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Plasma Properties of Electric Arc Discharge Burning Between Cu-W Composites Electrodes
(Czech Technical University in Prague, 2023-09-04)Plasma of electric arc discharge burning between different types of composite Cu-W electrodes was investigated. Electrodes manufactured of Cu-W composite materials (30/70% by mass) by shock sintering technology at temperatures ... -
A Brief Overview on Epoxies in Electronics: Properties, Applications, and Modifications
(MDPI, 2023-09-30)This paper offers a short overview of epoxy resins, encompassing their diverse characteristics, variants, chemical modifications, curing processes, and intriguing electrical properties. Epoxies, valued for their multifunctional ... -
Exploring the Piezoelectric Properties of Bismuth Ferrite Thin Films Using Piezoelectric Force Microscopy: A Case Study
(MDPI, 2023-04-18)Over recent decades, the scientific community has managed to make great progress in the theoretical investigation and practical characterization of bismuth ferrite thin films. However, there is still much work to be completed ... -
Case Study of Polyvinylidene Fluoride Doping by Carbon Nanotubes
(MDPI, 2021-03-15)Modern material science often makes use of polyvinylidene fluoride thin films because of various properties, like a high thermal and chemical stability, or a ferroelectric, pyroelectric and piezoelectric activity. Fibers ... -
Structure Tuning and Electrical Properties of Mixed PVDF and Nylon Nanofibers
(MDPI, 2021-10-15)The paper specifies the electrostatic spinning process of specific polymeric materials, such as polyvinylidene fluoride (PVDF), polyamide-6 (PA6, Nylon-6) and their combination PVDF/PA6. By combining nanofibers from two ... -
Overview of the Current State of Flexible Solar Panels and Photovoltaic Materials
(MDPI, 2023-08-25)The rapid growth and evolution of solar panel technology have been driven by continuous advancements in materials science. This review paper provides a comprehensive overview of the diverse range of materials employed in ... -
The Impact of Covid-19 on the Field of Education and Science
(SciTePress, 2023-01-01)The spread of the coronavirus infection COVID-19 has affected all sectors of the economy. The pandemic has had a tangible impact on the sphere of higher education, including graduate school. A radical restructuring of the ... -
Magnetically Separable Mixed-Phase alpha/gamma-Fe2O3 Catalyst for Photo-Fenton-like Oxidation of Rhodamine B
(MDPI, 2023-05-11)Iron oxides are widely used as catalysts for photo-Fenton-like processes for dye oxidation. In this study, we report on the synthesis of an a/?-Fe2O3 mixed-phase catalyst with magnetic properties for efficient separation. ... -
Current applications and challenges of the Internet of Things
(Vilnius Gediminas Technical University, 2023-04-11)The concept of the Internet of Things is capable of making a giant leap in the economy, including research in the field of computer science, network technologies, microelectronics and sensor technology. Combined with the ... -
Brief Theoretical Overview of Bi-Fe-O Based Thin Films
(MDPI, 2022-12-07)This paper will provide a brief overview of the unique multiferroic material Bismuth ferrite (BFO). Considering that Bismuth ferrite is a unique material which possesses both ferroelectric and magnetic properties at room ... -
Piezo-Enhanced Photocatalytic Activity of the Electrospun Fibrous Magnetic PVDF/BiFeO3 Membrane
(MDPI, 2023-01-03)Creating stimulus-sensitive smart catalysts capable of decomposing organic dyes with high efficiency is a critical task in ecology. Combining the advantages of photoactive piezoelectric nanomaterials and ferroelectric ... -
A brief introduction and current state of polyvinylidene fluoride as an energy harvester
(MDPI, 2022-09-29)This review summarizes the current trends and developments in the field of polyvinylidene fluoride (PVDF) for use mainly as a nanogenerator. The text covers PVDF from the first steps of solution mixing, through production, ... -
Morphotropic Phase Boundary Enhanced Photocatalysis in Sm Doped BiFeO3
(MDPI, 2022-10-18)This paper presents the results of the synthesis of samarium-doped bismuth ferrite (BFO) nanoparticles by the solution combustion method. The dependence of BFO properties on the amount of the samarium (Sm) in the composition ... -
Solvent Evaporation Rate as a Tool for Tuning the Performance of a Solid Polymer Electrolyte Gas Sensor
(MDPI, 2022-11-06)Solid polymer electrolytes show their potential to partially replace conventional electrolytes in electrochemical devices. The solvent evaporation rate represents one of many options for modifying the electrode-electrolyte ... -
Brief Review of PVDF Properties and Applications Potential
(MDPI, 2022-11-08)Currently, there is an ever-growing interest in carbon materials with increased deformation-strength, thermophysical parameters. Due to their unique physical and chemical properties, such materials have a wide range of ... -
Characterization and Evaluation of Engineered Coating Techniques for Different Cutting Tools-Review
(MDPI, 2022-08-01)Coatings are now frequently used on cutting tool inserts in the metal production sector due to their better wear resistance and heat barrier effect. Protective hard coatings with a thickness of a few micrometers are created ... -
Interpretation of field emission current–voltage data: Background theory and detailed simulation testing of a user-friendly webtool
(Elsevier, 2022-05-19)In field electron emission (FE) studies, interpretation of measured current–voltage characteristics and extraction of emitter characterization parameters are usually carried out within the framework of “smooth planar ... -
Analysis of learning methods in the digital educational environment
(EDP Sciences, 2022-06-24)In this paper, modern ways of digitalization of the educational process are considered and analyzed. An alternative innovative solution can be a theory of inventive problem solving (TRIZ) a methodology, taking into account ... -
TRIZ already 35 years in the Czech Republic
(Elsevier B.V., 2016-02-10)In this paper the authors summarize the experience of teaching and implementation TRIZ at technical universities and findings from teaching and applications in companies in the Czech Republic and Slovakia for the last 35 years. -
Effect of extrusion process and various elongation ratios on the structural and dielectric properties of PVDF-based copolymer containing micro and nano-sized crystallites
(TANGER Ltd., 2021-07-11)In this contribution, the effect of the extrusion process of the poly(vinylidene fluoride-co-hexafluoropropylene) (PVDF-co-HFP) with the subsequent elongation/poling on its structural and dielectric properties is presented. ...
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