• XPS measurements of the Fe-Pb-Si based glass

  Open Research Data

  • M. Łapiński

  Glass samples with nominal compositions of xFe2O3-(50-x)PbO–50SiO2, where x = 12.5, 15, 17.5 (mol%) were prepared. Analytical grade substrates were used: Fe2O3, SiO2, and PbO. The appropriate amounts of reagents were mixed in an agate mortar. The powders obtained were melted in porcelain un-enamelled crucibles in an electric furnace at a temperature...

• SEM analysis of the TiO2 layers deposited on a FTO substrates

  Open Research Data

  • M. Łapiński

  Titanium dioxide layers were deposited on a FTO conducting glass by sol-gel method. For sol gel synthesis butoxy titanium and ethanol were used as a reagents. Samples were sintered in a furnace at temperature of 600 deg.  SEM measurements were performed by FEI Quanta FEG250 microscope. SEM images of a cross-section of samples exhibit a porous structures...

• Investigation of plasmon resonance in a silver nanoparticles

  Open Research Data

  • M. Łapiński

  Silver nanostructures were prepared on borosilicate glass (Corning 1737F) substrates. Thin Ag films (1–9 nm thickness) were deposited using a table-top dc magnetron sputtering coater (EM SCD 500, Leica) in pure Ar plasma (argon, Air Products 99.999%). The Ag target was of 99.99% purity, the rate of layer deposition was about 0.4 nm·s−1, and the incident...

• XPS analysis of TBBO glass

  Open Research Data

  • M. Łapiński

  Glasses and glass-ceramics with nominal composition 73 TeO2– 4BaO– 3Bi2O3–18SrF2-2RE2O3 (where RE = Eu, Dy) have been synthesized by conventional melt-quenching technique and subsequent heat treatment at 370 °C for 24 h in air atmosphere. Various Eu3+ to Dy3+ molar ratio have been applied to investigate luminescence properties in both glass and glass-ceramic...

• X-Ray diffraction of the metallic nanostructures

  Open Research Data

  • M. Łapiński

  Metallic nanostructures (gold and silver) were manufactured as a thermal annealing of gold or silver thin film. Gold films with thickness of 2.8 nm were deposited on a silicon substrates using a table-top dc magnetron sputtering coater (EM SCD 500, Leica), equipped with quartz microbalance for in-situ thickness measurements. Films were deposited from...

• Optical properties of tellurium dioxide thin films

  Open Research Data

  • M. Łapiński

  TeO2 and TeO2 doped by Eu thin films manufactured by magnetron sputtering method were measured by optical spectroscopy.  Metallic Te target and Te-Eu mosaic target with diameter of 50.8 mm were sputtered for about 45 min in argon-oxygen atmosphere what resulted in 300 nm film thickness deposition. The pressure in the chamber was below 0.2 Pa and substrate...

• Luminescence of TeO2:Eu thin films

  Open Research Data

  • M. Łapiński

  Tellurium dioxide doped by europium thin films were deposited by magnetron sputtering method and simultaneously heated at 200 oC. Presence of Eu ions and their valence states was confirmed by X-ray photoemission spectroscopy measurements. The structure of the films as well as the influence of europium dopant on crystalline structure of the films was...

• Depth XPS profile of vanadium pentoxide

  Open Research Data

  • M. Łapiński

  Vanadium pentoxide sample was manufactured by sol-gel method and deposited on a substrate by spin coating technique. To determine depth profile of chemical composition of thin film, etching by Argon ion gun was used. Thin film was etched three times. Chemical composition was measured by XPS method.

• Tellurite based glass doped by Eu3+ ions - XPS measurements

  Open Research Data

  • M. Łapiński

  Eu3+ doped tellurite glass ceramics containing SrF2 nanocrystals were prepared using melt quenching technique and subsequent heat treatment of glass in 370 °C for different time periods. Thermal properties of glass matrix have been determined based on DSC measurements. XRD and XPS results confirmed formation of SrF2 nanocrystals in glass matrices after...

• Dewetting of silver films detected by XPS method

  Open Research Data

  • M. Łapiński

  Dewetting of silver thin films was detected by XPS method. Thin metallic films were deposited by magnetron sputtering method. Formation of nanostructures , as a result of thermal annealing, was confirmed by SEM microscope. For comparision three samples were measured. Bulg gold, as-deposited silver film with thickness of 3 nm and nanostructures.

