Synthesis and characterization of bismuth alkaline titanate powders

A. M. Torres-Huerta, M. A. Domínguez-Crespo, M. A. Hernández-Pérez, D. S. García-Zaleta, S. B. Brachetti-Sibaja

Research output: Contribution to conferencePaper

Abstract

In this work, samples of bismuth alkaline titanate, (K0.5Na 0.5)(2-x/2)Bi(x/6)TiO3, (x = 0.05-0.75) have been prepared by conventional ceramic technique and molten salts. Metal oxides or carbonates powders were used as starting raw materials. The crystalline phase of the synthesized powders was identified by the X-ray diffraction (XRD) and particle morphology was characterized by scanning electron microscopy (SEM). Solid state reaction method was unsuccessful to obtain pellets. From XRD results, a rhombohedral structure was detected and the parameter lattice were estimated to be a = 5.5478 and α = 59.48°. These parameters were used to refine the structure by Rietveld analysis. SEM results showed several morphologies. Apparently, bismuth is promoting the grain growth whose sizes vary from 30 nm to 180 nm It is expected that these materials can be utilized in practical applications as substitutes for lead zirconatetitanate (PZT)-based ceramics. © 2011 Elsevier B.V. All rights reserved.
Original languageAmerican English
DOIs
StatePublished - 14 Jul 2011
EventJournal of Alloys and Compounds -
Duration: 25 Sep 2012 → …

Conference

ConferenceJournal of Alloys and Compounds
Period25/09/12 → …

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bismuth
ceramics
scanning electron microscopy
molten salts
synthesis
diffraction
pellets
metal oxides
lattice parameters
carbonates
x rays
substitutes
salts
solid state

Cite this

Torres-Huerta, A. M. ; Domínguez-Crespo, M. A. ; Hernández-Pérez, M. A. ; García-Zaleta, D. S. ; Brachetti-Sibaja, S. B. / Synthesis and characterization of bismuth alkaline titanate powders. Paper presented at Journal of Alloys and Compounds, .
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abstract = "In this work, samples of bismuth alkaline titanate, (K0.5Na 0.5)(2-x/2)Bi(x/6)TiO3, (x = 0.05-0.75) have been prepared by conventional ceramic technique and molten salts. Metal oxides or carbonates powders were used as starting raw materials. The crystalline phase of the synthesized powders was identified by the X-ray diffraction (XRD) and particle morphology was characterized by scanning electron microscopy (SEM). Solid state reaction method was unsuccessful to obtain pellets. From XRD results, a rhombohedral structure was detected and the parameter lattice were estimated to be a = 5.5478 and α = 59.48°. These parameters were used to refine the structure by Rietveld analysis. SEM results showed several morphologies. Apparently, bismuth is promoting the grain growth whose sizes vary from 30 nm to 180 nm It is expected that these materials can be utilized in practical applications as substitutes for lead zirconatetitanate (PZT)-based ceramics. {\circledC} 2011 Elsevier B.V. All rights reserved.",
author = "Torres-Huerta, {A. M.} and Dom{\'i}nguez-Crespo, {M. A.} and Hern{\'a}ndez-P{\'e}rez, {M. A.} and Garc{\'i}a-Zaleta, {D. S.} and Brachetti-Sibaja, {S. B.}",
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Synthesis and characterization of bismuth alkaline titanate powders. / Torres-Huerta, A. M.; Domínguez-Crespo, M. A.; Hernández-Pérez, M. A.; García-Zaleta, D. S.; Brachetti-Sibaja, S. B.

2011. Paper presented at Journal of Alloys and Compounds, .

Research output: Contribution to conferencePaper

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AU - Torres-Huerta, A. M.

AU - Domínguez-Crespo, M. A.

AU - Hernández-Pérez, M. A.

AU - García-Zaleta, D. S.

AU - Brachetti-Sibaja, S. B.

PY - 2011/7/14

Y1 - 2011/7/14

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AB - In this work, samples of bismuth alkaline titanate, (K0.5Na 0.5)(2-x/2)Bi(x/6)TiO3, (x = 0.05-0.75) have been prepared by conventional ceramic technique and molten salts. Metal oxides or carbonates powders were used as starting raw materials. The crystalline phase of the synthesized powders was identified by the X-ray diffraction (XRD) and particle morphology was characterized by scanning electron microscopy (SEM). Solid state reaction method was unsuccessful to obtain pellets. From XRD results, a rhombohedral structure was detected and the parameter lattice were estimated to be a = 5.5478 and α = 59.48°. These parameters were used to refine the structure by Rietveld analysis. SEM results showed several morphologies. Apparently, bismuth is promoting the grain growth whose sizes vary from 30 nm to 180 nm It is expected that these materials can be utilized in practical applications as substitutes for lead zirconatetitanate (PZT)-based ceramics. © 2011 Elsevier B.V. All rights reserved.

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