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Search results for: alumina
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Linear impedance of Bi2VO5.5 glass-ceramic measured with impedance spectroscopy method at low temperature region
Open Research DataThe linear electrical properties of Bi2VO5.5 glass-ceramic prepared by traditional melt quenching technique was measured by impedance spectroscopy method.
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The morphology of lead-silicate glasses containing nanocrystallites of iron oxides
Open Research DataThe topography of iron-doped glasses and glass-ceramics were studied. Samples has the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO–xFe2O3, where x = 2, 5, 10, 15, 20 and 25 (in mol%). All sampleswere prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass...
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The structure of lead-silicate glasses containing nanocrystallites of iron oxides
Open Research DataThe structure of iron-doped glasses and glass-ceramics were studied. Samples has the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO–xFe2O3, where x = 2, 5, 10, 15, 20 and 25 (in mol%). All samples were prepared by the conventional melt quenching technique; the melting was conducted in air at 1623 K in alumina crucibles. The melts were poured on a brass...
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Luminescence properties of TeOx thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. The sol was obtained by vigorously stirring precursor solution at 50°C for 2h, then the temperature was raised...
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The morphology of vanadate glasses containing BaTiO3
Open Research DataThe morphology of vanadate glasses doped with BaTiO3 was measured. Samples of the composition of x[BaO,TiO2]–(80 − x)V2O5–20Bi2O3 where x = 5, 10 and 15 in mol% were prepared by a conventional melt quenching technique. The melting was performed in alumina crucibles at the temperature of 1273 K–1373 K. The melts were poured on a preheated (573 K) brass...
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The morphology of lead-borate glasses and nanocomposites doped with iron oxide
Open Research DataThe topography of iron-doped borate glasses and glass-ceramics were studied. Samples of composition of xFe2O3–(100 − x)(B2O3–2PbO) (2.5 < x < 37 in mol%) were prepared by the conventional meltquenching technique. The melting was conducted in alumina crucibles at the temperature of 1523 K. The melts were poured on a preheated (573 K) brass plate...
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The topography of Bi2VO5.5 ceramics prepared by melt-quenching technique was measured with confocal microscope
Open Research DataThe topography of Bi2VO5.5 ceramics prepared by melt-quenching technique was measured by confocal microscope.
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The structure of lead-borate glasses containing nanocrystallites of iron oxides
Open Research DataThe structure of iron-doped glasses and glass-ceramics were studied. Glass samples of composition of xFe2O3–(100 − x)(B2O3–2PbO) (2.5 b x b 37, in mol%) were prepared by the conventional melt quenching technique. The melting was conducted in alumina crucibles at the temperature of 1523 K. The melts were poured on a preheated (573 K) brass plate and...
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The XRD diffraction patterns of as-preapred (La0.3Sr0.6Ce0.1)0.9FexTi(1-x)O3-δ (x=0.1, 0.2 and 0.3) materials
Open Research DataThe (La0.3Sr0.6Ce0.1)0.9FexTi(1-x)O3-δ (x=0.1, 0.2 and 0.3) materials were synthesized via the Pechini method. First, the reagents in the form of nitrates were weighed and dissolved in DI water. In another beaker, a stoichiometric amount of titanium (IV) butoxide (Ti(OBu)4) was mixed together with reagent-grade ethylene glycol (EG), and citric acid...
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The XRD diffraction patterns of as-prepared (La0.3Sr0.6Ce0.1)0.9Me0.1Ti0.9O3-δ (Me= Co, Fe, Ni) materials
Open Research DataThe (La0.3Sr0.6Ce0.1)0.9Me0.1Ti0.9O3-δ (Me= Co, Fe, Ni) materials were synthesized via the Pechini method. First, the reagents in the form of nitrates were weighed and dissolved in DI water. In another beaker, a stoichiometric amount of titanium (IV) butoxide (Ti(OBu)4) was mixed together with reagent-grade ethylene glycol (EG), and citric acid (CA)...
