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

^*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

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.

Original language	English
Title of host publication	TMS 2021 150th Annual Meeting and Exhibition Supplemental Proceedings
Publisher	Springer Science and Business Media Deutschland GmbH
Pages	375-382
Number of pages	8
ISBN (Print)	9783030652609
DOIs	https://doi.org/10.1007/978-3-030-65261-6_34
State	Published - 2021
Event	150th Annual Meeting and Exhibition of The Minerals, Metals and Materials Society, TMS 2021 - Pittsburgh, United States Duration: 15 Mar 2021 → 18 Mar 2021

Publication series

Name	Minerals, Metals and Materials Series
Volume	5
ISSN (Print)	2367-1181
ISSN (Electronic)	2367-1696

Conference

Conference	150th Annual Meeting and Exhibition of The Minerals, Metals and Materials Society, TMS 2021
Country/Territory	United States
City	Pittsburgh
Period	15/03/21 → 18/03/21

Bibliographical note

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

Keywords

ITZO
In(TiZn)O(ZnO)
Layered crystal structure
Microstructure

Access to Document

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

Cite this

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. In 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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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.",

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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. in 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, United States, 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).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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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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SN - 9783030652609

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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. In 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