• Comparison of Sublimation 3D Scanning Sprays in Terms of Their Effect on the Resulting 3D Scan, Thickness, and Sublimation Time 

  Franke, Jakub; Koutecký, Tomáš; Koutný, Daniel (MDPI, 2023-09-11)

  This study compared eight sublimation scanning sprays in terms of their effect on 3D scanning results, coating thickness, and sublimation time. The work used an automated spraying system to ensure the same deposition ...

• DoE Approach to Setting Input Parameters for Digital 3D Printing of Concrete for Coarse Aggregates up to 8 mm 

  Vespalec, Arnošt; Podroužek, Jan; Koutný, Daniel (MDPI, 2023-04-27)

  This paper is primarily concerned with determining and assessing the properties of a cement-based composite material containing large particles of aggregate in digital manufacturing. The motivation is that mixtures with ...

• Spatio-spectral metrics in electron energy loss spectroscopy as a tool to resolve nearly degenerate plasmon modes in dimer plasmonic antennas 

  Horák, Michal; Konečná, Andrea; Šikola, Tomáš; Křápek, Vlastimil (WALTER DE GRUYTER GMBH, 2023-06-19)

  Electron energy loss spectroscopy (EELS) is often utilized to characterize localized surface plasmon modes supported by plasmonic antennas. However, the spectral resolution of this technique is only mediocre, and it can ...

• Case Study of Polyvinylidene Fluoride Doping by Carbon Nanotubes 

  Kaspar, Pavel; Sobola, Dinara; Částková, Klára; Dallaev, Rashid; Šťastná, Eva; Sedlák, Petr; Knápek, Alexandr; Trčka, Tomáš; Holcman, Vladimír (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 

  Černohorský, Petr; Pisarenko, Tatiana; Papež, Nikola; Sobola, Dinara; Ţălu, Ştefan; Částková, Klára; Kaštyl, Jaroslav; Macků, Robert; Škarvada, Pavel; Sedlák, Petr (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 ...

• Preserving Metamagnetism in Self-Assembled FeRh Nanomagnets 

  Motyčková, Lucie; Arregi Uribeetxebarria, Jon Ander; Staňo, Michal; Průša, Stanislav; Částková, Klára; Uhlíř, Vojtěch (AMER CHEMICAL SOC, 2023-02-15)

  Preparing and exploiting phase-change materials in the nanoscale form is an ongoing challenge for advanced material research. A common lasting obstacle is preserving the desired functionality present in the bulk form. Here, ...

• Higher-order and Weil generalization of Grassmannian 

  Tomáš, Jiří (Elsevier, 2023-01-16)

  We give a simple mechanical motivation for a generalization of the classical Grassmannian considered as a space of m-dimensional linear subspaces of Rk to higher-orders cases. Our efforts are prolongated to the Weil functor ...

• On a Nearly Forgotten Polynomial Result by P. Bohl 

  Čermák, Jan; Fedorková, Lucie (Taylor & Francis, 2023-02-01)

  Piers Bohl (1865-1921) was an outstanding Latvian mathematician whose name is particularly connected with several crucial achievements that were ahead of their time. Unfortunately, the contemporary mathematical community ...

• Micromechanical aspects of the effect of temperature and local plastic strain magnitude on the fracture tughness of ferrite steels 

  Kotrechko, Sergiy; Kozák, Vladislav; Zatsarna, Oleksandra; Zimina, Galina; Stetsenko, Nataliya; Dlouhý, Ivo (Elsevier, 2023-01-18)

  The paper shows that the influence of plastic strain and temperature on the rate of crack nuclei (CN) formation is a crucial factor controlling the shape of the temperature dependence of fracture toughness and its scatter ...

• Electron beam welding of AlCoCrFeNi2.1 high entropy alloy to EN 1.4301 austenitic steel 

  Rončák, Ján; Adam, Ondřej; Zobač, Martin (IOP Publishing, 2023-02-21)

  Eutectic high-entropy alloys (EHEA), also known as multi-principle component alloys (MPCA), are a group of materials exhibiting promising mechanical properties. The principle of the alloy is to achieve sufficient ductility ...

• Plasmonic Properties of Individual Gallium Nanoparticles 

  Horák, Michal; Čalkovský, Vojtěch; Mach, Jindřich; Křápek, Vlastimil; Šikola, Tomáš (American Chemical Society, 2023-02-16)

  Gallium is a plasmonic material offering ultraviolet to near-infrared tunability, facile and scalable preparation, and good stability of nanoparticles. In this work, we experimentally demonstrate the link between the shape ...