• Formation of gold nanostructures detected by XPS method

  Open Research Data

  • M. Łapiński

  Gold nanostructers were manufactured by thermal dewetting of thin film. Film with thickness of 2.8 nm was deposited by magnetron sputtering method. As a result of annealing at 550 deg, nanostructures appear. Bulk gold, as-deposited gold film and metallic nanostructures were measured by XPS method. 

• Depth XPS profile of Fe-S layers on a titanium substrate

  Open Research Data

  • M. Łapiński

  Depth XPS profile of Fe-S layers on a titanium substrate was measured. Material was etched by Argon ion gun and measured by XPS method. For each sample, three times per 10 minutes each was sputtered.

• Chemical properties of bismuth telluride – carbon composites.

  Open Research Data

  • M. Łapiński

  Carbon nanotubes and amorphous carbon have been introduced into bismuth telluride matrix (in 0.15 and 0.30 wt % ratio) in order to investigate influence of carbon on composite’s thermoelectric properties. Composites with well-dispersed additives have been obtained by sonication and ball-milling. Chemical composition of materials was confirmed by XPS...

• Morphology of the gold nanoislands

  Open Research Data

  • M. Łapiński

  Dewetting of the thin metallic films leads to formation of an isolated islands. morphology of nanostructures was measured by SEM microscope. Thin gold films with a thickness of 1.2 nm, 1.5 nm and 3.4 nm were anealed at 550, 600 and 650 Celcius degress.

• Optical transmission of the Niobium thin films

  Open Research Data

  • M. Łapiński

  Niobium thin films with a thickness of 200nm were deposited n a Corning glass substrate by magnetron sputtering method. The optical transmission spectra in a visible light range were.recorded. Investigations showed a good optical transmission thru the layers for each samples, annealed at various temperatures. For measurements samples annealed at 500,...

• XRD analysis of the tellurium dioxide thin films

  Open Research Data

  • M. Łapiński

  Tellurium dioxide thin films were deposited by magnetron sputtering method. The XRD analysis of the films annealed at 200, 500, 650 and 700 celsius degree showed appearing of crystalline phase in a higher temeratures.

• Ultra-thin film of aluminum oxide influence on the plasmon resonance in gold nanostructures

  Open Research Data

  • M. Łapiński

  Ultra-thin film of aluminum oxide influence on the plasmon resonance in gold nanostructures was measured by UV-VIS spectroscopy. Ultra thin film of Al2O3 was deposited on a gold nanostructures. Thickness of film was 2nm - 8nm. Shift of plasmon resonance was observed, as a result of various dielectric constant of layer.

• TEM imaging of metal nanoparticle cross section

  Open Research Data

  • M. Łapiński

  TEM microscope was used for a imaging of metallic nanostructures. Metallic nanostructures were manufactured by thermal annealing of thin films. Gold and silver nanostructures were chosen for measurements. Samples were annealed for 15 and 60 minutes at 550 deg.

• Interface diffusion between metallic nanoparticles and silicon substrate

  Open Research Data

  • M. Łapiński

  Interface diffusion between metallic nanoparticles and silicon substrate was detected by EDX method. Metallic nanostructures were manufactured by thermal annealing of thin films. Gold and silver nanostructures were chosen for measurements. Samples were annealed for 15 and 60 minutes at 550 deg.

• Structural analysis of the tellurium dioxide thin films

  Open Research Data

  • M. Łapiński

  TeO2 thin films were deposited by magnetron sputtering method. After deposition, amorphous samples were annealed at various temperatures. Influence of annealing temperature on a presence of crystalline phase was investigated.

• Optical properties of MnO-B2O3 based glass

  Open Research Data

  • M. Łapiński

  MnO-B2O3 based glass with Au nanoparticles samples were  annealing for a various time (in a range of 24-96 hours) at various temperatures (from 340 up to 350 deg.). Presence of silver nanoparticles was detected by UV-VIS measurements. On the basis of change optical bandgap, Ag NPs was detected.

• Morphology of the sol-gel derived LTO:Cu films

  Open Research Data

  • M. Łapiński

  Morphology of the lithium titanate doped by Cu thin films were investigated by SEM microscope. Films were deposited by spin-coater from sol-gel derived sol. SEM images showed a high porous structure, tipaciall for sol-gel based films. For measurements samples with a various content of Cu were selected.

