Search Results - "Breza Juraj"

Utilization of catalytically active metals in mining waste and water for synthesis of carbon nanotubes by Kadlečíková, Magdaléna, Breza, Juraj, Jesenák, Karol, Hubeňák, Michal, Raditschová, Jana, Bálintová, Magdaléna

“…This study presents the application of fine-grained precipitates from mine waters for the synthesis of carbon nanotubes. Experimental synthesis of carbon…”
Get full text

Capacitance properties and simulation of the AlGaN/GaN Schottky heterostructure by HARMATHA, Ladislav, STUCHLIKOVA, Lubica, RACKO, Juraj, MAREK, Juraj, PECHACEK, Juraj, BENKO, Peter, NEMEC, Michal, BREZA, Juraj

“…The paper presents the results of capacitance measurements on GaN/AlGaN/GaN Schottky heterostructures grown on an Al2O3 substrate by Low-Pressure Metal-Organic…”
Get full text

Trap-assisted tunnelling current in MIM structures by Racko Juraj, Mikolášek Miroslav, Granzner Ralf, Breza Juraj, Donoval Daniel, Grmanová Alena, Harmatha Ladislav, Schwierz Frank, Fröhlich Karol

Get full text

Simulation of Electrical Parameters for Ru/Ta2O5/SiO2/Si(p) High-k MOS Structure by Racko, Juraj, Harmatha, Ladislav, Breza, Juraj, Benko, Peter, Donoval, Daniel

“…The contribution presents the results of simulation of direct tunnelling of free charge carriers through a thin gateinsulator in MOS structures consisting of a…”
Get full text

Potentiostatic electrodeposition under light irradiation for preparation of highly photoactive Cu2O for water splitting applications by Mikolasek, Miroslav, Ondrejka, Peter, Chymo, Filip, Novak, Patrik, Pavuk, Milan, Novotny, Ivan, Rehacek, Vlastimil, Breza, Juraj, Vincze, Andrej, Hotovy, Ivan

“…•Potentiostatic electrodeposition under light is proposed for fabrication of Cu2O.•Better carrier collection due to larger grain size expected for light…”
Get full text

Vertical current transport processes in MOS-HEMT heterostructures by Racko, Juraj, Lalinský, Tibor, Mikolášek, Miroslav, Benko, Peter, Thiele, Sebastian, Schwierz, Frank, Breza, Juraj

“…[Display omitted] •Introduction of integral electron trap-assisted and direct tunnelling transport velocities for thin oxide layers.•Calculation of the applied…”
Get full text

A study of catalyst particles encapsulated inside multiwalled carbon nanotubes on zeolite and montmorillonite by Kadlečíková, Magdaléna, Breza, Juraj, Dekan, Július, Jesenák, Karol, Vančo, Ľubomír, Bédiová, Katarína

“…Synthesis of carbon nanotubes on zeolite and montmorillonite is presented. Prior to synthesis, minerals were enriched by particles of iron. Synthesis of carbon…”
Get full text

Simulation of real I-V characteristics of metal/GaN/AlGaN heterostructure based on the 12-EXT model of trap-assisted tunnelling by Racko, Juraj, Benko, Peter, Mikolášek, Miroslav, Granzner, Ralf, Kittler, Mario, Schwierz, Frank, Harmatha, Ladislav, Breza, Juraj

“…•A model of trap-assisted tunnelling in heterostructures was developed and combined with a model of direct tunnelling.•The effect of Al distribution in the…”
Get full text

Raman spectroscopy of silicon with nanostructured surface by Kadlečíková, Magdaléna, Vančo, Ľubomír, Breza, Juraj, Mikolášek, Miroslav, Hušeková, Kristína, Fröhlich, Karol, Procel, Paul, Zeman, Miro, Isabella, Olindo

“…We compared the morphology and Raman response of nanoscale shaped surfaces of Si substrates versus monocrystalline Si. Samples were structured by reactive ion…”
Get full text

Properties of the Si-SiO2 Interfaces in MOS Structures with Nitrogen Doped Silicon by Harmatha, Ladislav, Ballo, Peter, Breza, Juraj, Pisecny, Pavol, Tapajna, Milan

