• Apparatus for dosing liquid water in ultrahigh vacuum 

  Balajka, Jan; Pavelec, Jiří; Komora, Mojmír; Schmid, Michael; Diebold, Ulrike (AIP Publishing, 2018-08-30)

  The structure of the solid-liquid interface often defines the function and performance of materials in applications. To study this interface at the atomic scale, we extended an ultrahigh vacuum (UHV) surface-science chamber ...

• Influence of compound twinning on Young's moduli in NiTi martensite 

  Šesták, Petr; Černý, Miroslav; Pokluda, Jaroslav (EDP Sciences, 2009-09-07)

  NiTi shape memory alloy has been widely used in many engineering applications (e.g. mechatronic devices, medical tools, seismic sensors etc.). In this work, the Young's moduli of twinned NiTi martensite in selected ...

• Nanoscale Estimation of Coating Thickness on Substrates via Standardless BSE Detector Calibration 

  Skoupý, Radim; Fořt, Tomáš; Krzyžánek, Vladislav (MDPI, 2020-02-15)

  The thickness of electron transparent samples can be measured in an electron microscope using several imaging techniques like electron energy loss spectroscopy (EELS) or quantitative scanning transmission electron microscopy ...

• Low-energy electron microscopy of graphene outside UHV: electron-induced removal of PMMA residues used for graphene transfer 

  Materna Mikmeková, Eliška; Müllerová, Ilona; Frank, Luděk; Polčák, Josef; Sluyterman, Seyno; Lejeune, Michaël; Konvalina, Ivo (Elsevier, 2020-05-01)

  Two-dimensional materials, such as graphene, are usually prepared by chemical vapor deposition (CVD) on selected substrates, and their transfer is completed with a supporting layer, mostly polymethyl methacrylate (PMMA). ...

• Calcium and fluorine signals in HS-LEIS for CaF2(111) and powder-Quantification of atomic surface concentrations using LiF(001), Ca, and Cu references 

  Průša, Stanislav; Bábík, Pavel; Mach, Jindřich; Strapko, Tomáš; Šikola, Tomáš; Brongersma, Hidde H. (AIP Publishing, 2020-12-01)

  The powder of CaF2 has been proposed as a practical reference for the quantitation of Ca and F in low energy ion scattering (LEIS) analysis. It is chemically inert, easy to clean, and inexpensive. LEIS is extremely surface ...

• High-Resolution Quantitative Phase Imaging of Plasmonic Metasurfaces with Sensitivity down to a Single Nanoantenna 

  Bouchal, Petr; Dvořák, Petr; Babocký, Jiří; Bouchal, Zdeněk; Ligmajer, Filip; Hrtoň, Martin; Křápek, Vlastimil; Faßbender, Alexander; Linden, Stefan; Chmelík, Radim; Šikola, Tomáš (American Chemical Society, 2019-01-02)

  Optical metasurfaces have emerged as a new generation of building blocks for multifunctional optics. Design and realization of metasurface elements place everincreasing demands on accurate assessment of phase alterations ...

• Plasmonic Antennas with Electric, Magnetic, and Electromagnetic Hot Spots Based on Babinet's Principle 

  Hrtoň, Martin; Konečná, Andrea; Horák, Michal; Šikola, Tomáš; Křápek, Vlastimil (American Physical Society, 2020-05-19)

  We theoretically study plasmonic antennas featuring areas of extremely concentrated electric or magnetic field, known as hot spots. We combine two types of electric-magnetic complementarity to increase the degree of freedom ...

• Imaging of Electric and Magnetic Near Field 

  Horák, Michal; Křápek, Vlastimil; Šikola, Tomáš (Wiley, 2020-07-10)

  Localized surface plasmon resonances are self-sustained collective oscillations of free electrons in metallic nanostructures. We have demonstrated the possibility to map their electric and magnetic near field by electron ...

• Structural and optical properties of monocrystalline and polycrystalline gold plasmonic nanorods 

  Kejík, Lukáš; Horák, Michal; Šikola, Tomáš; Křápek, Vlastimil (The Optical Society, 2020-11-03)

  The quality of lithographically prepared structures is intimately related to the properties of the metal film from which they are fabricated. Here we compare two kinds of thin gold films on a silicon nitride membrane: a ...

• 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 ...

• Magnetization reversal and confinement effects across the metamagnetic phase transition in mesoscale FeRh structures 

  Arregi Uribeetxebarria, Jon Ander; Horký, Michal; Fabianová, Kateřina; Tolley, Robert; Fullerton, E.E.; Uhlíř, Vojtěch (IOP PUBLISHING LTD, 2018-03-14)

  The effects of mesoscale confinement on the metamagnetic behavior of lithographically patterned FeRh structures are investigated via Kerr microscopy. Combining the temperatureand field-dependent magnetization reversal of ...