• Optical measurements of LTO:Cu sol-gel derived thin films

  Open Research Data

  • M. Łapiński

  Lithium titanate doped by copper thin films were manufactured by chemical, sol-gel method. Flms were deposited on a Corning glass substrated by spin coater. To calculated optical band gap and other optcal parameters, UV-VIS spectroscopy measurements were performed. For measurements selected samples with various content of Cu.

• Impedance spectroscopy of the lithium titanate doped by copper thin films

  Open Research Data

  • M. Łapiński

  Lithium titanate doped by copper thin films were derived by sol-gel method. Prepared gel was deposited by spin-coating technique. Samples with various content of Cu were measured by impedance spectroscopy method in a wide range of temperature, from -120 up to 150 deg.

• Structural investigations of the LTO:Cu thin films

  Open Research Data

  • M. Łapiński

  Lithium titanate (Li1+xTi2-xO4) doped with Cu2+ ions was synthesized by sol-gel processing method. The structure was characterized by X-ray Diffraction (XRD). All samples revealed presence of LTO spinel phase. X-ray pattern of undoped LTO was free of any impurities and other crystal phases. Similarly, samples with low amount of copper dopant (x = 0.05...

• Analysis of the electrical parameters of the LTO thin films

  Open Research Data

  • M. Łapiński

  Lithium titanate thin films were derived by sol-gel technique. Films with thickness ca. 800 nm were annealed for various time, in a range of 10h-80h at 550 deg. Electrical conductivity in a wide range of temperature was measured.

• XRD investigations of the lithium titanate thin films

  Open Research Data

  • M. Łapiński

  Nanocrystalline thin films with 800 nm thickness were prepared by sol–gel method. To examine the influence of the annealing temperature on as-prepared films crystallization, the coatings were heated at temperature from 500 °C up to 600 °C  for 20h. Structure of manufactured thin films was investigated using X-ray diffraction (XRD). The most visible...

• Optical measurements of lithium titanate sol-gel derived thin films

  Open Research Data

  • M. Łapiński

  Nanocrystalline thin films with 800 nm thickness were prepared by sol–gel method. To examine the influence of the annealing time on as-prepared films crystallization, the coatings were heated at 550 °C for 10, 20 and 80 h. On the basis of transmission characteristic optical properties were calculated. It was found that transmission through the thin...

• Detection of the Ag nanoparticles in Te-Bi-Ba-Oa glass

  Open Research Data

  • M. Łapiński

  The influence of the manufacturing parameters of tellurium-bismuth-barium glasses on the presence of silver nanoparticles was investigated. Glasses were annealed at 330, 335, 340, 345 and 350 degrees Celsius for 24 and 48 hours. Presence of the Ag nanoparticles was measured by XPS method. The growth of nanoparticles was observed along with the extension...

• Sb measurements in a Bi-Sb-Te ceramics materials

  Open Research Data

  • M. Łapiński

  The influence of the temperature of the annealing of ceramic materials with the composition Bi0.5Sb1.5Te3O9 was investigated. The materials were annealed at the temperature of 440 degrees Celsius and 450 degrees Celsius. There were no significant differences in the valence of antimony and other elements.

• XPS measurements of the Fe-Bi based glass

  Open Research Data

  • M. Łapiński

  Fe-Si-O and Fe-Si-Pb-O glass was measured by XPS method. The influence of Pb dopand on the glass structure, including the valence of iron, was investigated. The influence of the annealing temperature on the behavior of iron in glass was also investigated. Studies have confirmed the mixed valence of iron in glasses and a high proportion of metallic Fe.

• Analysis of the chemical composition of MnO-B2O3 glass

  Open Research Data

  • M. Łapiński

  Structural and thermal properties of xMnO−(100−x)B2O3 (where x = 40, 50 and 60 mol%) glass samples have been investigated with the employment of various techniques. Fourier transform infrared spectroscopy results revealed the influence of MnO on glass matrix. Decrease of B–O bond-related band intensities has been observed. MnO addition was found to...

• Chemical composition analysis of the LSNO ceramics

  Open Research Data

  • M. Łapiński

  The chemical composition of a series of La-Sb-Nb-O ceramics manufactured by the solid-phase reaction method was analyzed. The samples with a various antimony content were measured by XPS method (OmicronNanotechnology UHV system). Analysis confirmed presence of elements: La, Sb, Nb.

