Przeglądaj Sdílená laboratoř RP1 według daty wydania

Wyświetlanie pozycji 1-20 z 44

  • Microstructural changes during deformation of AISI 300 grade austenitic stainless steels: Impact of chemical heterogeneity 

    Man, Jiří; Kuběna, Ivo; Man, Ondřej; Weidner, Anja; Chlup, Zdeněk; Polák, Jaroslav (Elsevier, 2016-06-24)
    The present work points out the importance of chemical heterogeneity on the destabilization of austenitic structure and the formation of deformation induced martensite (DIM) in AISI 300 grade austenitic stainless steels ...

  • Fracture Resistance of 14Cr ODS Steel Exposed to a High Temperature Gas 

    Hojná, Anna; Michalička, Jan; Hadraba, Hynek; Di Gabriele, Fosca; Duchoň, Jan; Rozumová, Lucia; Husák, Roman (MDPI, 2017-12-01)
    This paper studies the impact fracture behavior of the 14%Cr Oxide Dispersion Strengthened (ODS) steel (ODM401) after high temperature exposures in helium and air in comparison to the as-received state. A steel bar was ...

  • Selectively arranged single-wire based nanosensor array systems for gas monitoring 

    Chmela, Ondřej; Sadílek, Jakub; Somer, Jakub; Mohan, Rajneesh; Hubálek, Jaromír; Vallejos Vargas, Stella (Royal Society of Chemistry, 2018-05-01)
    Gas nanosensors, comprised of arrays of nanoelectrodes with finger-widths of ~100 nm developed by electron beam lithography and aerosol assisted chemical vapor deposited non-functionalized and Pt-functionalized tungsten ...

  • Research Update: Focused ion beam direct writing of magnetic patterns with controlled structural and magnetic properties 

    Urbánek, Michal; Flajšman, Lukáš; Křižáková, Viola; Gloss, Jonáš; Horký, Michal; Schmid, Michael; Varga, Peter (AIP Publishing, 2018-06-01)
    Focused ion beam irradiation of metastable Fe78Ni22 thin films grown on Cu(100) substrates is used to create ferromagnetic, body-centered cubic patterns embedded into paramagnetic, face-centered-cubic surrounding. The ...

  • Metal matrix to ceramic matrix transition via feedstock processing of SPS titanium composites alloyed with high silicone content 

    Tkachenko, Serhii; Čížek, Jan; Mušálek, Radek; Dvořák, Karel; Spotz, Zdeněk; Montufar Jimenez, Edgar Benjamin; Chráska, Tomáš; Křupka, Ivan; Čelko, Ladislav (Elsevier, 2018-06-15)
    Titanium silicides are promising candidates for use as a reinforcement in advanced light-weight composites due to their excellent mechanical properties and oxidation resistance at high temperatures, sufficient wear resistance, ...

  • Comparative study of plasmonic antennas fabricated by electron beam and focused ion beam lithography 

    Horák, Michal; Bukvišová, Kristýna; Švarc, Vojtěch; Jaskowiec, Jiří; Křápek, Vlastimil; Šikola, Tomáš (Springer Nature, 2018-06-25)
    We present a comparative study of plasmonic antennas fabricated by electron beam lithography and direct focused ion beam milling. We have investigated optical and structural properties and chemical composition of gold ...

  • Fabrication of Magnetic Nanostructures on Silicon Nitride Membranes for Magnetic Vortex Studies Using Transmission Microscopy Techniques 

    Dhankhar, Meena; Vaňatka, Marek; Urbánek, Michal (MyJove Corp., 2018-07-02)
    Electron and x-ray magnetic microscopies allow for high-resolution magnetic imaging down to tens of nanometers. However, the samples need to be prepared on transparent membranes which are very fragile and difficult to ...

  • Bismuth Oxychloride Nanoplatelets by Breakdown Anodization 

    Sopha, Hanna Ingrid; Spotz, Zdeněk; Michalička, Jan; Hromádko, Luděk; Bulánek, Roman; Wágner, Tomáš; Macák, Jan (Wiley-VCH Verlag, 2019-01-18)
    Herein, the synthesis of BiOCl nanoplatelets of various dimensions is demonstrated. These materials were prepared by anodic oxidation of Bi ingots in diluted HCl under dielectric breakdown conditions, triggered by a ...