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The XRD diffraction patterns of as-prepared (La0.3Sr0.6Ce0.1)0.9Ni0.05Me0.05Ti0.9O3-δ (Me= Co, Fe, Cu) materials
Open Research DataThe ((La0.3Sr0.6Ce0.1)0.9Ni0.05Me0.05Ti0.9O3-δ (Me= Co, Fe, Cu) materials were synthesized via the Pechini method. First, the reagents in the form of nitrates were weighed and dissolved in DI water. In another beaker, a stoichiometric amount of titanium (IV) butoxide (Ti(OBu)4) was mixed together with reagent-grade ethylene glycol (EG), and citric acid...
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The XRD diffraction patterns of as-prepared (La0.3Sr0.6Ce0.1)0.9FexMeyTi(1-x-y)O3-δ materials (Me=Ni,Co)
Open Research DataThe (La0.3Sr0.6Ce0.1)0.9FexMeyTi(1-x-y)O3-δ materials (Me=Ni,Co) were synthesized via the Pechini method. First, the reagents in the form of nitrates were weighed and dissolved in DI water. In another beaker, a stoichiometric amount of titanium (IV) butoxide (Ti(OBu)4) was mixed together with reagent-grade ethylene glycol (EG), and citric acid (CA)...
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Luminescence properties of TeOx-Eu thin films
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-Eu thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of europium ions were added, the nitrates were used as a source of rare-earth ions. The...
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Luminescence properties of TeOx-Tb thin films
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-Tb thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of terbium ions were added, the nitrates were used as a source of rare-earth ions. The...
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Linear impedance of strontium–borate glass measured with impedance spectroscopy method at low temperature region
Open Research DataThe linear electrcial properties of strontium–borate glass was measured by impedance spectroscopy method.
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Luminescence properties of TeOx-Dy thin films
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-Dy thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of dysprosium ions were added, the nitrates were used as a source of rare-earth ions....
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Linear impedance of Bi2VO5.5 glass-ceramic annealed at 423 K measured with impedance spectroscopy method at low temperature region
Open Research DataThe linear electrical properties of Bi2VO5.5 glass-ceramic annealed at 423 K prepared by traditional melt quenching technique was measured by impedance spectroscopy method.
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The structure of vanadate glass-ceramics containing BaTiO3 measured with X-ray diffraction method
Open Research DataThe structure of vanadate glass-ceramics doped with BaTiO3 was measured by XRD. Samples of the composition of x[BaO,TiO2]–(80 − x)V2O5–20Bi2O3 where x = 5, 10 and 15 in mol% were prepared by a conventional melt quenching technique. The melting was performed in alumina crucibles at the temperature of 1273 K–1373 K. The melts were poured on a preheated...
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Luminescence properties of TeOx-Dy thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-Dy thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of dysprosium ions were added, the nitrates were used as a source of rare-earth ions....
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Linear impedance of 25Na2O–20CaO–5P2O5–50SiO2 glass measured with impedance spectroscopy method at low temperature region
Open Research DataThe linear electrical properties of 25Na2O–20CaO–5P2O5–50SiO2 glass was measured by impedance spectroscopy method.
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Luminescence properties of TeOx-Tb thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-Tb thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of terbium ions were added, the nitrates were used as a source of rare-earth ions. The...
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Luminescence properties of TeOx-Eu thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-Eu thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of europium ions were added, the nitrates were used as a source of rare-earth ions. The...
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Chemical investigation of the Al2O3 ultra-thin films
Open Research DataUltra-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...
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The morphology of vanadate glass-ceramics containing BaTiO3
Open Research DataThe morphology of vanadate glass-ceramic doped with BaTiO3 was measured. Samples of the composition of x[BaO,TiO2]–(80 − x)V2O5–20Bi2O3 where x = 5, 10 and 15 in mol% were prepared by a conventional melt quenching technique. The melting was performed in alumina crucibles at the temperature of 1273 K–1373 K. The melts were poured on a preheated (573...
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Electrical properties of nanostructures in lead-silicate glasses and nanocomposites doped with iron oxide
Open Research DataElectrical properties of iron oxide nanostructures observed in silicate glasses and glass-ceramics were studied. Two different sets of glass samples were prepared. The first group of samples has the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO– xFe2O3, where x = 15, 20 and 25 (in mol%). Composition of the second group was 50SiO2–(50−x)PbO–xFe2O3, where...
