Pavol Šutta
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View article: Topological material in the III–V family: Heteroepitaxial InBi on InAs
Topological material in the III–V family: Heteroepitaxial InBi on InAs Open
InBi(001) is formed epitaxially on InAs(111)-A by depositing Bi onto an In-rich surface. Angle-resolved photoemission measurements reveal topological electronic surface states, close to the M¯ high symmetry point. This demonstrates a heter…
View article: Artical Functionalization of structural and electronic properties of multiferroic SrTiO3 thin films
Artical Functionalization of structural and electronic properties of multiferroic SrTiO3 thin films Open
This study examines the application of transition metal-doped SrTiO3 in photovoltaic technologies, such as photocatalysis. The core objective is to evaluate how different dopants influence the structural and electronic characteristics of t…
View article: In-depth study of silicon-oxide thin films: Effect of N2O/SiH4 gas mixture
In-depth study of silicon-oxide thin films: Effect of N2O/SiH4 gas mixture Open
Silicon-oxide based films in photonics are key for optoelectronic applications due to their wide tunable optical and physical properties based on the growth conditions. In this paper, low temperature processed silicon-oxide thin films have…
View article: Optical Absorption in Si:H Thin Films: Revisiting the Role of the Refractive Index and the Absorption Coefficient
Optical Absorption in Si:H Thin Films: Revisiting the Role of the Refractive Index and the Absorption Coefficient Open
This paper reports on absorption properties of thin films of hydrogenated amorphous and microcrystalline silicon considered for absorption-based applications, such as solar cell, photodetectors, filters, sensors, etc. A series of four amor…
View article: Toward BaSi<sub>2</sub>/Si Heterojunction Thin‐Film Solar Cells: Insights into Heterointerface Investigation, Barium Depletion, and Silicide‐Mediated Silicon Crystallization
Toward BaSi<sub>2</sub>/Si Heterojunction Thin‐Film Solar Cells: Insights into Heterointerface Investigation, Barium Depletion, and Silicide‐Mediated Silicon Crystallization Open
The knowledge of the structural and compositional details of Si/BaSi 2 /Si heterostructure annealed at high temperature is a prerequisite for BaSi 2 application in heterojunction thin‐film solar cells. For this purpose, Si/BaSi 2 /Si heter…
View article: Modifications of effective optical properties of a-Si:H/a-SiN<sub>x</sub>:H multilayers by means of multilayer design and sublayer thickness
Modifications of effective optical properties of a-Si:H/a-SiN<sub>x</sub>:H multilayers by means of multilayer design and sublayer thickness Open
This paper presents a study of optical properties of two series of PECVD deposited planar a-Si:H/a-SiN x :H multilayers that are differently arranged. The first series design is symmetric consisting of samples with equidistant a-Si:H and a…
View article: Effective Passivation of Black Silicon Surfaces via Plasma‐Enhanced Chemical Vapor Deposition Grown Conformal Hydrogenated Amorphous Silicon Layer
Effective Passivation of Black Silicon Surfaces via Plasma‐Enhanced Chemical Vapor Deposition Grown Conformal Hydrogenated Amorphous Silicon Layer Open
Solar cells based on black silicon (b‐Si) are proven to be promising in photovoltaics (PVs) by exceeding 22% efficiency. To reach high efficiencies with b‐Si surfaces, the most crucial step is the effective surface passivation. Up to now, …
View article: Synthesis and Diagnostics of Nanostructured Micaless Microcomposite as a Prospective Insulation Material for Rotating Machines
Synthesis and Diagnostics of Nanostructured Micaless Microcomposite as a Prospective Insulation Material for Rotating Machines Open
This paper deals with the topic of composite insulation materials for rotating machines and it is primarily pointed to the synthesis of new three-component insulation system. In connection with this research, the basic components of the in…
View article: XRD and electron diffraction synergies for textured thin films structure investigation
XRD and electron diffraction synergies for textured thin films structure investigation Open
In this study, Titanium (Ti) doped zinc oxide (ZnO) thin films were successfully deposited by reactive magnetron co-sputtering in a reactive mode from metallic targets with different Ti concentrations (up to 9 at % of Ti) at relatively low…
View article: Structural analysis of Ni-doped SrTiO3: XRD study
Structural analysis of Ni-doped SrTiO3: XRD study Open