  • The growth of metastable fcc Fe78Ni22 thin films on H-Si(100) substrates suitable for focused ion beam direct magnetic patterning 

    Gloss, Jonáš; Horký, Michal; Křižáková, Viola; Flajšman, Lukáš; Schmid, Michael; Urbánek, Michal; Varga, Peter (Elsevier, 2019-03-01)
    We have studied the growth of metastable face-centered-cubic, non-magnetic Fe78Ni22 thin films on silicon substrates. These films undergo a magnetic (paramagnetic to ferromagnetic) and structural (fcc to bcc) phase ...

  • Self-supported sulphurized TiO2nanotube layers as positive electrodes forlithium microbatteries 

    Salian, Girish D.; Krbal, Miloš; Sopha, Hanna Ingrid; Lebouin, Chrystelle; Coulet, Marie-Vanessa; Michalička, Jan; Hromádko, Luděk; Tesfaye, Alexandr T.; Macák, Jan; Djenizian, Thierry (Elsevier, 2019-09-01)
    We report the synthesis and characterization of self-supported sulphurized TiO2 nanotube layers as a cathode material for Li microbatteries. Sulphurized TiO2 nanotubes were obtained by annealing of selfsupported TiO2 ...

  • ALD growth of MoS2 nanosheets on TiO2 nanotube supports 

    Sopha, Hanna Ingrid; Tesfaye, Alexandr T.; Zazpe Mendioroz, Raúl; Michalička, Jan; Dvořák, Filip; Hromádko, Luděk; Krbal, Miloš; Přikryl, Jan; Djenizian, Thierry; Macák, Jan (Elsevier, 2019-09-01)
    Two-dimensional MoS2 nanostructures are highly interesting and effective in a number of energy-related applications. In this work, the synthesis of ultra-thin MoS2 nanosheets produced by the thermal Atomic Layer Deposition ...

  • Limits of Babinet’s principle for solid and hollow plasmonic antennas 

    Horák, Michal; Křápek, Vlastimil; Hrtoň, Martin; Konečná, Andrea; Ligmajer, Filip; Stöger-Pollach, Michael; Šamořil, Tomáš; Paták, Aleš; Édes, Zoltán; Metelka, Ondřej; Babocký, Jiří; Šikola, Tomáš (Springer Nature, 2019-12-01)
    We present an experimental and theoretical study of Babinet’s principle of complementarity in plasmonics.We have used spatially-resolved electron energy loss spectroscopy and cathodoluminescence to investigate electromagnetic ...

  • Plasma Surface Polymerized and Biomarker Conjugated Boron Nitride Nanoparticles for Cancer-Specific Therapy: Experimental and Theoretical Study 

    Permyakova, Elizaveta; Antipina, Liubov Yu.; Kiryukhantsev-Korneev, Philip; Kovalskii, Andrey; Polčák, Josef; Manakhov, Anton; Gudz, Kristina Yu.; Sorokin, Pavel B.; Shtansky, Dmitry V. (MDPI, 2019-12-01)
    A new low-pressure plasma-based approach to activate the surface of BN nanoparticles (BNNPs) in order to facilitate the attachment of folate acid (FA) molecules for cancer-specific therapy is described. Plasma treatment ...

  • Comparison of Different Approaches to Surface Functionalization of Biodegradable Polycaprolactone Scaffolds 

    Permyakova, Elizaveta; Kiryukhantsev-Korneev, Philip; Gudz, Kristina Yu.; Konopatsky, Anton S.; Polčák, Josef; Zhitnyak, I.Y.; Gloushankova, Natalia A.; Shtansky, Dmitry V.; Manakhov, Anton (MDPI, 2019-12-01)
    Due to their good mechanical stability compared to gelatin, collagen or polyethylene glycol nanofibers and slow degradation rate, biodegradable poly-epsilon-caprolactone (PCL) nanofibers are promising material as scaffolds ...

