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dc.contributor.author
Yasno Gaviria, Juan Pablo
dc.contributor.author
Conconi, Susana
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Suarez, Gustavo
dc.date.available
2024-03-21T12:38:47Z
dc.date.issued
2022-03
dc.identifier.citation
Yasno Gaviria, Juan Pablo; Conconi, Susana; Suarez, Gustavo; Characterization and optical properties of m-Li2ZrO3 prepared by optimized solid-state reaction; Elsevier Science; Advanced Powder Technology; 33; 3; 3-2022; 1-7
dc.identifier.issn
0921-8831
dc.identifier.uri
http://hdl.handle.net/11336/231123
dc.description.abstract
m-Li2ZrO3 powders were successfully prepared by solid-state reaction method using Li2CO3 and ZrO2 as raw materials. The synthesis was optimized by varying the ball-milling time (0?96 h); Li2CO3 excess (0 or 5 wt%), reaction temperature (700, 800, 900 or 1000 C), and reaction time (3, 6, 9 or 12 h). The structural, morphological and optical properties of m-Li2ZrO3 powders were examined by X-Ray Diffraction, Thermogravimetric and Differential-Thermal analysis, Scanning Electron Microscopy, High-Resolution Transmission Electron Microscopy, Laser Diffraction, Dynamic Light Scattering and UV?Vis Diffuse Reflectance Spectroscopy. The results show that precursors suitable for the synthesis of fine powders require ball-milling times longer than or equal to 6 h. Highly crystalline m-Li2ZrO3 was synthesized under two distinctive calcination conditions as follows: 900 C/6h without Li2CO3 excess or 1000 C/12 h using 5 wt% of Li2CO3 excess. Particle size of as-synthesized powders was found to be in the range from 200 nm to 1 mm. m-Li2ZrO3 was found to be a wide band gap material with apparent optical band gap of 5.5 eV (direct) and 5.1 eV (indirect), which can be used in UV-C applications.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Elsevier Science
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
m-Li2ZrO3
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Solid-state reaction
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XRD
dc.subject
HRTEM
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Optical band gap
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Cerámicos
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Ingeniería de los Materiales
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INGENIERÍAS Y TECNOLOGÍAS
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Óptica
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Ciencias Físicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Characterization and optical properties of m-Li2ZrO3 prepared by optimized solid-state reaction
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-07-13T11:00:12Z
dc.identifier.eissn
1568-5527
dc.journal.volume
33
dc.journal.number
3
dc.journal.pagination
1-7
dc.journal.pais
Países Bajos
dc.description.fil
Fil: Yasno Gaviria, Juan Pablo. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Tecnología de Recursos Minerales y Cerámica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Tecnología de Recursos Minerales y Cerámica; Argentina
dc.description.fil
Fil: Conconi, Susana. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Tecnología de Recursos Minerales y Cerámica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Tecnología de Recursos Minerales y Cerámica; Argentina
dc.description.fil
Fil: Suarez, Gustavo. Provincia de Buenos Aires. Gobernación. Comisión de Investigaciones Científicas. Centro de Tecnología de Recursos Minerales y Cerámica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Centro de Tecnología de Recursos Minerales y Cerámica; Argentina
dc.journal.title
Advanced Powder Technology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0921883122000929
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.apt.2022.103514
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