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

    Open Research Data
    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

    Open Research Data
    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

    Open Research Data
    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

    Open Research Data
    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

    Open Research Data
    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

    Open Research Data
    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.

  • XPS study of the YST ceramics

    Open Research Data
    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

    Open Research Data
    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

    Open Research Data
    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

    Open Research Data
    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

    Open Research Data
    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

    Open Research Data
    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

    Open Research Data
    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 images of dewetted gold films

    Open Research Data
    open access

    Gold nanostructures were prepared on silicon - Si(111) as a substrate. as a result of dewetting process. Thin golds films were deposited using a table-top dc magnetron sputtering coater under pure Ar plasma conditions . The Au target had 99.99% purity, the rate of Au layer deposition was about 0.4 nm·s−1 and the incident power was 32 W. The thickness...

  • XPS study of the lithium titanate doped by copper

    Open Research Data
    open access

    Lithium titanate doped by copper was measured by X-ray photoemission spectroscopy. For sol-gel synthesis lithium acetate dehydrate from Alfa Aesar GmbH &Co and titanium (IV) butoxide 97% from Aldrich were used as reagents. Copper (II) nitrate from Alfa Aesar was used as a source of Cu dopant. It was added in the proper weight to get an x index equal...

  • Formation of gold anostructures detected by SEM microscope

    Open Research Data
    open access

    Gold nanostructures were prepared on silicon - Si(111) as a substrate. The substrates (1 × 1 cm2  of area) were cleaned with acetylacetone and then rinsed in ethanol. Thin Au films (with thicknesses in a range of 1.7–5.0 nm) were deposited using a table-top dc magnetron sputtering coater (EM SCD 500, Leica) under pure Ar plasma conditions (Argon, Air...

  • SEM images of tge gold nanostructures on silicon

    Open Research Data
    open access

    Au nanostructures were prepared on Si(111) as a substrate. The substrates (1 × 1 cm2  of area) were cleaned with acetylacetone and then rinsed in ethanol. Thin Au films (with thicknesses in a range of 1.7–5.0 nm) were deposited using a table-top dc magnetron sputtering coater (EM SCD 500, Leica) under pure Ar plasma conditions (Argon, Air Products 99.999%)....

  • Oxidation of silver nanostructures

    Open Research Data
    open access

    Silver nanostructures were prepared on  Si substrate. Thin Ag films (2 and 6 nm thickness) were deposited using a tabletop dc magnetron sputtering coater (EM SCD 500, Leica) in pure Ar plasma. The Ag target was of 99.99% purity, the rate of layer deposition was about 0.4 nm·s−1 , and the incident power was in the range of 30–40 W. The layer thickness...

  • Surface modifcation of PMMA polymer detected by XPS

    Open Research Data
    open access

    In order to obtain the experimental specimens, four PMMA/PC61BM samples with the following  mass proportions were prepared: 10%, 20%, 30%, and 40%. In addition, as a reference, a PMMA sample without  PC61BM was prepared as well. For the fabrication process, PC61BM 99.5% (Solenne BV), chloroform HPLC  (Sigma Aldrich), and PMMA (commercially available...

  • Chemical analysis of the Au-Ag nanoaloys

    Open Research Data
    open access

    The nanostructures of AuAg nanoalloys were prepared by sequential sputtering of gold and silver thin films.  Single layer thickness was usually 2.8 nm were deosted by magnetron sputtering method in a Ar plasma. As deposited layers were annealed in Ar atmosphere at 550 degress for 15 minutes. For XPS measurements five samples were selected: pure gold...

  • Measurements of the chemical composition of LTO:Cu powders

    Open Research Data
    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...

  • Comparison of XPS spectra of Ag3d for silver nanostructures and bulk material

    Open Research Data
    open access

    Ag nanostructures were prepared on borosilicate glass (Corning 1737F) and Si substrates. In both cases, the substrateswere cleaned with acetylacetone and then rinsed in ethanol. Thin Ag films (2 and 6 nm thickness) were deposited using a tabletop dc magnetron sputtering coater (EM SCD 500, Leica) in pure Ar plasma (argon, Air Products 99.999%). The...

  • Sol-gel derived lithium titanate powders measured by XPS method

    Open Research Data
    open access

    For sol-gel synthesis lithium acetate dehydrate from Alfa Aesar GmbH &Co and titanium (IV) butoxide 97% from Aldrich were used as reagents. Copper (II) nitrate from Alfa Aesar was used as a source of Cu dopant. It was added in the proper weight to get an x index equal 0, 0.1 and 0.2. In the first step lithium acetate and copper nitrate were dissolved...

