Structural, nanomechanical, and piezoelectric properties of lead-free orthorhombic and tetragonal K0.35Na 0.65Nb0.97Sb0.03O3 piezo-ceramics

J. E. Leal-Perez; J. Florez-Valenzuela; J. L. Almaral-Sanchez; M. Cortez-Valadez; A. Bórquez-Mendivil; R. Herrera-Basurto; O. Auciello; A. Hurtado-Macias

doi:10.1016/j.physb.2023.415341

Structural, nanomechanical, and piezoelectric properties of lead-free orthorhombic and tetragonal K_0.35Na _0.65Nb_0.97Sb_0.03O₃ piezo-ceramics

J. E. Leal-Perez, J. Florez-Valenzuela, J. L. Almaral-Sanchez, M. Cortez-Valadez, A. Bórquez-Mendivil, R. Herrera-Basurto, O. Auciello, A. Hurtado-Macias^*

^*Corresponding author for this work

Departamento de Investigación en Física

Research output: Contribution to journal › Article › peer-review

Abstract

Materials based on ferroelectric ceramics exhibit piezoelectric, electro-optical, acousto-optical, and nonlinear optical coefficient properties. The synthesis of the lead-free ceramic was carried out by mechanical grinding. This article aims to accurately determine the tetragonal and orthorhombic phases of a lead-free ferroelectric ceramic K_0.35Na_0.65Nb_0.97Sb_0.03O₃. As well as its structural analysis by Rietveld analysis, the chemical composition of the items contained VEELS and CEELS. The characteristic peak associated with perovskite structures is observed at 950 °C. Showing behavior different for each temperature, with an apparent orthorhombic structure at 950 °C and an apparent mixture of orthorhombic-tetragonal phases up to an apparent tetragonal dominant phase at 1200 °C. The mechanical and piezoelectric properties were evaluated using nanoindentation and SS-PFM, obtaining better ferroelastic and piezoelectric properties in the tetragonal phase than in the orthorhombic phase.

Original language	English
Article number	415341
Journal	Physica B: Condensed Matter
Volume	669
DOIs	https://doi.org/10.1016/j.physb.2023.415341
State	Published - 15 Nov 2023

Bibliographical note

Publisher Copyright:
© 2023 Elsevier B.V.

Keywords

EELS
Lead-free ferroelectric ceramic
Piezoelectricity
Rietveld analysis
Thermodiffraction analysis

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10.1016/j.physb.2023.415341

Cite this

Leal-Perez, J. E., Florez-Valenzuela, J., Almaral-Sanchez, J. L., Cortez-Valadez, M., Bórquez-Mendivil, A., Herrera-Basurto, R., Auciello, O., & Hurtado-Macias, A. (2023). Structural, nanomechanical, and piezoelectric properties of lead-free orthorhombic and tetragonal K_0.35Na _0.65Nb_0.97Sb_0.03O₃ piezo-ceramics. Physica B: Condensed Matter, 669, Article 415341. https://doi.org/10.1016/j.physb.2023.415341

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title = "Structural, nanomechanical, and piezoelectric properties of lead-free orthorhombic and tetragonal K0.35Na 0.65Nb0.97Sb0.03O3 piezo-ceramics",

abstract = "Materials based on ferroelectric ceramics exhibit piezoelectric, electro-optical, acousto-optical, and nonlinear optical coefficient properties. The synthesis of the lead-free ceramic was carried out by mechanical grinding. This article aims to accurately determine the tetragonal and orthorhombic phases of a lead-free ferroelectric ceramic K0.35Na0.65Nb0.97Sb0.03O3. As well as its structural analysis by Rietveld analysis, the chemical composition of the items contained VEELS and CEELS. The characteristic peak associated with perovskite structures is observed at 950 °C. Showing behavior different for each temperature, with an apparent orthorhombic structure at 950 °C and an apparent mixture of orthorhombic-tetragonal phases up to an apparent tetragonal dominant phase at 1200 °C. The mechanical and piezoelectric properties were evaluated using nanoindentation and SS-PFM, obtaining better ferroelastic and piezoelectric properties in the tetragonal phase than in the orthorhombic phase.",

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author = "Leal-Perez, {J. E.} and J. Florez-Valenzuela and Almaral-Sanchez, {J. L.} and M. Cortez-Valadez and A. B{\'o}rquez-Mendivil and R. Herrera-Basurto and O. Auciello and A. Hurtado-Macias",

note = "Publisher Copyright: {\textcopyright} 2023 Elsevier B.V.",

year = "2023",

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Leal-Perez, JE, Florez-Valenzuela, J, Almaral-Sanchez, JL, Cortez-Valadez, M, Bórquez-Mendivil, A, Herrera-Basurto, R, Auciello, O & Hurtado-Macias, A 2023, 'Structural, nanomechanical, and piezoelectric properties of lead-free orthorhombic and tetragonal K_0.35Na _0.65Nb_0.97Sb_0.03O₃ piezo-ceramics', Physica B: Condensed Matter, vol. 669, 415341. https://doi.org/10.1016/j.physb.2023.415341

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T1 - Structural, nanomechanical, and piezoelectric properties of lead-free orthorhombic and tetragonal K0.35Na 0.65Nb0.97Sb0.03O3 piezo-ceramics

AU - Leal-Perez, J. E.

AU - Florez-Valenzuela, J.

AU - Almaral-Sanchez, J. L.

AU - Cortez-Valadez, M.

AU - Bórquez-Mendivil, A.

AU - Herrera-Basurto, R.

AU - Auciello, O.

AU - Hurtado-Macias, A.

PY - 2023/11/15

Y1 - 2023/11/15

N2 - Materials based on ferroelectric ceramics exhibit piezoelectric, electro-optical, acousto-optical, and nonlinear optical coefficient properties. The synthesis of the lead-free ceramic was carried out by mechanical grinding. This article aims to accurately determine the tetragonal and orthorhombic phases of a lead-free ferroelectric ceramic K0.35Na0.65Nb0.97Sb0.03O3. As well as its structural analysis by Rietveld analysis, the chemical composition of the items contained VEELS and CEELS. The characteristic peak associated with perovskite structures is observed at 950 °C. Showing behavior different for each temperature, with an apparent orthorhombic structure at 950 °C and an apparent mixture of orthorhombic-tetragonal phases up to an apparent tetragonal dominant phase at 1200 °C. The mechanical and piezoelectric properties were evaluated using nanoindentation and SS-PFM, obtaining better ferroelastic and piezoelectric properties in the tetragonal phase than in the orthorhombic phase.

AB - Materials based on ferroelectric ceramics exhibit piezoelectric, electro-optical, acousto-optical, and nonlinear optical coefficient properties. The synthesis of the lead-free ceramic was carried out by mechanical grinding. This article aims to accurately determine the tetragonal and orthorhombic phases of a lead-free ferroelectric ceramic K0.35Na0.65Nb0.97Sb0.03O3. As well as its structural analysis by Rietveld analysis, the chemical composition of the items contained VEELS and CEELS. The characteristic peak associated with perovskite structures is observed at 950 °C. Showing behavior different for each temperature, with an apparent orthorhombic structure at 950 °C and an apparent mixture of orthorhombic-tetragonal phases up to an apparent tetragonal dominant phase at 1200 °C. The mechanical and piezoelectric properties were evaluated using nanoindentation and SS-PFM, obtaining better ferroelastic and piezoelectric properties in the tetragonal phase than in the orthorhombic phase.

KW - EELS

KW - Lead-free ferroelectric ceramic

KW - Piezoelectricity

KW - Rietveld analysis

KW - Thermodiffraction analysis

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