Search Results - "GRMELA, Lubomír"

Characterization of Fe2O3 thin film on highly oriented pyrolytic graphite by AFM, Ellipsometry and XPS by Kaspar, Pavel, Sobola, Dinara, Dallaev, Rashid, Ramazanov, Shikhgasan, Nebojsa, Alois, Rezaee, Sahar, Grmela, Lubomír

“…Graphite finds use in a large amount of nanoscale applications, including as a substrate for thin film and nanomaterial deposition. With its excellent…”
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Influence of scanning rate on quality of AFM image: Study of surface statistical metrics by Sobola, Dinara, Ţălu, Ştefan, Solaymani, Shahram, Grmela, Lubomír

“…The purpose of this work is to study the dependence of AFM‐data reliability on scanning rate. The three‐dimensional (3D) surface topography of the samples with…”
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Characterization of Polyvinylidene Fluoride (PVDF) Electrospun Fibers Doped by Carbon Flakes by Kaspar, Pavel, Sobola, Dinara, Částková, Klára, Knápek, Alexandr, Burda, Daniel, Orudzhev, Farid, Dallaev, Rashid, Tofel, Pavel, Trčka, Tomáš, Grmela, Lubomír, Hadaš, Zdeněk

“…Polyvinylidene fluoride (PVDF) is a modern polymer material used in a wide variety of ways. Thanks to its excellent resistance to chemical or thermal…”
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Performance analysis of GaAs based solar cells under gamma irradiation by Papež, Nikola, Gajdoš, Adam, Dallaev, Rashid, Sobola, Dinara, Sedlák, Petr, Motúz, Rastislav, Nebojsa, Alois, Grmela, Lubomír

“…•A wide range of measurements was performed on GaAs samples.•Measurement was verified on several dozens of solar cell.•Solar cells were irradiated by Co-60…”
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Analysis of color shift on butterfly wings by Fourier transform of images from atomic force microscopy by Kaspar, Pavel, Sobola, Dinara, Sedlák, Petr, Holcman, Vladimír, Grmela, Lubomír

“…Butterfly wings have complex structure lending it several interesting properties. Coloration of the wing is one of the first things to encounter and the…”
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Degradation analysis of GaAs solar cells at thermal stress by Papež, Nikola, Sobola, Dinara, Škvarenina, Ľubomír, Škarvada, Pavel, Hemzal, Dušan, Tofel, Pavel, Grmela, Lubomír

“…•A wide range of measurements of surface and electrical parameters were performed on GaAs samples.•A total of several dozen samples were measured.•The…”
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AFM imaging and fractal analysis of surface roughness of AlN epilayers on sapphire substrates by DALLAEVA, Dinara, TALU, Ştefan, STACH, Sebastian, SKARVADA, Pavel, TOMANEK, Pavel, GRMELA, Lubomír

“…The paper deals with AFM imaging and characterization of 3D surface morphology of aluminum nitride (AlN) epilayers on sapphire substrates prepared by magnetron…”
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Characterization of argon etched Ta2O5 thin films by Kaspar, Pavel, Škarvada, Pavel, Holcman, Vladimír, Grmela, Lubomír

“…Tantalum pentoxide finds use in many electronic and optical applications, and in the recent years has been highly important for use in optics. Its sought-after…”
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Effect of gamma radiation on properties and performance of GaAs based solar cells by Papež, Nikola, Gajdoš, Adam, Sobola, Dinara, Dallaev, Rashid, Macků, Robert, Škarvada, Pavel, Grmela, Lubomír

“…[Display omitted] •Dozens of single-junction GaAs-based PV cells were measured.•The same type of solar cells was used in satellite constellation.•Complementary…”
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Angular absorption of light used for evaluation of structural damage to porcine meat caused by aging, drying and freezing by Kaspar, Pavel, Prokopyeva, Elena, Tománek, Pavel, Grmela, Lubomír

“…Meat as a rich source of protein is sought after by people from all over the world. It is also very susceptible to decay because of many internal and external…”
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Application of AFM Measurement and Fractal Analysis to Study the Surface of Natural Optical Structures by Sobola, Dinara, Talu, Stefan, Sadovsky, Petr, Papez, Nikola, Grmela, Lubomir

“…The wings scales of the butterflies were studied by Atomic Force Microscopy (AFM) in the air. Measurements were done without special preparation of species in…”
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Low energy ion scattering as a depth profiling tool for thin layers - Case of bromine methanol etched CdTe by Šik, Ondřej, Bábor, Petr, Polčák, Josef, Belas, Eduard, Moravec, Pavel, Grmela, Lubomír, Staněk, Jan

“…We have investigated the properties of the Te-rich surface layer formed after a bromine-methanol etch of CdTe single crystal by two methods: Angle Resolved…”
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A variety of microstructural defects in crystalline silicon solar cells by SKARVADA, Pavel, TOMANEK, Pavel, KOKTAVY, Pavel, MACKU, Robert, SICNER, Jiří, VONDRA, Marek, DALLAEVA, Dinara, SMITH, Steve, GRMELA, Lubomír

“…The performance and lifetime of solar cells critically depends on bulk and surface defects. To improve performance of solar cells, localization and…”
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Stereometric Analysis of Effects of Heat Stressing on Micromorphology of Si Single Crystals by Rashid, Dallaev, Stach, Sebastian, Ţălu, Ştefan, Sobola, Dinara, Méndez-Albores, Alia, Córdova, Gabriel Trejo, Grmela, Lubomír

“…The purpose of this work is study of silicon single crystal wafer thermal stability in correlation with three-dimensional (3D) surface characterization using…”
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Local investigation of thermal dependence of light emission from reverse-biased monocrystalline silicon solar cells by Grmela, Lubomír, Škarvada, Pavel, Tománek, Pavel, Macků, Robert, Smith, Steve

“…The quality and lifetime of solar cells critically depend on minimization of both bulk and surface imperfections. When a solar cell is reverse-biased with low…”
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Leakage Current Degradation Due to Ion Drift and Diffusion in Tantalum and Niobium Oxide Capacitors by Kuparowitz, Martin, Sedlakova, Vlasta, Grmela, Lubomir

“…High temperature and high electric field applications in tantalum and niobium capacitors are limited by the mechanism of ion migration and field…”
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Microscale localization of low light emitting spots in reversed-biased silicon solar cells by Škarvada, Pavel, Tománek, Grmela, Lubomír, Smith, Steve J.

“…We present the results of an investigation of the sub-micron irregularities in a monocrystalline silicon solar cell structure utilizing scanning near-field…”
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New Mixing Rules for Composite Polymer Materials by Holcman, Vladimír, Grmela, Lubomír, Liedermann, Karel

“…This paper studies the dielectric properties of an elastomer filled with spherical Ni particles of different sizes the range 35–115 µm. The experimental…”
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Cold Field-Emission Cathode Noise Analysis by Knápek, Alexandr, Grmela, Lubomír, Sikula, Josef, Sik, Ondrej

“…Cold Field-Emission Cathode Noise Analysis Noise diagnostics has been performed on the cold field-emission cathode in high-vacuum. The tested cold…”
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Metal-Semiconductor Heterojunction Role in CdTe Detectors by Grmela, Lubomír, Šik, Ondrej

“…We have performed noise spectroscopy and charge transport properties analysis of CdTe detectors. Two types of high volume detectors are compared: Low-ohmic…”
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