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Wyniki wyszukiwania dla: inskrypcje łacińśkie

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Wyniki wyszukiwania dla: inskrypcje łacińśkie

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

    Dane Badawcze
    open access

    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.

  • Optical transmission of the Niobium thin films

    Dane Badawcze
    open access

    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,...

  • 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)...

  • Luminescence of TeO2:Eu thin films

    Dane Badawcze
    open access

    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...

  • 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.

  • X-Ray diffraction of the metallic nanostructures

    Dane Badawcze
    open access

    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...

  • Structural investigations of the Al2O3 ultra thin films

    Dane Badawcze
    open access

    Ultra-thin layers of Al2O3 were deposited by atomic layer deposition (ALD) (Beneq TFS 200 ALD system). This method provides precise thickness control down to a single atomic layer. The precursors used were trimethylaluminum (Sigma-Aldrich) and purified water. The deposition of the atomic layer was carried out at 200 °C. Samples with a thickness of 2...

  • XRD analysis of the tellurium dioxide thin films

    Dane Badawcze
    open access

    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.

  • Influence of the annealing condictions on the chemical structure of LaBaGdCo ceramics

    Dane Badawcze
    open access

    Ceramic samples based on Barium, Lanthanum, Gadolinium and Cobaltium were produced by solid state reaction.  After sintring in a furnance, samples were annealed at 300 Celsius degree in wet and dry atmosphere. Annealing takes 72h or 2h. Results of annealing were observed by X-Ray photoemission spectroscopy (XPS), OmicronNanotechnology.  XPS analysis...

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

    Dane Badawcze
    open access

    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.

  • Investigation of the uniformity of TeO2:Eu layer

    Dane Badawcze
    open access

    TeO2 doped by Eu thin films manufactured by magnetron sputtering method were measured by XPS method.  Te-Eu mosaic target with diameter of 50.8 mm was sputtered for about 45 min in argon-oxygen atmosphere what resulted in 300 nm film thickness deposition. The pressure in the deposition chamber was below 0.2 Pa and substrate was heated  at 200 oC during...

  • Study of the chemical state of Gd in a Ba-La-Gd-Co based ceramic

    Dane Badawcze
    open access

    Barium, Lanthanum, Gadolinium and Cobaltium precursors were used for production of ceramic materials. Samples were produced by standard solid state reaction.  Samples were annealed at 300 Celsius degree in wet and dry atmosphere. Annealing takes 72h or 2h. Results of annealing on a Gadolinum were observed by X-Ray photoemission spectroscopy (XPS), OmicronNanotechnology....

  • X-Ray photoemission spectroscopy measurements of the Nb-V-Sr-O ceramics

    Dane Badawcze
    open access

    Niobium doped strontium vanadate based perovskite SrV1-xNbxO3-δ materials were prepared via conventional solid state reaction (SSR) method. For comparison, different samples with a various amount of niobium dopant in the structure were synthesized; x = 0; 0,2; 0,5; 0,8 and 1. Samples were sintered by two-steps: first under a pure hydrogen (purity >99.999%)...

  • Chemical investigation of the Al2O3 ultra-thin films

    Dane Badawcze
    open access

    Ultra-thin layers of oluminum oxide (Al2O3) were deposited by ALD method.  Atomic layer deposition provides precise thickness control down to a single atomic layer. The precursors used were trimethylaluminum (Sigma-Aldrich) and purified water. The deposition of the atomic layer was carried out at 200 °C. Samples with a thickness of 2 and 8 nm of alumina...

  • XPS analysis of the GO based materials

    Dane Badawcze
    open access

    Graphene oxides samples were measured by XPS method. The X-ray photoemission spectroscopy measurements were carried out with Omicron NanoTechnology UHV equipment. The hemispherical spectrophotometer was equipped with a 128-channel collector. The XPS measurements were performed at room temperature at a pressure below 1.1 × 10−8 mBar. The photoelectrons...

  • 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...