  • The influence of chitosan hydrogels on the morphology of L929 cells

    Open Research Data
    open access

    Representative image at 20x magnification of L929 cells following 24 h of treatment with chitosan derivatives: chitosan dissolved in carbonic acid, chitosan dissolved in carbonic acid endotoxin free, chitosan dissolved in hydroacetic acid at 1:3 diluent factor. The scale bar is 100 µm; Microscope Olympus IX83, Tokyo, Japan).

  • Cytotoxicity of chitosan hydrogels aginst L929 cells

    Open Research Data
    open access

    This study presents absorbance values of formazan product (converted from MTT) which corresponds to the cytotoxicity of chitosan compounds (dissolved in carbonic acid, dissolved in carbonic acid endotoxin free, and dissolved in hydroxyacetic acid)  aginst adult mouse fibroblast L929 cells. The experiments were carried out according to the ISO 10993-5:2009(E)...

  • Thermal behaviour of NH4VO3 microcasketoids

    Open Research Data
    open access - series: Ammonium vanadate

    The DataSet contains the results of the thermal behavior of the ammonium metavanadate microcasketoids under argon and nitrogen atmosphere. Thermogravimetric analysis (TG) was carried out under argon or nitrogen atmosphere from 40C to 560C (with a heating rate of 10 C/min) using Netzsch STA 449 F1. The thermal behavior was also studied with mass spectrum...

  • Thermal behaviour of NH4VO3 nanoflowers

    Open Research Data
    open access - series: Ammonium vanadate

    The DataSet contains the results of the thermal behavior of the ammonium metavanadate nanoflowers under argon and nitrogen atmosphere. Thermogravimetric analysis (TG) was carried out under argon or nitrogen atmosphere from 40C to 560C (with a heating rate of 10 C/min) using Netzsch STA 449 F1. The thermal behavior was also studied with mass spectrum...

  • Thermal behaviour of NH4VO3 elongated microcrystals

    Open Research Data
    open access - series: Ammonium vanadate

    The DataSet contains the results of the thermal behavior of the ammonium metavanadate elongated microcrystals under argon and nitrogen atmosphere. Thermogravimetric analysis (TG) was carried out under argon or nitrogen atmosphere from 40C to 560C (with a heating rate of 10 C/min) using Netzsch STA 449 F1. The thermal behavior was also studied with mass...

  • Thermal behaviour of commercial avaible NH4VO3

    Open Research Data
    open access - series: Ammonium vanadate

    The DataSet contains the results of the thermal behavior of the commercially available ammonium metavanadate (CAS 7803-55-6)  under argon and nitrogen atmosphere. Thermogravimetric analysis (TG) was carried out under argon or nitrogen atmosphere from 40C to 560C (with a heating rate of 10 C/min) using Netzsch STA 449 F1. The thermal behavior was also...

  • Thermal behaviour of NH4VO3 microflowers

    Open Research Data
    open access - series: Ammonium vanadate

    The DataSet contains the results of the thermal behavior of the ammonium metavanadate microflowers under argon and nitrogen atmosphere. Thermogravimetric analysis (TG) was carried out under argon or nitrogen atmosphere from 40C to 560C (with a heating rate of 10 C/min) using Netzsch STA 449 F1. The thermal behavior was also studied with mass spectrum...

  • Thermal behaviour of ammonium vanadate nanocrystals

    Open Research Data
    open access - series: Ammonium vanadate

    The DataSet contains the thermal behavior of the ammonium vanadate nanostructures obtained by the hydrothermal method with different conditions. Thermogravimetric analysis (TG) was carried out under an argon atmosphere from 40C to 560C (with a heating rate of 10 C/min) using Netzsch STA 449 F1. The thermal behavior was also studied with mass spectrum...

  • Thermal behavior of VO2/V2O3 nanostructures obtained at 500°C under argon atmosphere

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures.  The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 500°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.

  • Thermal behavior of VO2/V2O3 nanostructures obtained at 1000°C under argon atmosphere

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures.  The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 1000°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.

  • Thermal behavior of VO2/V2O3 nanostructures obtained at 650°C under reducing atmosphere

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures.  The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 650°C under a reducing atmosphere (95% Ar 5% H2). The information about xerogel powder synthesis is described in the Journal of Nanomaterials.

  • Thermal behavior of VO2/V2O3 nanostructures obtained at 400°C under argon atmosphere

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures.  The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 400°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.

