was observed by scanning electron microscopy imaging. XPS analysis was carried out to analyze vanadium oxidation state and bonding and non-bonding oxygen estimation. The curve fitting of the high resolution spectra of the V 2p3/2peak showed the presence of V4+and V5+vanadium oxidation states for all glasses.",

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AU - García-Amaya, I. V.

AU - Paz Moreno, Francisco Abraham

AU - Alvarado-Rivera, J.

AU - Acosta-Enríquez, M. C.

AU - Zayas, Ma E.

AU - Gámez-Corrales, R.

AU - Manzanares-Martínez, M. B.

AU - Álvarez-Montaño, V. E.

AU - Lozada, R.

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N2 - Wollastonite from Encarnación Villa Juárez deposit located in Hidalgo, Mexico was used as raw material to fabricate glass using V2O5as former oxide. Powder fusion at 1350°C was carried out for glass fabrication. The obtained glasses were of amber, gray and black color; the most transparent glasses are those with a composition of 60 to 65[%] wt. of V2O5and 40 to 35 [%] wt. of wollastonite. XRD patterns of the samples show the presence of wollastonite-2M and the VO2orthorhombic crystalline phase. FT-IR and Raman spectroscopies revealed the formation of metavanadates and pirovanadates groups. In addition, drop of phase separation caused by liquid-liquid immiscibility was observed by scanning electron microscopy imaging. XPS analysis was carried out to analyze vanadium oxidation state and bonding and non-bonding oxygen estimation. The curve fitting of the high resolution spectra of the V 2p3/2peak showed the presence of V4+and V5+vanadium oxidation states for all glasses.

AB - Wollastonite from Encarnación Villa Juárez deposit located in Hidalgo, Mexico was used as raw material to fabricate glass using V2O5as former oxide. Powder fusion at 1350°C was carried out for glass fabrication. The obtained glasses were of amber, gray and black color; the most transparent glasses are those with a composition of 60 to 65[%] wt. of V2O5and 40 to 35 [%] wt. of wollastonite. XRD patterns of the samples show the presence of wollastonite-2M and the VO2orthorhombic crystalline phase. FT-IR and Raman spectroscopies revealed the formation of metavanadates and pirovanadates groups. In addition, drop of phase separation caused by liquid-liquid immiscibility was observed by scanning electron microscopy imaging. XPS analysis was carried out to analyze vanadium oxidation state and bonding and non-bonding oxygen estimation. The curve fitting of the high resolution spectra of the V 2p3/2peak showed the presence of V4+and V5+vanadium oxidation states for all glasses.

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JO - Superficies y Vacio

JF - Superficies y Vacio

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Spectroscopic study and morphology of vanadate glasses and wollastonite-2m

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