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Magnetic properties of of lead-silicate glasses and nanocomposites doped with iron oxide
Open Research DataMagnetic properties of iron-doped glasses and glass-ceramics were studied. Two different sets of glass samples were prepared. The first group of samples has the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO– xFe2O3, where x = 15 and 20 (in mol%). Composition of the second group was 50SiO2–(50−x)PbO–xFe2O3, where x=15, 20 and 25 (in mol%). All sampleswere...
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Linear impedance of vanadate glasses containing BaTiO3
Open Research DataThe linear impedance of vanadate glasses doped with BaTiO3 was measured. Samples of the composition of x[BaO,TiO2]–(80 − x)V2O5–20Bi2O3 where x = 5, 10 and 15 in mol% were prepared by a conventional melt quenching technique. The melting was performed in alumina crucibles at the temperature of 1273 K–1373 K. The melts were poured on a preheated (573...
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The XRD diffraction patterns of (La0.3Sr0.6Ce0.1)0.9FexTi(1-x)O3-δ (x=0.1, 0.2 and 0.3) materials after reduction at 900 deg.C in hydrogen
Open Research DataThe (La0.3Sr0.6Ce0.1)0.9FexTi(1-x)O3-δ (x=0.1, 0.2 and 0.3) materials were synthesized via the Pechini method. First, the reagents in the form of nitrates were weighed and dissolved in DI water. In another beaker, a stoichiometric amount of titanium (IV) butoxide (Ti(OBu)4) was mixed together with reagent-grade ethylene glycol (EG), and citric acid...
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Luminescence properties of TeOx-2%Eu1.5%Tb1.5%Dy thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-2%Eu1.5%Tb1.5%Dy thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of rare-earth ions were added, the nitrates were used as a source of rare-earth...
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Luminescence properties of TeOx-2%Eu1.5%Tb1.5%Tm thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-2%Eu1.5%Tb1.5%Tm thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of rare-earth ions were added, the nitrates were used as a source of rare-earth...
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Luminescence properties of TeOx-1%Eu1.5%Tb2.5%Dy thin films annealing under an oxidizing atmosphere
Open Research DataThe DataSet contains the emission and excitation spectra of TeOx-1%Eu1.5%Tb2.5%Dy thin films. The material was obtained by the sol-gel method. The starting solution was prepared by mixing telluric acid (precursor) with thetraetylene glycol, water, and ethanol. Next, the 5% mol of rare-earth ions were added, the nitrates were used as a source of rare-earth...
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Electrical properties of silicate-lead glasses containing nanostructures of iron oxides.
Open Research DataElectrical properties of silicate-lead glasses doped with different content of iron oxide was studied. The set of glass samples were prepared with the composition of (50 − 0.5x)SiO2–(50 − 0.5x)PbO–xFe2O3, where x = 2, 5, 10, 15, 20 and 25 (in mol%). All sampleswere prepared by the conventional melt quenching technique; the melting was conducted in...
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TEM and EDX study of the Al2O3 ultra thin films
Open Research DataThe ultra-thin layers of Al2O3 were deposited on a silicon substrates. The method of atomic layer deposition (Beneq TFS 200 ALD system) was chosen as the proper method of dielectric layer deposition. This method provides precise thickness control down to a single atomic layer. The precursors used were trimethylaluminum (Sigma-Aldrich) and purified water....
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Linear impedance of strontium–borate glass measured with impedance spectroscopy method at high temperature region
Open Research DataThe linear electrcial properties of strontium–borate glass was measured by impedance spectroscopy method.
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The structure of vanadate glasses containing BaTiO3.
Open Research DataThe structure of vanadate glasses doped with BaTiO3 was measured by SEM technique. Samples of the composition of x[BaO,TiO2]–(80 − x)V2O5–20Bi2O3 where x = 5, 10 and 15 in mol% were prepared by a conventional melt quenching technique. The melting was performed in alumina crucibles at the temperature of 1273 K–1373 K. The melts were poured on a preheated...
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Linear impedance of vanadate glass-ceramics containing BaTiO3
Open Research DataThe linear impedance of vanadate glass-ceramics containing BaTiO3 was measured. Samples of the composition of x[BaO,TiO2]–(80 − x)V2O5–20Bi2O3 where x = 5, 10 and 15 in mol% were prepared by a conventional melt quenching technique. The melting was performed in alumina crucibles at the temperature of 1273 K–1373 K. The melts were poured on a preheated...