  • Thermal behavior of VO2/V2O3 nanostructures obtained at 700°C under argon atmosphere

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures.  The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 700°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.

  • Thermal behavior of VO2/V2O3 nanostructures obtained at 800°C under argon atmosphere

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures.  The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 800°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.

  • Thermal behavior of VO2/V2O3 nanostructures obtained at 600°C under argon atmosphere

    Open Research Data
    open access - series: Vanadium oxides

    The DataSet contains the results of the thermal behavior of the VO2/V2O3 nanostructures.  The vanadium oxides nanostructures were synthesized by the sol-gel method, where obtained xerogel powder was annealing at 600°C under an argon atmosphere. The information about xerogel powder synthesis is described in the Journal of Nanomaterials.

  • The compliance of work with the chosen field of studies by Gdańsk University of Technology graduates – years 2010-2012

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2010-2012 on the compliance of their work with the chosen field of studies. The survey was conducted in the period from 2012 to 2014, two years after the respondents obtained graduate status. The research sample included 1586 respondents. Summarizing,...

  • The amount of monthly salary of Gdańsk University of Technology graduates’ – years 2017-2018

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates' from years 2017-2018 on their amount of monthly salary. The survey was conducted in the period from 2019 to 2020, two years after the respondents obtained graduate status. The research sample included 2909 respondents. To summarize, the Gdańsk University of Technology...

  • The compliance of work with the chosen field of studies of the Gdańsk University of Technology graduates – years 2013-2018

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2013-2018 on the compliance of their work with the chosen field of studies. The survey was conducted in the period from 2015 to 2020, two years after the respondents obtained graduate status. The research sample included 11190 respondents. Summarizing,...

  • Time period when graduates of Gdańsk University of Technology start work after graduation – years 2010-2014

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2010-2014 on time period when they start work after graduation. The survey was conducted in the period from 2012 to 2016, two years after the respondents obtained graduate status. The research sample included 5367 respondents. To summarize, the Gdańsk...

  • Gdańsk University of Technology graduates’ form of employment or business activity – years 2011-2014

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates' from the years 2011-2014 on the form of their employment or business activity. The survey was conducted in the period from 2013 to 2016, two years after the respondents obtained graduate status. The research sample included 5025 respondents. To summarize, the...

  • The causes of labour inactivity of Gdańsk University of Technology graduates – years 2014-2018

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates from the years 2014-2018 on the causes of their labour inactivity. The survey was conducted in the period from 2016 to 2020, two years after the respondents obtained graduate status. The research sample included 9413 respondents. To summarize, the most common...

  • Gdańsk University of Technology graduates’ employment sector – years 2010-2018

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2010-2018 on their employment sector. The survey was conducted in the period from 2012 to 2020, two years after the respondents obtained graduate status. The research sample included 12776 respondents. To summarize, the vast majority of graduates found...

  • Gdańsk University of Technology graduates’ length of the labour inactivity period after graduation – years 2014-2018

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2014-2018 on length of the labour inactivity period after graduation. The survey was conducted in the period from 2016 to 2020, two years after the respondents obtained graduate status. The research sample included 9413 respondents. To summarize, the...

  • Gdańsk University of Technology graduates’ job position – years 2013-2018

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2013-2018 on their current job position. The survey was conducted in the period from 2015 to 2020, two years after the respondents obtained graduate status. The research sample included 11190 respondents. To summarizing, the Gdańsk University of Technology...

  • Time period when graduates of Gdańsk University of Technology start work after graduation – years 2015-2018

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates from years 2015-2018 on time period when they start work after graduation. The survey was conducted in the period from 2017 to 2020, two years after the respondents obtained graduate status. The research sample included 7409 respondents. To summarize, the Gdańsk...

  • Gdańsk University of Technology graduates’ form of employment or business activity – years 2015-2018

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates' from the years 2015-2018 on the form of their employment or business activity. The survey was conducted in the period from 2017 to 2020, two years after the respondents obtained graduate status. The research sample included 7409 respondents. To summarize, the...

  • The amount of monthly salary of Gdańsk University of Technology graduates’ – years 2010-2014

    Open Research Data
    open access

    The dataset includes data from the survey on the Gdańsk University of Technology graduates' from years 2010-2014 on their amount of monthly salary. The survey was conducted in the period from 2012 to 2016, two years after the respondents obtained graduate status. The research sample included 5367 respondents. To summarize, the Gdańsk University of Technology...