Attila Sulyok
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View article: Highly oriented pyrolytic graphite chemical bonding structure after gallium implantation
Highly oriented pyrolytic graphite chemical bonding structure after gallium implantation Open
View article: Characterisation of Titanium-Oxide Thin Films for Efficient pH Sensing in Low-Power Electrochemical Systems
Characterisation of Titanium-Oxide Thin Films for Efficient pH Sensing in Low-Power Electrochemical Systems Open
A compact electrochemical sensor module for pH detection was developed for potential integration into specialized devices used for live cell or tissue incubation, for applications in highly parallelized cell culture analysis, by incorporat…
View article: Effects of Sulfurization on the Properties of 4H-SiC Schottky Contacts
Effects of Sulfurization on the Properties of 4H-SiC Schottky Contacts Open
This paper reports on the effect of a sulfurization thermal process of the silicon carbide surface on the properties of Ni/4H-SiC Schottky barrier. In particular, the incorporation of sulfur (S) in the 4H-SiC near-surface region was observ…
View article: Photoassisted Chemical Transformation of Cu <sub>2</sub> O Nanooctahedra into Cu <sub>2</sub> S Quantum-Dot Superstructures: Structural and Photoelectrochemical Properties
Photoassisted Chemical Transformation of Cu <sub>2</sub> O Nanooctahedra into Cu <sub>2</sub> S Quantum-Dot Superstructures: Structural and Photoelectrochemical Properties Open
Copper sulfides represent a broad range of chemical compounds, including naturally occurring minerals and wet-chemically synthesized nanoparticles. Tailoring the size, shape, and chemical composition of Cu2‑x S nanopartic…
View article: Structural characterization of uranium and lanthanide loaded borosilicate glass matrix
Structural characterization of uranium and lanthanide loaded borosilicate glass matrix Open
Borosilicate glass is a potential candidate for high-level radioactive waste conditioning, thus understanding the effects caused by the combined presence of uranium and actinides within these matrices is of great importance. The glass matr…
View article: Non-Stoichiometric Titanium-Oxide Gate Electrodes for EGFET Based pH Sensors
Non-Stoichiometric Titanium-Oxide Gate Electrodes for EGFET Based pH Sensors Open
A compact pH measuring electrochemical sensor module was developed for Smart Multi-Well Plates (SMWP) applicable for highly parallelized cell culture analysis using incorporated Organ-on-Chip devices. A specific electronic architecture was…
View article: Schottky contacts on sulfurized silicon carbide (4H-SiC) surface
Schottky contacts on sulfurized silicon carbide (4H-SiC) surface Open
In this Letter, the effect of a sulfurization treatment carried out at 800 °C on silicon carbide (4H-SiC) surface was studied by detailed chemical, morphological, and electrical analyses. In particular, x-ray photoelectron spectroscopy con…
View article: Structural Control Enables Catalytic and Electrocatalytic Activity of Porous Tetrametallic Nanorods
Structural Control Enables Catalytic and Electrocatalytic Activity of Porous Tetrametallic Nanorods Open
Integrating more than one type of metal into a nanoparticle that has a well‐defined morphology and composition expands the functionalities of nanocatalysts. For a metal core/porous multimetallic shell nanoparticle, the availability of cata…
View article: Glass/steel/clay interactions in a simulated radioactive waste geological disposal system
Glass/steel/clay interactions in a simulated radioactive waste geological disposal system Open
Deep geological storage is the accepted solution for the final disposal of high-level radioactive waste therefore, it is necessary to study the host rock of the planned Hungarian waste repository and the materials involved in the engineere…
View article: Reactive Sputter Deposition of Ga2O3 Thin Films Using Liquid Ga Target
Reactive Sputter Deposition of Ga2O3 Thin Films Using Liquid Ga Target Open
Ga2O3 is a promising material in the optoelectronics and semiconductor industry. In this work, gallium oxide thin films were deposited via radio frequency (RF) sputtering, using a liquid Ga target. The reactive sputtering was carried out u…