• Complex k-uniform tilings by a simple bitopic precursor self-assembled on Ag(001) surface 

  Kormoš, Lukáš; Procházka, Pavel; Makoveev, Anton Olegovich; Čechal, Jan (Springer Nature, 2020-12-01)

  The realization of complex long-range ordered structures in a Euclidean plane presents a significant challenge en route to the utilization of their unique physical and chemical properties. Recent progress in on-surface ...

• Wear of grinding rotors with thermally-sprayed coatings in a high-speed mill 

  Tkachenko, Serhii; Dvořák, Karel; Jech, David; Slámečka, Karel; Klakurková, Lenka; Paloušek, David; Čelko, Ladislav (Elsevier, 2018-10-15)

  In this paper, the erosion behavior of three types of protective thermally-sprayed coatings and non-coated substrate steel was investigated under semi-industrial test conditions using a laboratory high-speed pin mill DESI-11. ...

• Influence of experimental conditions on localized surface plasmon resonances measurement by electron energy loss spectroscopy 

  Horák, Michal; Šikola, Tomáš (Elsevier, 2020-09-01)

  Scanning transmission electron microscopy (STEM) combined with electron energy loss spectroscopy (EELS) has become a standard technique to map localized surface plasmon resonances with a nanometer spatial and a sufficient ...

• Chk1 inhibition significantly potentiates activity of nucleoside analogs in TP53-mutated B-lymphoid cells 

  Zemanová, Jana; Hylse, Ondřej; Čolláková, Jana; Veselý, Pavel; Oltová, Alexandra; Borský, Marek; Zápražná, Kristína; Kašpárková, Marie; Janovská, Pavlína; Verner, Jan; Kohoutek, Jiří; Dzimková, Marta; Bryja, Vítězslav; Jašková, Zuzana; Brychtová, Yvona; Paruch, Kamil; Trbušek, Martin (Impact Journals, 2016-08-19)

  Treatment options for TP53-mutated lymphoid tumors are very limited. In experimental models, TP53-mutated lymphomas were sensitive to direct inhibition of checkpoint kinase 1 (Chk1), a pivotal regulator of replication. We ...

• The adhesion of normal human dermal fibroblasts to the cyclopropylamine plasma polymers studied by holographic microscopy 

  Štrbková, Lenka; Manakhov, Anton; Zajíčková, Lenka; Stoica, Adrian; Veselý, Pavel; Chmelík, Radim (Elsevier B.V., 2016-06-15)

  The understanding of cell–surface interactions plays an important role for the biomaterials development and bioengineering. Although it is already known that amine groups increase the cell adhesion and proliferation, the ...

• Neurovascular Network Explorer 2.0: A Database of 2-Photon Single Vessel Diameter Measurements from Mouse SI Cortexin Response To Optogenetic Stimulation 

  Uhlířová, Hana; Peifang, Tiam; Kilic, Kivilcim; Thunemann, Martin; Sridhar, Vishnu B.; Bartsch, Hauke; Dale, Anders M.; Devor, Anna; Saisan, Payam A. (Frontiers, 2017-02-01)

  Here, we present a novel database containing 2-photon data from our recently published experimental study (Uhlirova et al., 2016a) and a second generation of our GUI-based software engine that we call NNE 2.0. The data, ...

• Non-destructive lock-picking of a historical treasure chest by means of X-ray computed tomography 

  Zikmundová, Eva; Zikmund, Tomáš; Sládek, Vladimír; Kaiser, Jozef (PLOS, 2020-07-06)

  An innovative approach to a non-destructive lock mechanism examination by means of X-ray computed tomography (CT) was involved in a careful opening of a locked 19(th)century chest missing the key, as an interdisciplinary ...

• Catalyst–substrate interaction and growth delay in vapor–liquid–solid nanowire growth 

  Kolíbal, Miroslav; Pejchal, Tomáš; Musálek, Tomáš; Šikola, Tomáš (IOP Publishing, 2018-03-26)

  Understanding of the initial stage of nanowire growth on a bulk substrate is crucial for the rational design of nanowire building blocks in future electronic and optoelectronic devices. Here, we provide in situ scanning ...

• Dual Targeting of BRAF and mTOR Signaling in Melanoma Cells with Pyridinyl Imidazole Compounds 

  Palušová, Veronika; Renzová, Tereza; Verlande, Amandine; Vaclová, Tereza; Medková, Michaela; Cetlová, Linda; Sedláčková, Miroslava; Hříbková, Hana; Slaninová, Iva; Krutá, Miriama; Rotrekl, Vladimír; Uhlířová, Hana; Křížová, Aneta; Chmelík, Radim; Veselý, Pavel; Krafčíková, Michaela; Trantírek, Lukáš; Schink, Kay Oliver; Uldrijan, Stjepan (MDPI, 2020-06-01)

  BRAF inhibitors can delay the progression of metastatic melanoma, but resistance usually emerges, leading to relapse. Drugs simultaneously targeting two or more pathways essential for cancer growth could slow or prevent ...

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