Application of the sol-gel method at the fabrication of PLZT:Yb3+ ceramics

• Autorzy: Osińska K. , Płońska M. , Marzec A.

Identyfikatory

DOI

DOI: 10.1515/amm-2016-0236

• Języki publikacji: EN

Abstrakty

EN

The aim of presented study was to obtain the PLZT:Yb ceramics. Nanopowders of itterbiuni doped PLZT materials were synthesized by the sol-gel method from high quality metaloorganic precursors, as lead (II) acetate, lanthanum acetate, ytterbium acetate, zirconium (IV) propoxide and titanium (IV) propoxide. Anhydrous acetic acid and n-propyl alcohol were used as solvents, while acetyloacetone was added as stabilizer of hydrolysis reactions. Thermal evolution of the dried gels, before and after calcination, was studied by the simultaneous thermal analysis. The amorphous PLZT:Yb³⁺ gels were first calcined in the furnace at T = 850°C, and then mixed in the planetary ball mill. Additionally, the mean particle sizes were calculated by means of powder specific surface area measurements, based on the BET physical adsorption isotherm. Such obtained powders were subsequently pressed into pellets, and sintered by the free sintering method at temperature T= 1250°C / 6h. The morphology of fabricated PLZT:Yb:³⁺ ceramic powders and samples was studied using Scanning Electron Microscopy. Chemical characterization of samples was carried on using the Energy-dispersive X-ray spectroscopy – EDS system. Studies provided detailed data concerning die relationships between doping and preparing conditions on the basic physical and chemical properties of obtained ceramic materials.

Słowa kluczowe

EN

PLZT:Yb3+ ceramics; sol-gel method; perovskite structure ceramics

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 3
• Strony: 1441--1446
• Opis fizyczny: Bibliogr. 12 poz., rys., tab., wykr., wzory

Twórcy

autor

Osińska K.

• University of Silesia. Institute of Technology and Mechatronics, 2, Sniezna Str., Sosnowiec, 41-200 Poland

autor

Płońska M.

• University of Silesia. Institute of Technology and Mechatronics, 2, Sniezna Str., Sosnowiec, 41-200 Poland

autor

Marzec A.

• University of Science and Technology, Faculty of Materials Science and Ceramics. Department of Ceramics and Refractory Materials, Al. Mickiewicza 30, 30-059 Krakow, Poland

Bibliografia

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Uwagi

EN

The present research has been supported by National Science Centre in years 2013-2017, as a research project No UMO-2012/07/D/ST8/02634.