View article: A modified plasma immersed solid-phase impurity assisted doping geometry for the creation of highly fluorescent CVD nanodiamond
A modified plasma immersed solid-phase impurity assisted doping geometry for the creation of highly fluorescent CVD nanodiamond Open
In this work, we report on a simple and easy to realize doping geometry by which the color center formation efficiency can be improved significantly in nanocrystalline diamond structures during solid impurity source-assisted microwave plas…
View article: Position of Gold Dictates the Photophysical and Photocatalytic Properties of Cu2O in Cu2O/Au Multicomponent Nanoparticles
Position of Gold Dictates the Photophysical and Photocatalytic Properties of Cu2O in Cu2O/Au Multicomponent Nanoparticles Open
Utilizing solar radiation for driving chemical reactions has been of great interest in the last decade. Although Cu2O nanocrystals as a low-cost, abundant, and tailorable photocatalyst are promising candidates to provide a platform for sol…
View article: In-situ formation of Ag nanoparticles in the MAO coating during the processing of cp-Ti
In-situ formation of Ag nanoparticles in the MAO coating during the processing of cp-Ti Open
View article: Position of gold dictates the photophysical and photocatalytic properties of Cu <sub>2</sub> O in Cu <sub>2</sub> O/Au multicomponent nanoparticles
Position of gold dictates the photophysical and photocatalytic properties of Cu <sub>2</sub> O in Cu <sub>2</sub> O/Au multicomponent nanoparticles Open
Decorating Cu 2 O nanooctahedra with small Au nanograins is a superior strategy to utilize photogenerated charge carriers without generating hot electrons. Photocatalytic activity in these heteronanoparticles is improved even upon low-powe…
View article: Investigation of the Tetrakis(dimethylamino)hafnium and H2S ALD Process: Effects of Deposition Temperature and Annealing
Investigation of the Tetrakis(dimethylamino)hafnium and H2S ALD Process: Effects of Deposition Temperature and Annealing Open
HfS2 has recently emerged as a promising 2D semiconductor, but the lack of a reliable method to produce continuous films on a large scale has hindered its spreading. The atomic layer deposition of the material with the precursor tetrakis-d…
View article: Analysis of structural and chemical inhomogeneity of thin films developed on ferrite grains by color etching with Beraha-I type etchant with spectroscopic ellipsometry and XPS
Analysis of structural and chemical inhomogeneity of thin films developed on ferrite grains by color etching with Beraha-I type etchant with spectroscopic ellipsometry and XPS Open
View article: Multiscale Investigation of the Structural, Electrical and Photoluminescence Properties of MoS2 Obtained by MoO3 Sulfurization
Multiscale Investigation of the Structural, Electrical and Photoluminescence Properties of MoS2 Obtained by MoO3 Sulfurization Open
In this paper, we report a multiscale investigation of the compositional, morphological, structural, electrical, and optical emission properties of 2H-MoS2 obtained by sulfurization at 800 °C of very thin MoO3 films (with thickness ranging…
View article: Preparation and morphological investigation on bioactive ion-modified carbonated hydroxyapatite-biopolymer composite ceramics as coatings for orthopaedic implants
Preparation and morphological investigation on bioactive ion-modified carbonated hydroxyapatite-biopolymer composite ceramics as coatings for orthopaedic implants Open
Bioactive ions (Mg, Sr, Zn) doped carbonated hydroxyapatite powders (dHAp) and pure carbonated hydroxyapatite (HAp) powders were prepared by wet chemical precipitation method. The bioactive ions were incorporated into the HAp matrix by co-…
View article: Effect of Silver Modification on the Photoactivity of Titania Coatings with Different Pore Structures
Effect of Silver Modification on the Photoactivity of Titania Coatings with Different Pore Structures Open
Nanostructured photoactive systems are promising for applications such as air and water purification, including self-cleaning coatings. In this study, mesoporous TiO2 sol-gel coatings with different pore structures were prepared and modifi…
View article: Tuning the nanoscale rippling of graphene with PEGylated gold nanoparticles and ion irradiation