• XPS analysis of strontium titanate ceramics

  Open Research Data

  • M. Łapiński

  The chemical composition of the strontium titanite doped with yttrium and iron ceramic samples was investigated. Samples of Y0.07Sr0.93Ti0.8Fe0.2 were prepared by solid phase reaction and sintered for 24 and 48 hours. Chemical composition was measured by UHV OmicronNanotechnology XPS system.  The analysis confirmed the chemical composition of the ceramics...

• Analysis of the properties of the YSTF ceramics materials before and after reduction

  Open Research Data

  • M. Łapiński

  The valence of titanium in reduced YSTF ceramics materials was investigated. Ceramics were reduced by annealing in a hydrogen atmosphere. For comparison unreduced sample was also measured. Valance state was measured by XPS method.

• Raw data of AuAg nanoalloy plasmon resonances used for machine learning method

  Open Research Data

  • R. Kozioł
  • M. Łapiński
  • P. Syty
  • W. Sadowski
  • B. Kościelska

  Raw data used for machine learning process. UV-vis measurements of AuAg alloyed nanostructures created from thin films. Plasmonic band position dependence on fabrication parameters. Small presentation reviewing achieved structures and their properties.

• Temperature of formation of Au nanostructures

  Open Research Data

  • M. Łapiński
  • R. Kozioł
  • A. Cymann-Sachajdak
  • W. Sadowski
  • B. Kościelska

  Nanostructures were obtained via annealing of thin Au films. In order to determine possible nanoislands formation mechanisms, dependence on initial film thickness was examined. For the surface morphology studies, nanograin structure and chemical composition analysis, SEM, HR TEM and EDS measurements were performed, respectively. Morphology studies shown...

• Structure and optical measurements of Eu doped tellurium oxide thin films

  Open Research Data

  • M. Łapiński
  • M. Walas
  • A. Gapska
  • D. Kulik
  • A. Szmytke
  • P. Twardowski
  • W. Sadowski
  • B. Kościelska

  Thin films were deposited by magnetron sputtering method and simultaneously heated at 200 oC. Presence of Eu ions and their valence states was confirmed by X-ray photoemission spectroscopy measurements. The structure of the films as well as the influence of europium dopant on crystalline structure of the films was examined by X-ray diffraction method. ...

• UV-Vis measurements and SEM images of Ag nanostructures

  Open Research Data

  • R. Kozioł
  • M. Łapiński
  • W. Sadowski
  • B. Kościelska

  Uv-vis and SEM of Ag nanostructures. Structures were obtained by dewetting thin films. Various fabrication conditions i.e. temperature, time of the annealing and thickness of the initial layer were subsequently changed.

• Measurements of AuAg nanostructures

  Open Research Data

  • R. Kozioł
  • M. Łapiński
  • B. Kościelska
  • W. Sadowski

  Extensive UV-vis measurements of AuAg alloyed nanostructures created from thin films. Plasmonic band position dependence on fabrication parameters.

• Processed measurements of AuAg nanostructures

  Open Research Data

  • R. Kozioł
  • M. Łapiński
  • W. Sadowski
  • B. Kościelska

  Extensive processed UV-vis measurements of AuAg alloyed nanostructures created from thin films. Plasmonic band position dependence on fabrication parameters.

• Changes on the Surface of the SiO2/C Composite, Leading to the Formation of Conductive Carbon Structures with Complex Nature of DC Conductivity

  Open Research Data

  • P. Okoczuk
  • M. Łapiński
  • T. Miruszewski
  • P. Kupracz
  • L. Wicikowski

  Changes on the Surface of the SiO2/C Composite, Leading to the Formation of Conductive Carbon Structures with Complex Nature of DC Conductivity

• THERMION-C2S_0301 Phase transition in Cu1.96Se

  Open Research Data

  • B. Trawiński
  • J. Karczewski
  • A. Mielewczyk-Gryń
  • M. Łapiński

  Investigation of a phase transition in Cu1.96Se was investigated. The data contains results of thermal analysis (DSC) and thermoelectric properties measurements. These measurements were performed with different heating and cooling rates. Structure and elemental composition were also analysed. The data shows the influence of the kinetics of the transition...