Fariza Kalyk

Fariza Kalyk
Kaunas University of Technology · Department of Physics

PhD in materials science

About

7
Publications
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12
Citations
Introduction
Last year PhD student in materials science at Kaunas University of Technology. The topic of my research is nanostructured ceramics based on cerium oxide for low-temperature solid oxide fuel cells. I can synthesise nanopowders using combustion and co-precipitation chemical synthesis methods, and I am familiar with sol-gel. While doing my PhD, I have developed good research skills and I am able to use several analytical methods.

Publications

Publications (7)
Article
Full-text available
Gadolinium-doped ceria (GDC) nanopowders, prepared using the co-precipitation synthesis method, were applied as a starting material to form ceria-based thin films using the electron-beam technique. The scanning electron microscopy (SEM )analysis of the pressed ceramic pellets’ cross-sectional views showed a dense structure with no visible defects,...
Article
This article presents various chemical synthesis techniques to form samarium-doped ceria (SDC) nanopowders that can be used as electrolyte materials for fabricating solid oxide fuel cells (SOFC). Ce0.8Sm0.2O2-δ powders were prepared by three chemical synthesis routes: glycine nitrate precursor combustion, co-precipitation and sol-gel. SDC pellets w...
Article
The gadolinia-ceria multilayer sandwich systems (4 – 12 layers) were deposited on Si (111) substrate by direct current reactive magnetron sputtering in O2/Ar gas mixture. GDC thin films were annealed at 700 °C for 1 h in air. The structure and morphology of annealed films were investigated using X-ray diffraction (XRD), Raman spectroscopy, and scan...
Conference Paper
Full-text available
In recent years, a pale white-yellow colour powder or CeO2 attracted a lot of attention, regarding its applications as a catalyst and for a non-inert support for catalysts. Samarium is one of the most favourable dopant as a result of high conductivity of formed chemical compound which is subsequently 6.1·10-2 S/cm. Samarium-doped ceria (SDC) can be...
Conference Paper
Full-text available
Miniaturized solid oxide fuel cells (µ-SOFCs), constructed using thin film methods can achieve high specific energy and energy density and may partially replace Li batteries in portable devices [1,2,3]. However, the initial materials used in the fabrication of µ-SOFC process should fully satisfy the requirements. Recently, the thickness of the µ-SO...
Conference Paper
Samaria-doped ceria has widely used in various solid oxide fuel cells (SOFCs) as electrolyte, fossil fuel technology, for gas sensing devices and in automobile exhaust systems. In this work, samaria-doped ceria (Ce0.8Sm0.2O1.9, SDC) powders, prepared by a glycine nitrate combustion method, were developed for intermediate-temperature solid oxide fue...
Conference Paper
Full-text available
Magnetrons are commonly used in thin film deposition for: micro mechanics and electronics, solar cells, hydrogen fuel cells, for investigations in alternative energetics and its manufacturing. During the exploiting, the parameters of the magnetic system are changing due to mechanical and thermal impact on it. The configuration of magnetic field ind...

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