• The Corrosion Behavior of WEDM Machined Stainless Steels in a Pyrolysis Environment 

  Beneš, Libor; Mouralová, Kateřina; Midula, Pavol; Snow, Jan; Lysoňková, Irena; Pilnaj, Dominik; Burdová, Hana; Prokeš, Tomáš; Zahradníček, Radim; Fries, Jiří; Kuráň, Pavel; Kuběnka, Martin (MDPI, 2023-01-11)

  Pyrolysis represents one of the most convenient technologies for the chemical transformation of waste. The exposure to corrosion products and high temperatures does, however, require chemically resistant construction ...

• Fatigue life of notches: an effect of manufacturing 

  Kozáková, Kamila; Fintová, Stanislava; Klusák, Jan (Elsevier, 2023-01-03)

  In this study, the influence of notches in the area of gigacycle fatigue is investigated. The presented study offers experimental fatigue results of smooth and notched specimens. Specimens were made of AW 7075 - T6511 ...

• PHE (Plate Heat Exchanger) for condensing duties: recent advances and future prospects 

  Kapustenko, Petro; Klemeš, Jiří; Arsenyeva, Olga; Tovazhnyansky, Leonid (MDPI, 2023-01-03)

  Increasing energy usage efficiency requires enhanced heat energy recuperation between process streams in the industry and civic sector with waste heat utilization. The condensation of different vapours is the process ...

• Half-linear differential equations: Regular variation, principal solutions, and asymptotic classes 

  Řehák, Pavel (Bolyai Institute, University of Szeged, 2023-01-03)

  We are interested in the structure of the solution space of second-order half-linear differential equations taking into account various classifications regarding asymptotics of solutions. We focus on an exhaustive analysis ...

• Influence of Al2O3 Nanoparticles Addition in ZA-27 Alloy-Based Nanocomposites and Soft Computing Prediction 

  Vencl, Aleksandar; Svoboda, Petr; Klančnik, Simon; But, Adrian; Vorkapić, Miloš; Harničárová, Marta; Stojanović, Blaža (MDPI, 2023-01-07)

  Three different and very small amounts of alumina (0.2, 0.3 and 0.5 wt. %) in two sizes (approx. 25 and 100 nm) were used to enhance the wear characteristics of ZA-27 alloy-based nanocomposites. Production was realised ...

• Bound modes in the continuum in integrated photonic LiNbO3 waveguides: are they always beneficial? 

  Čtyroký, Jiří; Petráček, Jiří; Kuzmiak, Vladimír; Richter, Ivan (Optica Publishing Group, 2023-01-02)

  We discuss several types of integrated photonic LiNbO3 waveguides supporting propagation of modes which can be classified as bound states in the continuum (BICs). The key properties leading to the existence of BICs (or ...

• Magnetic-field-controlled growth of magnetoelastic phase domains in FeRh 

  Arregi Uribeetxebarria, Jon Ander; Ringe, Friederike; Hajduček, Jan; Gomonay, Olena; Molnár, Tomáš; Jaskowiec, Jiří; Uhlíř, Vojtěch (IOP Publishing, 2023-06-01)

  Magnetic phase transition materials are relevant building blocks for developing green technologies such as magnetocaloric devices for solid-state refrigeration. Their integration into applications requires a good understanding ...

• Observing high-k magnons with Mie-resonance-enhanced Brillouin light scattering 

  Wojewoda, Ondřej; Ligmajer, Filip; Hrtoň, Martin; Klíma, Jan; Dhankhar, Meena; Davídková, Kristýna; Staňo, Michal; Holobrádek, Jakub; Krčma, Jakub; Zlámal, Jakub; Šikola, Tomáš; Urbánek, Michal (Springer Nature, 2023-05-09)

  It is of fundamental interest to probe dynamics excitations such as magnons with nanoscale wavelengths in matter. Here, the authors experimentally observe magnons with high k-vectors using Brillouin light scattering ...

• Correlative Imaging of Individual CsPbBr3 Nanocrystals: Role of Isolated Grains in Photoluminescence of Perovskite Polycrystalline Thin Films 

  Liška, Petr; Musálek, Tomáš; Šamořil, Tomáš; Kratochvíl, Matouš; Matula, Radovan; Horák, Michal; Nedvěd, Matěj; Urban, Jakub; Planer, Jakub; Rovenská, Katarína; Dvořák, Petr; Kolíbal, Miroslav; Křápek, Vlastimil; Kalousek, Radek; Šikola, Tomáš (AMER CHEMICAL SOC, 2023-06-20)

  We report on the optical properties of a CsPbBr3 polycrystallinethin film on a single grain level. A sample composed of isolated nanocrystals(NCs) mimicking the properties of the polycrystalline thin film grainsthat can ...

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