Search Results - "Vrnata, M."

Optical and electrical characterization of CuO/ZnO heterojunctions by Yatskiv, R., Tiagulskyi, S., Grym, J., Vaniš, J., Bašinová, N., Horak, P., Torrisi, A., Ceccio, G., Vacik, J., Vrňata, M.

“…•CuO/ZnO heterojunctions are based on solution-grown ZnO nanorods.•Optoelectrical properties of the CuO/ZnO junctions are investigated•Charge transport is…”
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Thermally stimulated desorption from the surface of black aluminum layers prepared by PVD methods by Pokorný, P., Novotný, M., Hruška, M., More-Chevalier, J., Fitl, P., Dekhtyar, Y., Romanova, M., Kiba, T., Kawamura, M., Vrňata, M., Vacík, J., Lančok, J.

“…Black aluminum is characterized by a highly granular structure and porous surface - i.e. the real surface area is several times larger than its geometric…”
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Thermally stimulated exoelectron emission from the surface of black aluminum layers prepared by PVD methods by Pokorný, P., Hruška, M., Novotný, M., More-Chevalier, J., .Fitl, P., Chertopalov, S., Kiba, T., Kawamura, M., Vrňata, M., Lančok, J.

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Thermally stimulated exo-electron emission and desorption from Lu2O3:Eu3+ surfaces by Pokorný, P., Novotný, M., Fitl, P., Dekhtyar, Y., More-Chevalier, J., Chertopalov, S., Remsa, J., Irimiciuc, S., Vrňata, M., Lančok, J.

“…Thermally stimulated exo-electron emission (TSEE) and thermally stimulated desorption (TSD) methods were employed to characterize interactions in the surface…”
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Silver phthalocyanine thin films carrying gold, palladium and silver nanoparticles for detection of taggants in explosives by Tomeček, D., Fitl, P., Marešová, E., Vlček, J., Hofmann, J., Vrňata, M.

“…Our work deals with thin films of silver phthalocyanine (AgPc) combined with gold, palladium and silver nanoparticles. These films were applied for the…”
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Thin copper oxide films prepared by ion beam sputtering with subsequent thermal oxidation: Application in chemiresistors by Horak, P., Bejsovec, V., Vacik, J., Lavrentiev, V., Vrnata, M., Kormunda, M., Danis, S.

“…•A rapid oxidation process of thin copper films.•Sheet resistance up to 109Ω/◊.•Mixed oxide phase at 200°C with significant hydroxide presence.•Gas sensing…”
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Preparation of heterogenous copper-titanium oxides for chemiresistor applications by Torrisi, A., Horák, P., Vacík, J., Cannavò, A., Ceccio, G., Yatskiv, R., Kupčík, J., Fara, J., Fitl, P., Vlček, J., Vrňata, M.

“…Metal oxide based gas sensors (MOS) found a wide application as modular parts in microelectronic devices due to their technological compatibility, low cost and…”
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Study of structural and electrical properties of thin NiOx films prepared by ion beam sputtering of Ni and subsequent thermo-oxidation by Horak, P., Lavrentiev, V., Bejsovec, V., Vacik, J., Danis, S., Vrnata, M., Khun, J.

“…Nickel oxide thin films were prepared by thermal annealing of thin Ni films (thickness ca 47 nm) deposited by ion beam sputtering. The thermal annealing was…”
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Investigation of gas sensing mechanism of SnO2 based chemiresistor using near ambient pressure XPS by Vorokhta, M., Khalakhan, I., Vondráček, M., Tomeček, D., Vorokhta, M., Marešová, E., Nováková, J., Vlček, J., Fitl, P., Novotný, M., Hozák, P., Lančok, J., Vrňata, M., Matolínová, I., Matolín, V.

“…•A simple gas sensor with nanostructured SnO2 sensitive layer was studied in-situ by NAP-XPS at conditions, which are close to working conditions of the gas…”
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Compound tin dioxide–tin acetylacetonate thin layers for sensor applications by Komenda, V., Myslík, V., Vrňata, M., Vysloužil, F., Fitl, P., Fryček, R., Jelínek, M.

