Layered Ceramic Structures In1+x(Ti1/2Zn1/2)1-xO3(ZnO)m (m = 2, 4 and 6; x = 0.5): Synthesis, Phase Stability and Dielectric Properties

Victor Emmanuel Alvarez Montaño; Subhash Sharma; Francisco Brown; Alejandro Durán

doi:10.1007/978-3-030-65261-6_34

Layered Ceramic Structures In_1+x(Ti_1/2Zn_1/2)_1-xO₃(ZnO)_m (m = 2, 4 and 6; x = 0.5): Synthesis, Phase Stability and Dielectric Properties

Victor Emmanuel Alvarez Montaño^*, Subhash Sharma, Francisco Brown, Alejandro Durán

^*Autor correspondiente de este trabajo

Producción científica: Capítulo del libro/informe/acta de congreso › Contribución a la conferencia › revisión exhaustiva

Resumen

New ceramic materials with layered crystal structures and chemical formula In_1+x(Ti_1/2Zn_1/2)_1-xO₃(ZnO)_m (x = 0.5; m = 2, 4 and 6), here named ITZO-II, ITZO-IV and ITZO-VI, have been synthesized by solid-state reaction method. The phase characterization, phase stability with temperature and their microstructure have been studied by X-ray powder diffractometry (XRD) and scanning electron microscopy (SEM). The XRD showed a hexagonal single phase at 1200 °C whereas, at higher temperatures (1300 and 1400 °C), they decompose in secondary phases such as the In₂Zn₇O₁₀ solid solution and starting material traces. SEM micrographs showed an increase in grain size as the temperature of sintering increases, reducing the porosity and increasing the bulk density. Here, the dielectric spectra in a wide range of temperatures and frequencies are reported. The permittivity results seem to indicate a classical paraelectric behavior in this class of layered structural ceramic compounds.

Idioma original	Inglés
Título de la publicación alojada	TMS 2021 150th Annual Meeting and Exhibition Supplemental Proceedings
Editorial	Springer Science and Business Media Deutschland GmbH
Páginas	375-382
Número de páginas	8
ISBN (versión impresa)	9783030652609
DOI	https://doi.org/10.1007/978-3-030-65261-6_34
Estado	Publicada - 2021
Evento	150th Annual Meeting and Exhibition of The Minerals, Metals and Materials Society, TMS 2021 - Pittsburgh, Estados Unidos Duración: 15 mar. 2021 → 18 mar. 2021

Serie de la publicación

Nombre	Minerals, Metals and Materials Series
Volumen	5
ISSN (versión impresa)	2367-1181
ISSN (versión digital)	2367-1696

Conferencia

Conferencia	150th Annual Meeting and Exhibition of The Minerals, Metals and Materials Society, TMS 2021
País/Territorio	Estados Unidos
Ciudad	Pittsburgh
Período	15/03/21 → 18/03/21

Nota bibliográfica

Publisher Copyright:
© 2021, The Minerals, Metals & Materials Society.

Acceder al documento

10.1007/978-3-030-65261-6_34

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Alvarez Montaño, V. E., Sharma, S., Brown, F., & Durán, A. (2021). Layered Ceramic Structures In_1+x(Ti_1/2Zn_1/2)_1-xO₃(ZnO)_m (m = 2, 4 and 6; x = 0.5): Synthesis, Phase Stability and Dielectric Properties. En TMS 2021 150th Annual Meeting and Exhibition Supplemental Proceedings (pp. 375-382). (Minerals, Metals and Materials Series; Vol. 5). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-030-65261-6_34

Alvarez Montaño, Victor Emmanuel ; Sharma, Subhash ; Brown, Francisco et al. / Layered Ceramic Structures In_1+x(Ti_1/2Zn_1/2)_1-xO₃(ZnO)_m (m = 2, 4 and 6; x = 0.5) : Synthesis, Phase Stability and Dielectric Properties. TMS 2021 150th Annual Meeting and Exhibition Supplemental Proceedings. Springer Science and Business Media Deutschland GmbH, 2021. pp. 375-382 (Minerals, Metals and Materials Series).

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title = "Layered Ceramic Structures In1+x(Ti1/2Zn1/2)1-xO3(ZnO)m (m = 2, 4 and 6; x = 0.5): Synthesis, Phase Stability and Dielectric Properties",

abstract = "New ceramic materials with layered crystal structures and chemical formula In1+x(Ti1/2Zn1/2)1-xO3(ZnO)m (x = 0.5; m = 2, 4 and 6), here named ITZO-II, ITZO-IV and ITZO-VI, have been synthesized by solid-state reaction method. The phase characterization, phase stability with temperature and their microstructure have been studied by X-ray powder diffractometry (XRD) and scanning electron microscopy (SEM). The XRD showed a hexagonal single phase at 1200 °C whereas, at higher temperatures (1300 and 1400 °C), they decompose in secondary phases such as the In2Zn7O10 solid solution and starting material traces. SEM micrographs showed an increase in grain size as the temperature of sintering increases, reducing the porosity and increasing the bulk density. Here, the dielectric spectra in a wide range of temperatures and frequencies are reported. The permittivity results seem to indicate a classical paraelectric behavior in this class of layered structural ceramic compounds.",