  • TiO2 Nanotube Layers Decorated with Al2O3/MoS2/Al2O3 as Anode for Li-ion Microbatteries with Enhanced Cycling Stability 

    Tesfaye, Alexandr T.; Sopha, Hanna Ingrid; Ayobi, Angela; Zazpe Mendioroz, Raúl; Rodriguez-Pereira, Jhonatan; Michalička, Jan; Hromádko, Luděk; Ng, Siow Woon; Spotz, Zdeněk; Přikryl, Jan; Macák, Jan; Djenizian, Thierry (MDPI, 2020-05-01)
    TiO2 nanotube layers (TNTs) decorated with Al2O3/MoS2/Al2O3 are investigated as a negative electrode for 3D Li-ion microbatteries. Homogenous nanosheets decoration of MoS2, sandwiched between Al2O3 coatings within ...

  • Atomic Layer Deposition of MoSe2 Using New Selenium Precursors 

    Zazpe Mendioroz, Raúl; Charvot, Jaroslav; Krumpolec, Richard; Hromádko, Luděk; Pavliňák, David; Dvořák, Filip; Knotek, Petr; Michalička, Jan; Přikryl, Jan; Ng, Siow Woon; Jelínková, Veronika; Bureš, Filip; Macák, Jan (Elsevier, 2020-05-01)
    Among the emerging 2D materials, transition metal chalcogenides are particularly encouraging as alternative semiconducting graphene-like nanomaterial. Recently, 2D MoSe2 has been gaining interest due to its intriguing ...

  • Laser-induced crystallization of anodic TiO(2)nanotube layers 

    Sopha, Hanna Ingrid; Mirza, Inam; Turčičová, Hana; Pavliňák, David; Michalička, Jan; Krbal, Miloš; Rodriguez Pereira, Jhonatan; Hromádko, Luděk; Novák, Ondřej; Mužík, Jiří; Smrž, Martin; Kolíbalová, Eva; Goodfriend, Nathan; Bulgakova, Nadezhda; Mocek, Tomáš; Macák, Jan (Royal Society of Chemistry, 2020-06-09)
    In this study, crystallization of amorphous TiO(2)nanotube (TNT) layers upon optimized laser annealing is shown. The resulting anatase TNT layers do not show any signs of deformation or melting. The crystallinity of the ...

  • Thin TiO2Coatings by ALD Enhance the Cell Growth on TiO2Nanotubular and Flat Substrates 

    Motola, Martin; Čapek, Jan; Zazpe Mendioroz, Raúl; Bačová, Jana; Hromádko, Luděk; Brůčková, Lenka; Ng, Siow Woon; Handl, Jiří; Spotz, Zdeněk; Knotek, Petr; Baishya, Kaushik; Majtnerová, Pavlína; Přikryl, Jan; Sopha, Hanna Ingrid; Roušar, Tomáš; Macák, Jan (American Chemical Society, 2020-09-21)
    The present work exploits Ti sheets and TiO2 nanotube (TNT) layers and their surface modifications for the proliferation of different cells. Ti sheets with a native oxide layer, Ti sheets with a crystalline thermal oxide ...

  • Anodic formation and SEM characterization of zirconium oxide nanostructured films 

    Kamnev, Kirill; Prášek, Jan; Mozalev, Alexander (Tanger, 2020-10-01)
    Zirconium oxide (ZrO2) is a widely utilized inorganic material with excellent dielectric, optical, and biocompatible characteristics. The properties and areas of the ZrO2 applications can be further broadened by making the ...

  • Surface Modification and Enhancement of Ferromagnetism in BiFeO3 Nanofilms Deposited on HOPG 

    Ramazanov, Shihgasan; Sobola, Dinara; Orudzhev, Farid; Knápek, Alexandr; Polčák, Josef; Potoček, Michal; Kaspar, Pavel; Dallaev, Rashid (MDPI, 2020-10-09)
    BiFeO3 (BFO) films on highly oriented pyrolytic graphite (HOPG) substrate were obtained by the atomic layer deposition (ALD) method. The oxidation of HOPG leads to the formation of bubble regions creating defective regions ...