“…The article presents the results of capacitance measurements on MOS structures with a silicon substrate that wasdoped by nitrogen during the growth of the…”
Get full text

Raman spectroscopy of porous silicon substrates by Kadlečíková, Magdaléna, Breza, Juraj, Vančo, Ľubomír, Mikolášek, Miroslav, Hubeňák, Michal, Racko, Juraj, Greguš, Ján

“…We have investigated the effect of the etching time on the Raman spectra of porous silicon prepared by anodic etching. Electrochemical destruction of the…”
Get full text

Interference enhancement in SERS spectra of rhodamine 6G: Relation to reflectance by Vančo, Ľubomír, Kadlečíková, Magdaléna, Breza, Juraj, Vojs, Marian, Michniak, Pavol, Marton, Marián

“…•Active substrates for SERS were prepared by evaporating a discontinuous silver layer on multilayered Si/SiO2 structures.•The structures behaved as Fabry-Pérot…”
Get full text

A model of trap-assisted tunneling in GaN/AlGaN/GaN heterostructure based on exchange times by RACKO, Juraj, BENKO, Peter, HOTOVY, Ivan, HARMATHA, Ladislav, MIKOLASEK, Miroslav, GRANZNER, Ralf, KITTLER, Mario, SCHWIERZ, Frank, BREZA, Juraj

“…The work presents a physical model of trap-assisted tunneling that can quantitatively determine the effect of traps upon the total current through a…”
Get full text

The role of smart grid in integrating the renewable energies in Slovakia by Janíček, František, Perný, Milan, Šály, Vladimír, Váry, Michal, Breza, Juraj, Chochol, Peter

“…Implementation of renewable energy sources into the electric network is one of the current essential requirements. The process is assumed to be assisted by…”
Get full text

Capacitance study of carrier inversion at the amorphous/crystalline silicon heterojunction passivated by different thicknesses of i-layer by MIKOLASEK, Miroslav, STUCHLIKOVA, Lubica, HARMATHA, Ladislav, VINCZE, Andrej, NEMEC, Michal, RACKO, Juraj, BREZA, Juraj

“…The paper deals with the diagnostics of structures containing a heterojunction of amorphous and crystalline silicon representing the key part of the silicon…”
Get full text

Raman mapping as a tool for discrimination of blue writing inks and their cross lines by Vančo, Ľubomír, Kadlečíková, Magdaléna, Breza, Juraj, Belányiová, Eva, Michniak, Pavol, Reháková, Milena, Čeppan, Michal

“…We examined surface enhanced Raman maps of blue writing inks received from commercially available refills and deposited on a rigid silver-nanocrystalline…”
Get full text

Study of thorium advanced fuel cycle utilization in light water reactor VVER-440 by Breza, Juraj, Dařílek, Petr, Nečas, Vladimír

“…The first step in investigation of thorium fuel is evaluation of the results obtained from the spectral code for this type of fuel. The benchmark summarized by…”
Get full text

Interference enhanced first-order Raman band of monocrystalline silicon by Vančo, Ľubomír, Kadlečíková, Magdaléna, Breza, Juraj, Škriniarová, Jaroslava, Hronec, Pavol

“…In the present study we discuss how excitation and Raman scattered wave interference enhances the intensity of the dominant Raman band of silicon (520.7 cm–1)…”
Get full text

Examining the ground layer of St. Anthony from Padua 19th century oil painting by Raman spectroscopy, scanning electron microscopy and X-ray diffraction by Vančo, Ľubomír, Kadlečíková, Magdaléna, Breza, Juraj, Čaplovič, Ľubomír, Gregor, Miloš

“…► Raman spectroscopic examination of uncovered and covered paint layers of a real painting. ► Deconvolution of Raman peaks of lead white. ► Comparison of…”
Get full text

The layers of carbon nanomaterials as the base of ohmic contacts to p-GaN by LIDAY, Jozef, VOGRINCIC, Peter, VRETENAR, Viliam, KOTLAR, Mário, MARTON, Marián, VAVRA, Ivo, HOTOVY, Ivan, BREZA, Juraj, REHACEK, Vlastimil

“…We have examined new structures for ohmic contacts to p-GaN, mainly for applications in light emitting devices, based on a layer of single-walled carbon…”
Get full text