keywords = "ITZO, In(TiZn)O(ZnO), Layered crystal structure, Microstructure",

author = "{Alvarez Monta{\~n}o}, {Victor Emmanuel} and Subhash Sharma and Francisco Brown and Alejandro Dur{\'a}n",

note = "Publisher Copyright: {\textcopyright} 2021, The Minerals, Metals & Materials Society.; 150th Annual Meeting and Exhibition of The Minerals, Metals and Materials Society, TMS 2021 ; Conference date: 15-03-2021 Through 18-03-2021",

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Alvarez Montaño, VE, Sharma, S, Brown, F & Durán, A 2021, Layered Ceramic Structures In_1+x(Ti_1/2Zn_1/2)_1-xO₃(ZnO)_m (m = 2, 4 and 6; x = 0.5): Synthesis, Phase Stability and Dielectric Properties. En TMS 2021 150th Annual Meeting and Exhibition Supplemental Proceedings. Minerals, Metals and Materials Series, vol. 5, Springer Science and Business Media Deutschland GmbH, pp. 375-382, 150th Annual Meeting and Exhibition of The Minerals, Metals and Materials Society, TMS 2021, Pittsburgh, Estados Unidos, 15/03/21. https://doi.org/10.1007/978-3-030-65261-6_34

Layered Ceramic Structures In_1+x(Ti_1/2Zn_1/2)_1-xO₃(ZnO)_m (m = 2, 4 and 6; x = 0.5): Synthesis, Phase Stability and Dielectric Properties. / Alvarez Montaño, Victor Emmanuel; Sharma, Subhash; Brown, Francisco et al.
TMS 2021 150th Annual Meeting and Exhibition Supplemental Proceedings. Springer Science and Business Media Deutschland GmbH, 2021. p. 375-382 (Minerals, Metals and Materials Series; Vol. 5).

Producción científica: Capítulo del libro/informe/acta de congreso › Contribución a la conferencia › revisión exhaustiva

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AU - Sharma, Subhash

AU - Brown, Francisco

AU - Durán, Alejandro

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N2 - New ceramic materials with layered crystal structures and chemical formula In1+x(Ti1/2Zn1/2)1-xO3(ZnO)m (x = 0.5; m = 2, 4 and 6), here named ITZO-II, ITZO-IV and ITZO-VI, have been synthesized by solid-state reaction method. The phase characterization, phase stability with temperature and their microstructure have been studied by X-ray powder diffractometry (XRD) and scanning electron microscopy (SEM). The XRD showed a hexagonal single phase at 1200 °C whereas, at higher temperatures (1300 and 1400 °C), they decompose in secondary phases such as the In2Zn7O10 solid solution and starting material traces. SEM micrographs showed an increase in grain size as the temperature of sintering increases, reducing the porosity and increasing the bulk density. Here, the dielectric spectra in a wide range of temperatures and frequencies are reported. The permittivity results seem to indicate a classical paraelectric behavior in this class of layered structural ceramic compounds.

AB - New ceramic materials with layered crystal structures and chemical formula In1+x(Ti1/2Zn1/2)1-xO3(ZnO)m (x = 0.5; m = 2, 4 and 6), here named ITZO-II, ITZO-IV and ITZO-VI, have been synthesized by solid-state reaction method. The phase characterization, phase stability with temperature and their microstructure have been studied by X-ray powder diffractometry (XRD) and scanning electron microscopy (SEM). The XRD showed a hexagonal single phase at 1200 °C whereas, at higher temperatures (1300 and 1400 °C), they decompose in secondary phases such as the In2Zn7O10 solid solution and starting material traces. SEM micrographs showed an increase in grain size as the temperature of sintering increases, reducing the porosity and increasing the bulk density. Here, the dielectric spectra in a wide range of temperatures and frequencies are reported. The permittivity results seem to indicate a classical paraelectric behavior in this class of layered structural ceramic compounds.

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BT - TMS 2021 150th Annual Meeting and Exhibition Supplemental Proceedings

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Alvarez Montaño VE, Sharma S, Brown F, Durán A. Layered Ceramic Structures In_1+x(Ti_1/2Zn_1/2)_1-xO₃(ZnO)_m (m = 2, 4 and 6; x = 0.5): Synthesis, Phase Stability and Dielectric Properties. En TMS 2021 150th Annual Meeting and Exhibition Supplemental Proceedings. Springer Science and Business Media Deutschland GmbH. 2021. p. 375-382. (Minerals, Metals and Materials Series). doi: 10.1007/978-3-030-65261-6_34