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Wyniki wyszukiwania dla: CHEMICAL COMPOSITION

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Wyniki wyszukiwania dla: CHEMICAL COMPOSITION

  • Chemical composition of V2O5 nanorods

    Dane Badawcze
    open access - seria: Vanadium oxides

    The DataSet contains the chemical compositions of the V2O5 nanorods on a silicon substrate. The thin films were obtained by the sol-gel method.  The information about sol synthesis is described in the Journal of Nanomaterials. The As-prepared thin films were annealed at 600C under a synthetic air atmosphere.

  • Chemical composition analysis of the LSNO ceramics

    Dane Badawcze
    open access

    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.

  • Measurements of the chemical composition of LTO:Cu powders

    Dane Badawcze
    open access

    Lithium titanate doped by copper was measured by X-ray photoemission spectroscopy (XPS). For sol-gel synthesis lithium acetate dehydrate and titanium (IV) butoxide 97% and copper (II) nitrate from Alfa Aesar were used as a reagents. Cu precursor was added in the proper weight to get an x index equal 0, 0.1 and 0.2. In the first step lithium acetate...

  • Analysis of the chemical composition of MnO-B2O3 glass

    Dane Badawcze
    open access

    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...

  • Polymers doped by Ca or P. Chemical composition investigations

    Dane Badawcze
    open access

    The calcium and phosphorus doped polyurethane polymers (PU) were analyzed by XPS method. A series of samples with various content of Ca and P dopand - from 0% up to 21%) were selected for measutements. The chemical composition and valence state of elements were measurements using OmicronNatechnology UHV system wih  Argus hemispherical photoelectron...

  • Depth profile of the chemical composition of the Au-Ag multilayers

    Dane Badawcze
    open access

    Silver and gold multilayers were deposited on a silicon substrate by magnetron sputtering method. Both type, Au and Ag thin films had 2 nm of thickness. Totally structure had thickness of 6 nm (Au-Ag-Au). That prepared multilayers were measured by XPS method. To obtain a depth profile of chemical composition, an Argon ion (Ar+) gun was used for etching...

  • Chemical composition of tellurium oxides thin films deposited by magnetron sputtering method

    Dane Badawcze
    open access

    Thin films were prepared by radio frequency reactive magnetron sputtering technique. Metallic Te target was 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 was heated at 200 °C. The distance between sputtered target and the Corning 1737...

  • Chemical composition of La-Sr-Ce-Ni-Ti ceramics material measured by XPS method

    Dane Badawcze
    open access

    La-Sr-Ce-Ni-Ti (LSCNT) based ceramics sample was manufactured by standard solid state reaction.Prepared powder was pressed into pilled and sintered in a furnace in air atmosphere for 10h. Annealing temperature was 1200 Celsius degree. To calculate chemical composition and determine valence states of the elements, X-Ray photoemission spectroscopy (XPS)...

  • Depth XPS profile of vanadium pentoxide

    Dane Badawcze
    open access

    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.

  • XPS analysis of strontium titanate ceramics

    Dane Badawcze
    open access

    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...

  • XPS measurement of the Fe-Ti based materials

    Dane Badawcze
    open access

    The mono‐ and bimetal‐modified (Pd, Cu) titanium(IV) oxide and iron oxide (III) photocatalysts were prepared by chemical reduction method and characterized using XPS method. The composition of elements incorporated in the surface layer of mono- and bimetallic photocatalysts was determined by XPS analysis, as well as the valence state of elements. Measurements...

  • Chemical properties of bismuth telluride – carbon composites.

    Dane Badawcze
    open access

    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...

  • SPTNO ceramics measured by XPS method

    Dane Badawcze
    open access

    SPTNO (Sr-Pr-Ti-Ni-O) ceramic were manufactured by solid state reaction, from oxides compounds. Synthesis conducted in air atmosphere at temperature in a range of 800-900 deg. Chemical composition of prepared materials were measured by XPS (X-Ray photoemision spectroscopy) method. UHV OmicronNanotechnology system with 128 channel Argus hemispherical...

  • SEM image and EDS map of SrTi0.50Fe0.50O3-d porous electrode sintered at 800 °C

    Dane Badawcze
    open access - seria: Effect of sintering temperature on electrochemical performance of porous SrTi1-xFexO3-δ oxygen electrodes

    This dataset contains  image of the SrTi0.50Fe0.50O3-d porous electrode sintered at 800 °C with EDS map analysis results. This study were performed for better understanding the chemical composition of flat like structures that occurs in electrode. Images were obtained using a PhenomXL (Thermo Fisher Scientific, the Netherlands) scanning electron microscope...

  • XPS measurements of the iron elements covered by chromium

    Dane Badawcze
    open access

    Anticorrosive coatings are an important issue in modern materials engineering. One of the most commonly used, for that coating materials, is chrome. Three metal elements were measured, named as Turcja, WB Tech and Nomet. Names were given according to producer of elements. XPS measurements of the Cr 2p region give an ansver concering on surface chemical...

  • XPS study of the TiO2-WO2 composites

    Dane Badawcze
    open access

    Valence state of W and Ti was measured in a TiO2-WO3 composites with a various composition.Powder samples of pure titanium dioxide, tungsten oxide and mix of 50% titanium oxide and 50% od tungsten oxide were measured.  Oxides were annealed at the temperature in the range of 300 Celsius degree up to 900 deg. Measurements were performed by XPS UHV Omicron...

  • Temperature of formation of Au nanostructures

    Dane Badawcze
    open access

    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...

  • Depth profile of the gold-silver bimetallic structures

    Dane Badawcze
    open access

    Silver and gold bimetallic layers were deposited on a silicon substrate by magnetron sputtering method. Both, Au and Ag layers had 3 nm of thickness. That prepared nanostructures were measured by XPS method. To obtain a depth profile of chemical composition, an Argon ion (Ar+) gun was used for etching surface of sample. Each cycle of etching takes 30...

  • Raman spectra for pyrolized natural compounds

    Dane Badawcze
    open access

    The presented data showcases the results of Raman spectroscopy analysis conducted on pyrolyzed natural compounds both with and without the inclusion of graphene. The study delved into four specific compounds: methylcellulose with lysine (ML), methylcellulose with lysine-graphene composite (MLG), algae (A), and algae-graphene composite (AG). Raman spectra...

  • Physicochemical studies (BET) of nanoparticles used for 3D printable conductive composites

    Dane Badawcze
    open access - seria: Additive manufacturing technology of electroactive three-dimensional structures from diamond reinforced polylactide composites

    This dataset contains physico-chemical examination of fillers used to fabricate new 3D printing-dedicated composites with poly-lactic acid (PLA), carbon black (CB) and nanodiamond fillers. Geometric surface area of the nanoparticles was studied by Brunauer–Emmett–Teller (BET) adsorption/desorption isotherms. Investigated samples: CB Ensaco 250G, detonation...