Tuning the nanoscale rippling of graphene with PEGylated gold nanoparticles and ion irradiation Open
Here we report a new method combining strain and defect engineering for the periodic modulation of the graphene nanoscale rippling. First, gold nanoparticles of 16 nm in diameter were synthesized by seed-mediated, wet-chemical approach, an…
View article: The growth of a multi-principal element (CoCrFeMnNi) oxynitride film by direct current magnetron sputtering using air as reactive gas
The growth of a multi-principal element (CoCrFeMnNi) oxynitride film by direct current magnetron sputtering using air as reactive gas Open
View article: Interface induced diffusion
Interface induced diffusion Open
Interface induced diffusion had been identified in a thin film system damaged by electron bombardment. This new phenomenon was observed in Al 2 O 3 (some nm thick)/Si substrate system, which was subjected to low energy (5 keV) electron bom…
View article: Interface Induced Diffusion; Area Selective Interface Patterning
Interface Induced Diffusion; Area Selective Interface Patterning Open
Interface induced diffusion had been identified in thin film system damaged by electron bombardment. This new phenomenon was observed in Al 2 O 3 (some nm thick) / Si substrate system, which was subjected to low energy (5 keV) electron bom…
View article: Magnesium incorporation into primary dental enamel and its effect on mechanical properties
Magnesium incorporation into primary dental enamel and its effect on mechanical properties Open
Cross-sectional study of sound primary dental enamel revealed hardness zonation and, in parallel, significant change in the Mg content below the prismless layer. Mg content is known to play an important role in enamel apatite biomineraliza…
View article: Utilization of hydrophobic ligands for water-insoluble Fe(II) water oxidation catalysts – Immobilization and characterization
Utilization of hydrophobic ligands for water-insoluble Fe(II) water oxidation catalysts – Immobilization and characterization Open
Herein, we compare the electrochemical and electrocatalytic properties of two selected, water-insoluble Fe(II) coordination complexes made with the non-symmetric, bidentate ligands, 2-(2′-pyridyl)benzimidazole (PBI) in [Fe(PBI)3](OTf)2 (1,…
View article: Network structure and thermal properties of bioactive (SiO2–CaO–Na2O–P2O5) glasses
Network structure and thermal properties of bioactive (SiO2–CaO–Na2O–P2O5) glasses Open
Ca- and P-based bioactive glasses are excellent candidates for design and manufacture of biomaterials. Understanding the structure and physico-chemical–thermal behaviour of bioactive glasses is a fundamental step towards the design of a ne…
View article: Electron irradiation induced amorphous SiO2 formation at metal oxide/Si interface at room temperature; electron beam writing on interfaces
Electron irradiation induced amorphous SiO2 formation at metal oxide/Si interface at room temperature; electron beam writing on interfaces Open
View article: Mechanical characterization and corrosion behavior of protective TiC/amorphous C nanocomposite coating as surface thin film
Mechanical characterization and corrosion behavior of protective TiC/amorphous C nanocomposite coating as surface thin film Open
The aim of this article is to study the influence of TiC/a:C protective thin film on the corrosion and mechanical properties of sandblasted/polished Ti and TiAl6V4 substrates. The electrochemical corrosion behaviors of the samples were inv…
View article: Structural investigation, corrosion properties and adhesion behavior of magnetron‐sputtered nanocomposite <scp>TiC/a:C</scp> thin film coatings
Structural investigation, corrosion properties and adhesion behavior of magnetron‐sputtered nanocomposite <span>TiC/a:C</span> thin film coatings Open
Due to the continuous rise in living standards, the continued growth of the world population and the development of medical science an ever‐increasing need for materials especially suited for bio‐implant applications. In case of an implant…
View article: TiC crystallite formation and the role of interfacial energies on the composition during the deposition process of TiC/a:C thin films
TiC crystallite formation and the role of interfacial energies on the composition during the deposition process of TiC/a:C thin films Open