  • Lanthanum investigations in ceramics annealed in a dry and wet atmosphere

    Dane Badawcze
    open access

    Ceramics based on Barium, Lanthanum, Gadolinium and Cobaltium were produced by standard solid state reaction from oxides and carbonate powders. After sintring, samples were annealed for 2 hours or 72 hours at 300 Celsius degree in a both: wet and dry atmosphere. Results of annealing on a chemical composition and valence state of lanthanum were observed...

  • Formation of gold nanostructures detected by XPS method

    Dane Badawcze
    open access

    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. 

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

    Dane Badawcze
    open access

    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.

  • Mn-Co nanofilms on nickel foam measured by XPS mehod

    Dane Badawcze
    open access

    Manganium-Cobaltium based thin films were electrochemically deposited on a Ni based subsrates in a one-step process at −1.1 V vs. Ag/AgCl in an aqueous solution of differently concentrated Mn(NO3)2·4H2O and Co(NO3)2·6H2O with the deposition time limited by charges of 60, 120, and 200 mC at 25 °C. The concentration ratios of Mn(NO3)2·4H2O to Co(NO3)2·6H2O...

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

    Dane Badawcze
    open access

    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.

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

    Dane Badawcze
    open access

    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...

  • XPS analysis of TBBO glass

    Dane Badawcze
    open access

    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...

  • Dewetting of silver films detected by XPS method

    Dane Badawcze
    open access

    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.

  • Hydrogenation process ofTiO2/BiVO4/PEDOT:PSS observed by XPS method

    Dane Badawcze
    open access

    Titania nanotubes synthesis was based on a two-stage anodization process at water/ethylene glycol (5%/95%) electrolyte containing 0.27 M NH4F and 1 M H3PO4 described previously. Anodization process was performed in two-electrode cell compartment using platinum mesh as a cathode. The distance between electrodes was about 2 cm. The anodization voltage...

  • XPS study of the YST ceramics

    Dane Badawcze
    open access

    Yttrium-doped strontium titanate  was prepared via conventional solid-state reaction method from Y2O3 (Sigma Aldrich, 99,9%), TiO2 (Sigma Aldrich, 99%) and SrCO3 (Sigma Aldrich,98%). For comparision, two other techniques were used for synthesis: Pechini and wet methods. Both kind of samples were measured, after and before reduction process (in a hydrogen)....

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

    Dane Badawcze
    open access

    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.

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

    Dane Badawcze
    open access

    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...

  • XRD investigations of the lithium titanate thin films

    Dane Badawcze
    open access

    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...

  • Investigations of the valence state of Co in a MnCoO ceramics

    Dane Badawcze
    open access

    McCoO ceramics materials were produced by solid state reaction and sintred in a furnance in air atmosphere for 20h. Annealing temperature was 600 Celsius degree. For investigations a series of samples, with a various composition was chosen: MnCoO, Mn, Co2O and Mn2CoO. Chemical behaviour of the Cobaltium was measured by XPS method.  The analyses were...

  • 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...

  • 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...

  • The 3d Ce XPS spectra of Ce0.9M0.1O2

    Dane Badawcze

    The dataset consists of 3d Ce XPS of Ce0.9M0.1O2 where (M=Mn, Fe, Co, Ni, Cu). X-ray Photoelectron Spectroscopy analysis (XPS) was performed using X-ray photoelectron spectrometer Omnicron NanoTechnology with 128-channel collector. XPS measurements were undertaken in ultra-high vacuum conditions, below 1.1x10-8 mbar. Photoelectrons were excited by an...

  • The 2p XPS spectra of transition metals in Ce0.9M0.1O2

    Dane Badawcze

    The dataset consists of 2p XPS spectra of transition metals in Ce0.9M0.1O2 where (M=Mn, Fe, Co, Ni, Cu). X-ray Photoelectron Spectroscopy analysis (XPS) was performed using X-ray photoelectron spectrometer Omnicron NanoTechnology with 128-channel collector. XPS measurements were undertaken in ultra-high vacuum conditions, below 1.1x10-8 mbar. Photoelectrons...

