Now showing items 1-14 of 14

  • Aluminum Nitride Nanofilms by Atomic Layer Deposition Using Alternative Precursors Hydrazinium Chloride and Triisobutylaluminum 

    Dallaev, Rashid; Sobola, Dinara; Tofel, Pavel; Škvarenina, Ľubomír; Sedlák, Petr (MDPI, 2020-10-03)
    The aim of this study is motivated by the pursuit to investigate the performance of new and as yet untested precursors such as hydrazinium chloride (N2H5Cl) and triisobutylaluminum Al(C4H9)3 in the AlN atomic layer deposition ...
  • 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 ...
  • Characterization Of Aln Thin Films Deposited On Thermally Processed Silicon Substrates Using Pe-Ald 

    Dallaev, Rashid (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2019)
    The aim of this work is to study topography and chemical composition of AlN thin films deposited on Si substrates previously exposed to various time of thermal processing using plasma-enhanced atomic layer deposition ...
  • Characterization of GaAs Solar Cells under Supercontinuum Long-Time Illumination 

    Papež, Nikola; Dallaev, Rashid; Kaspar, Pavel; Sobola, Dinara; Škarvada, Pavel; Ţălu, Ştefan; Ramazanov, Shikhgasan; Nebojsa, Alois (MDPI, 2021-01-19)
    This work is dedicated to the description of the degradation of GaAs solar cells under continuous laser irradiation. Constant and strong exposure of the solar cell was performed over two months. Time-dependent electrical ...
  • Characterization of nanoblisters on HOPG surface 

    Sobola, Dinara; Papež, Nikola; Dallaev, Rashid; Ramazanov, Shihgasan; Hemzal, Dušan; Holcman, Vladimír (De Gruyter OPEN, 2019-08-07)
    We report on influence of the surface functionalization on the properties of highly oriented pyrolytic graphite. The samples were processed in nitric acid and characterized by XPS, Raman and EDX spectroscopies, AFM, SEM ...
  • Characterization of Polyvinylidene Fluoride (PVDF) Electrospun Fibers Doped by Carbon Flakes 

    Kaspar, Pavel; Sobola, Dinara; Částková, Klára; Knápek, Alexandr; Burda, Daniel; Orudzhev, Farid; Dallaev, Rashid; Tofel, Pavel; Trčka, Tomáš; Grmela, Lubomír; Hadaš, Zdeněk (MDPI, 2020-11-24)
    Polyvinylidene fluoride (PVDF) is a modern polymer material used in a wide variety of ways. Thanks to its excellent resistance to chemical or thermal degradation and low reactivity, it finds use in biology, chemistry, and ...
  • Charakterizace vlastností materiálu PVDF v nanoměřítku 

    Pisarenko, Tatiana
    Tato práce se zabývá charakterizací nanovláken na bázi polyvinylidenfluoridu. Zaměření práce je na piezoelektrické vlastnosti vlákna, které jsou studovány metodou piezoelektrické silové mikroskopie. Takto byly měřeny dva ...
  • Field emission properties of polymer graphite tips prepared by membrane electrochemical etching 

    Knápek, Alexandr; Dallaev, Rashid; Burda, Daniel; Sobola, Dinara; Allaham, Mohammad; Horáček, Miroslav; Kaspar, Pavel; Matějka, Milan; Mousa, Marwan (MDPI, 2020-07-01)
    This paper investigates field emission behavior from the surface of a tip that was prepared from polymer graphite nanocomposites subjected to electrochemical etching. The essence of the tip preparation is to create a ...
  • Investigation of structure of AlN thin films using Fourier-transform infrared spectroscopy 

    Dallaev, Rashid; Papež, Nikola; Sobola, Dinara; Ramazanov, Shihgasan; Sedlák, Petr (Elsevier, 2020-02-19)
    This study focuses on structural imperfections caused by hydrogen impurities in AlN thin films obtained using atomic layer deposition method (ALD). Currently, there is a severe lack of studies regarding the presence of ...
  • Microstructural investigation of defects in photovoltaic cells by the electron beam-induced current method 

    Papež, Nikola; Dallaev, Rashid; Sobola, Dinara; Macků, Robert; Škarvada, Pavel (Elsevier, 2020-02-19)
    This work aims to clarify the application of electron beam-induced current (EBIC) method for the morphological analysis and detection of local defects and impurities in semiconductor structures such as solar cells. One of ...
  • Obtaining Thin Films Of Aln By Atomic Layer Deposition Using Nh3 Or N2h4 As Precursors 

    Dallaev, Rashid (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2018)
    In this work we used atomic layer deposition (ALD) method to obtain thin films of AlN using tris(diethylamido)aluminum (III) (TDEAA) with hydrazine (N2H4) or ammonia (NH3) as precursors. Elemental analysis of the film ...
  • Structural Charachterization Of Aln Thin Films Obtained On Silicon Surface By Pe-Ald 

    Dallaev, Rashid (Vysoké učení technické v Brně, Fakulta elektrotechniky a komunikačních technologií, 2020)
    The aim of this study is to investigate the hydrogen impregnations in AlN thin films deposited using plasma-enhanced atomic layer deposition technique. As of date, there is an apparent gap in the literature regarding the ...
  • Strukturální a elektrické vlastnosti PVDF-CNT kompozitu 

    Misiurev, Denis
    Electrospininig se osvědčil jako jeden z nejpopulárnějších a nejrozšířenějších způsobů výroby vysoce kvalitních vláken s požadovanými parametry. Kvalita a morfologie vyráběných vláken závisí na mnoha parametrů, jako je ...
  • 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 ...