Małgorzata Dziubaniuk

A Controlled Proof-of-Concept Study for Quantitative Estimation of Syrup Addition in Honey Using RGB Histogram Descriptors and Explainable Machine Learning

Małgorzata Dziubaniuk, Patrycja Kwiek, Małgorzata Jakubowska

This controlled proof-of-concept study evaluated whether interpretable RGB histogram descriptors extracted from smartphone images can be used to estimate nominal syrup addition within a single experimentally prepared honey-adulterant series. Eleven concentration-specific physical mixtures containing 0–50% syrup in 5% increments were prepared, and …

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Electrochemical Impedance Spectroscopy Study of Ceria- and Zirconia-Based Solid Electrolytes for Application Purposes in Fuel Cells and Gas Sensors

Małgorzata Dziubaniuk, Robert Piech, Beata Paczosa‐Bator

In this study, the structural and electrochemical properties of commercial powders of the nominal compositions Ce0.8Gd0.2O1.9, Sc0.1Ce0.01Zr0.89O1.95, and Sc0.09Yb0.01Zr0.9O1.95 were investigated. The materials are prospective candidates to be used in electrochemical devices, i.e., gas sensors and fuel cells. Based on a comparison …

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The explanation of electrical properties changes under NH3 and H2 containing atmospheres in risen temperatures of ceria- and zirconia-based solid electrolytes by means of electrochemical impedance spectroscopy

Małgorzata Dziubaniuk

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High-Entropy Perovskite Thin Film in the Gd-Nd-Sm-La-Y-Co System: Deposition, Structure and Optoelectronic Properties

Paweł A. Krawczyk, Wojciech Salamon, Mateusz Marek Marzec, Michał Szuwarzyński et autres

Multicomponent equimolar perovskite oxides (ME-POs) have recently emerged as a highly promising class of materials with unique synergistic effects, making them well-suited for applications in such areas as photovoltaics and micro- and nanoelectronics. High-entropy perovskite oxide thin film in the (Gd0.2Nd0.2La0.2Sm0.2Y0.2)CoO3 (RECO, …

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Synthesis of Yb and Sc stabilized zirconia electrolyte (Yb0.12Sc0.08Zr0.8O2–δ) for intermediate temperature SOFCs: Microstructural and electrical properties

Michał Mosiałek, Muhammad Bilal Hanif, Tomas Šalkus, A. Kežionis et autres

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Microstructure and electrical conductivity of 3Y-TZ/Al2O3 composites

Katarzyna Obal, Jan Wyrwa, Andrzej Kruk, Małgorzata Dziubaniuk et autres

Various amounts of Al2O3 (0.25, 0.5 and 1.0mol%) were added to tetragonal polycrystalline material (3YTZP), prepared using the hydrothermal crystallization method. The effects of the added amount as well as the sintering temperature on the microstructure and electrical properties of the 3Y-TZP/Al2O3 …

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Changes in properties of scandia-stabilised ceria-doped zirconia ceramics caused by silver migration in the electric field

Michał Mosiałek, Robert Piotr Socha, Barbara Bożek, Dorota Wilgocka‐Ślęzak et autres

Silver is one of the most promising cathode materials for low temperature (300–500 °C) solid oxide fuel cells. The most important disadvantage of silver is its migration in the electric field. For better understanding of this phenomenon, an in situ observation of …

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Unconventional solid-like picein wax carbon paste electrode in europium determination

Szymon Wójcik, Jan Wyrwa, Małgorzata Dziubaniuk, Małgorzata Jakubowska

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Microstructure and Porosity of 3YSZ Solid Electrolyte Prepared Using Organic Polymeric Matrix

Małgorzata Dziubaniuk, Ewa Drożdż, Jan Wyrwa, M. Rękas

Two different complexing agents, namely citric acid and gelatin, were used for gel-combustion synthesis of yttria stabilized zirconia. The influence of synthesis conditions on properties of powders and sintered bodies was studied by X-ray Diffraction Analysis (XRD), Scanning Electron Microscope (SEM) and …

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The microstructure and dielectric properties of a solid solution (1-x)K0.5Bi0.5TiO3 - xSrTiO3 for x=0.001 ceramics

Piotr Czaja, J. Suchanicz, Marcin Wąs, Kamila Kluczewska-Chmielarz et autres

The paper presents the results of measurements of a solid solution (1-x)K0.5Bi0.5TiO3-xSrTiO3 (KBT-ST) ceramics with (for) x=0.001 for two different sintering temperatures (cases of times sintering): (1) at temperature 1303K for 6 hours (KBT-ST 1) and (2) at temperature 1313K for 6 …

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Impedance Spectroscopy of Vanadium Pentoxide Thin Films

Krystyna Schneider, Małgorzata Dziubaniuk, Jan Wyrwa

V2O5 thin films have been deposited onto an insulating support by radiofrequency (rf) reactive sputtering from a metallic vanadium target at controlled flow rates of argon–oxygen gas mixture. Glancing-incidence x-ray diffraction (GIXD) analysis and scanning electron microscopy (SEM) were used for structural …

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Thermal expansion and dielectric properties of (1− x )BaTiO 3 - x PbZn 1/3 Nb 2/3 O 3 ceramics

Halina Czternastek, J. Suchanicz, Krzysztof A. Konieczny, Michalina Nowakowska-Malczyk et autres

The (1−x)BT-xPZN (x = 0, 0.025, 0.075, 0.100 and 0.125) ceramics were sintered using the Spark Plasma Sintering technique. The influence of PZN substitution on thermal expansion and dielectric/ferroelectric behavior of these ceramics was analyzed. The coefficient of thermal expansion decreases and …

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