Náplní této práce je studium struktutry niklem dopovaného SrTiO3 pomocí rentgenové difrakce. Všechny vzorky byly připravené pomocí magnetronového naprašování na Si a SiO2 subrstrát. Hlavním cílem práce bylo monitorování krystalizace depono…
View article: A topological material in the III-V family: heteroepitaxial InBi on InAs
A topological material in the III-V family: heteroepitaxial InBi on InAs Open
InBi(001) is formed epitaxially on InAs(111)-A by depositing Bi on to an In-rich surface. Angle-resolved photoemission measurements reveal topological electronic surface states, close to the M bar high symmetry point. This demonstrates a h…
View article: Oxidation-Induced Structure Transformation: Thin-Film Synthesis and Interface Investigations of Barium Disilicide toward Potential Photovoltaic Applications
Oxidation-Induced Structure Transformation: Thin-Film Synthesis and Interface Investigations of Barium Disilicide toward Potential Photovoltaic Applications Open
Barium disilicide (BaSi2) has been regarded as a promising absorber material for high-efficiency thin-film solar cells. However, it has confronted issues related to material synthesis and quality control. Here, we fabricate BaSi2 thin film…
View article: Magnesium Oxide Nanoparticles: Dielectric Properties, Surface Functionalization and Improvement of Epoxy-Based Composites Insulating Properties
Magnesium Oxide Nanoparticles: Dielectric Properties, Surface Functionalization and Improvement of Epoxy-Based Composites Insulating Properties Open
Composite insulation materials are an inseparable part of numerous electrical devices because of synergy effect between their individual parts. One of the main aims of the presented study is an introduction of the dielectric properties of …
View article: Optical properties of zinc titanate perovskite prepared by reactive RF sputtering
Optical properties of zinc titanate perovskite prepared by reactive RF sputtering Open
In this paper we report results from optical transmittance spectroscopy complemented with data on structure from XRD measurements to determine optical properties of a series of ZnTiO 3 perovskite thin films deposited on glass by reactive m…
View article: Effect of severe plastic and heavy cold deformation on the structural and mechanical properties of commercially pure titanium
Effect of severe plastic and heavy cold deformation on the structural and mechanical properties of commercially pure titanium Open
Zpracování materiálů výraznou plastickou deformací (SPD – severe plastic deformation) poskytuje velký potenciál možností spojený s dosažením jejich vlastností zušlechtěním počáteční zrnité struktury. Současné experimenty obsahují mechanick…
View article: On Some Ambiguities of the Absorption Edge and Optical Band Gaps of Amorphous and Polycrystalline Semiconductors
On Some Ambiguities of the Absorption Edge and Optical Band Gaps of Amorphous and Polycrystalline Semiconductors Open
This paper reports on somewhat puzzling character of the determination of the optical band gap energies of amorphous and polycrystalline semiconductors, where probably the mixed-phase composition and structural and compositional disorder a…
View article: Investigation of structural changes of <scp>ZnO:Ti</scp> thin films prepared by <scp>RF</scp> sputtering
Investigation of structural changes of <span>ZnO:Ti</span> thin films prepared by <span>RF</span> sputtering Open
ZnO is a wide used ferroelectric material with a variety of applications. This study investigates ZnO thin films doped by Ti as showing structure change from ZnO wurtzite up to ZnTiO 3 perovskite. ZnO:Ti thin films were prepared by RF reac…
View article: Interplay between Vacuum-Grown Monolayers of Alkylphosphonic Acids and the Performance of Organic Transistors Based on Dinaphtho[2,3-<i>b</i>:2′,3′-<i>f</i>]thieno[3,2-<i>b</i>]thiophene
Interplay between Vacuum-Grown Monolayers of Alkylphosphonic Acids and the Performance of Organic Transistors Based on Dinaphtho[2,3-<i>b</i>:2′,3′-<i>f</i>]thieno[3,2-<i>b</i>]thiophene Open
Monolayers of six alkylphosphonic acids ranging from C8 to C18 were prepared by vacuum evaporation and incorporated into low-voltage organic field-effect transistors based on dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (DNTT). Similar t…
View article: Structural and mechanical behaviour of LLDPE/HNT nanocomposite films
Structural and mechanical behaviour of LLDPE/HNT nanocomposite films Open
The paper briefly describes structural and mechanical influences of Halloysite nanotubes (HNT) in different level of fulfilment (0, 1, 3, 7 wt%) in the LLDPE commonly used in the cable industry. The influence of HNT on the polymer has been…