  • The XPS spectra of Al2O3/5%Cu prepared using wet impregnation method

    Dane Badawcze

    The dataset includes XPS spectra of Al2O3/5%Cu catalyst sintered under air atmosphere. Samples were produced using aqueous soft chemistry methods and incipient wettness impregnation using nitrate solution. The XPS spectra were collected for all species. 

  • The XPS spectra of AlOOH/1%Cu prepared using wet impregnation method

    Dane Badawcze

    The dataset includes XPS spectra of AlOOH/1%Cu catalyst sintered under air atmosphere. Samples were produced using aqueous soft chemistry methods and incipient wettness impregnation using nitrate solution. The XPS spectra were collected for all species. 

  • The XPS spectra of ZrO2/5%Cu prepared using wet impregnation method

    Dane Badawcze

    The dataset includes XPS spectra of ZrO2/5%Cu catalyst sintered under air atmosphere. Samples were produced using aqueous soft chemistry methods and incipient wettness impregnation using nitrate solution. The XPS spectra were collected for all species. 

  • The XPS spectra of CeO2/5%Cu prepared using wet impregnation method

    Dane Badawcze

    The dataset includes XPS spectra of CeO2/5%Cu catalyst sintered under air atmosphere. Samples were produced using aqueous soft chemistry methods and incipient wettness impregnation using nitrate solution. The XPS spectra were collected for all species. 

  • The XPS spectra of SrTiO3/5%Cu prepared using wet impregnation method

    Dane Badawcze

    The dataset includes XPS spectra of SrTiO3/5%Cu catalyst sintered under air atmosphere. Samples were produced using aqueous soft chemistry methods and incipient wettness impregnation using nitrate solution. The XPS spectra were collected for all species. 

  • The XPS spectra of AlOOH/5%Cu prepared using wet impregnation method

    Dane Badawcze

    The dataset includes XPS spectra of AlOOH/5%Cu catalyst sintered under air atmosphere. Samples were produced using aqueous soft chemistry methods and incipient wettness impregnation using nitrate solution. The XPS spectra were collected for all species. 

  • Parameters of land reference points in the Gdynia region and the Free-air anomaly grid of the South Baltic

    Dane Badawcze

    The data was registered during the campaign to verify the catalog value of the absolute point coordinates [point 5403 (POLREF-GORA DONAS)] of the national gravimetric control network. The data was recorded in two three-hour stationary measurement campaigns at the following points: Rozewie of the EUREF-POL network, Góra Donas POLREF, and mareograph points...

  • X-ray Photoelectron Spectroscopy studies of ammonium vanadate

    Dane Badawcze

    The DataSet contains the high-resolution XPS studies of the ammonium vanadate nanostructures obtained by the hydrothermal method. XPS analyses were carried out with an X-ray photoelectron spectrometer (Omicron NanoTechnology) with a 128-channel collector. The measurements were performed at room temperature in an ultra-high vacuum condition (below 1.1x10-8...

  • Measurements of AuAg nanostructures

    Dane Badawcze

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

  • Processed measurements of AuAg nanostructures

    Dane Badawcze

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

  • UV-Vis measurements and SEM images of Ag nanostructures

    Dane Badawcze

    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.

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

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

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

    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.

  • THERMION-C2S_0301 Phase transition in Cu1.96Se

    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...

  • Temperature of formation of Au nanostructures

    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...

  • Au nanostructures coated with a ultrathin film of Al2O3 - measurements and FDTD simulations

    Gold plasmonic platforms have been coated with an ultra-thin films of aluminium oxide. Optical  measurements, showing the influence of the thickness of Al2O3 on plasmon resonance position. The observed red-shift of the resonance location with the increase of the thickness of the Al2O3 film, can be explained by the change in the dielectric function of...