“…This paper studies chemical sensors with binary SnO 2–SnAcAc compound active layers. The active layers are deposited by pulsed laser deposition technology (KrF…”
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Effect of pulsed laser annealing on optical and structural properties of ZnO:Eu thin film by Havlová, Š., Novotný, M., Fitl, P., More-Chevalier, J., Remsa, J., Kiisk, V., Kodu, M., Jaaniso, R., Hruška, P., Lukáč, F., Bulíř, J., Fekete, L., Volfová, L., Vondráček, M., Vrňata, M., Lančok, J.

“…ZnO:Eu thin film fabricated by pulsed laser deposition was treated by pulsed UV laser. The effect of laser fluence from 70 to 125 mJ cm −2 on film properties…”
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Pulsed laser deposition and dip-coating techniques in the fabrication of bismuth molybdate gas sensors by Le, Minh Thang, Kovanda, M., Myslik, V., Vrnata, M., Van Driessche, I., Hoste, S.

“…This work investigated the properties of bismuth molybdate gas sensors in which the active layers are deposited by pulsed laser deposition (PLD) and by…”
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Electronic functionality of Gd-bisphthalocyanine: Charge carrier concentration, charge mobility, and influence of local magnetic field by Kratochvílová, I., Šebera, J., Paruzel, B., Pfleger, J., Toman, P., Marešová, E., Havlová, Š., Hubík, P., Buryi, M., Vrňata, M., Słota, R., Zakrzyk, M., Lančok, J., Novotný, M.

“…[Display omitted] •Specific parameters affecting GdPc2 electrical conductivity were experimentally and theoretically studied.•Molecular arrangement and…”
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The properties of samarium-doped zinc oxide/phthalocyanine structure for optoelectronics prepared by pulsed laser deposition and organic molecular evaporation by Novotný, M., Marešová, E., Fitl, P., Vlček, J., Bergmann, M., Vondráček, M., Yatskiv, R., Bulíř, J., Hubík, P., Hruška, P., Drahokoupil, J., Abdellaoui, N., Vrňata, M., Lančok, J.

“…Samarium-doped zinc oxide (ZnO:Sm)/zinc phthalocyanine (ZnPc) thin film multilayer structure was prepared by combination of pulsed laser deposition (PLD) and…”
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Thin organic layers prepared by MAPLE for gas sensor application by Fryček, R., Jelínek, M, Kocourek, T., Fitl, P., Vrňata, M., Myslík, V., Vrbová, M.

“…It was shown that organic materials can be used as an active layer for conductivity gas sensors. It was found that Pulse Laser Deposition (PLD) is a convenient…”
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Deposition of organic metalocomplexes for sensor applications by MAPLE by Fryček, R., Vysloužil, F., Myslík, V., Vrňata, M., Kopecký, D., Ekrt, O., Fitl, P., Jelínek, M., Kocourek, T., Šipula, R.

“…Complexes of metals with organic ligands are known to be widely used materials for active layers of chemical gas sensors. Among these materials especially…”
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Optical properties of zinc phthalocyanine thin films prepared by pulsed laser deposition by Novotny, M., Bulir, J., Bensalah-Ledoux, A., Guy, S., Fitl, P., Vrnata, M., Lancok, J., Moine, B.

“…ZnPc thin films were prepared by pulsed laser deposition (KrF laser, λ = 248 nm, τ  = 5 ns, f  = 50 Hz) on suprasil substrates in vacuum. Optical properties in…”
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Laser-deposited tin dioxide and tin acetylacetonate layers for gas sensors by Vyslouzil, F, Myslík, V, Vrata, M, Jeli´nek, M, Zemek, J

“…Thin active layers were deposited by the pulsed laser deposition (PLD) method from tin dioxide and tin acetylacetonate targets. The deposition was carried out…”
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Investigation of Optical Properties and Defects Structure of Rare Earth (Sm, Gd, Ho) Doped Zinc Oxide Thin Films Prepared by Pulsed Laser Deposition by Novotny, M., Hruska, P., Fitl, P., Maresova, E., Havlova, S., Bulir, J., Fekete, L., Yatskiv, R., Vrnata, M., Cizek, J., Liedke, M.O., Lancok, J.

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Compound tin dioxide-tin acetylacetonate based sensors prepared by pulsed laser deposition by Vrnata, M., Myslik, V., Vyslouzil, F., Komenda, V., Fitl, P., Kovanda, M., Jelinek, M.

“…Tin dioxide is the most widely used material for gas sensors utilising change of surface conductivity. The surface of some organic substances also exhibits an…”
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