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The topography of as-quenched and heat treated 58(2Bi2O3-V2O5)-42SrB4O7 glasses measured with confocal microscope
Open Research DataThe topography of as-quenched and heat treated 58(2Bi2O3-V2O5)-42SrB4O7 glasses measured with confocal microscope.
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Electrical properties of lead-borate glasses and glass-ceramics containing iron ions
Open Research DataElectrical properties were studied for borate-lead glasses and glass-ceramics doped with iron ions. Glass samples of composition of xFe2O3–(100 − x)(B2O3–2PbO) (2.5 b x b 37, in mol%) were prepared by the conventional melt quenching technique. The melting was conducted in alumina crucibles at the temperature of 1523 K. The melts were poured on a preheated...
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Linear impedance of 58(2Bi2O3-V2O5)-42SrB4O7 glass measured with impedance spectroscopy method at low temperature region
Open Research DataThe linear electrcial properties of 58(2Bi2O3-V2O5)-42SrB4O7 glass was measured by impedance spectroscopy method.
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Linear impedance of 5(2Bi2O3-V2O5)-95SrB4O7 glass measured with impedance spectroscopy method at low temperature region
Open Research DataThe linear electrcial properties of 5(2Bi2O3-V2O5)-95SrB4O7 glass was measured by impedance spectroscopy method.
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Linear impedance of 50(2Bi2O3-V2O5)-50SrB4O7 glass measured with impedance spectroscopy method at low temperature region
Open Research DataThe linear electrcial properties of 50(2Bi2O3-V2O5)-50SrB4O7 glass was measured by impedance spectroscopy method.
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Linear impedance as a function of A.C. voltage for 50(2Bi2O3-V2O5)-50SrB4O7 glass measured with impedance spectroscopy method
Open Research DataThe linear electrcial properties as a function of A.C. voltage for 50(2Bi2O3-V2O5)-50SrB4O7 glass was measured by impedance spectroscopy method.
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The structure of 50(2Bi2O3-V2O5)-50SrB4O7 measured with X-ray diffraction method during heating
Open Research DataThe structure changes of 50(2Bi2O3-V2O5)-50SrB4O7 glass occurred during increase in temperature was measured by XRD.
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Linear impedance of 50(2Bi2O3-V2O5)-50SrB4O7 glass measured with impedance spectroscopy method at high temperature region
Open Research DataThe linear electrcial properties of 50(2Bi2O3-V2O5)-50SrB4O7 glass was measured by impedance spectroscopy method.
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The morphology of as-quenched and heat treated 58(2Bi2O3-V2O5)-42SrB4O7 glasses measured with AFM
Open Research DataThe morphology of as-quenched and heat treated 58(2Bi2O3-V2O5)-42SrB4O7 glasses was measured with the use of atomic force microscope.
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Linear and nonlinear impedance of alkali and iron doped silicate-lead glasses
Open Research DataLinear and nonlinear impedance was studied for lead-silicate glass samples doped with iron ions and alkaline oxides. The compositions of glasses were as follows: (in %mol) 50% SiO2, 25% PbO, 15% Fe2O3 and 15% one of alkaline oxides: Na2O, K2O, Li2O. All samples were prepared by the conventional melt quenching technique. The substrates were powdered...
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The structure of vanadate glass-ceramics containing BaTiO3.
Open Research DataThe structure of vanadate glass-ceramics doped with BaTiO3 was measured by SEM technique. Samples of the composition of x[BaO,TiO2]–(80 − x)V2O5–20Bi2O3 where x = 5, 10 and 15 in mol% were prepared by a conventional melt quenching technique. The melting was performed in alumina crucibles at the temperature of 1273 K–1373 K. The melts were poured on...
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Linear impedance of 58(2Bi2O3-V2O5)-42SrB4O7 glass heat-treated for 3 hours at 693 K, measured with impedance spectroscopy method at low temperature region
Open Research DataThe linear electrcial properties of partially crystallized 58(2Bi2O3-V2O5)-42SrB4O7 glass was measured by impedance spectroscopy method.
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Linear impedance of 5(2Bi2O3-V2O5)-95SrB4O7 glass measured with impedance spectroscopy method at high temperature region
Open Research DataThe linear electrcial properties of 5(2Bi2O3-V2O5)-95SrB4O7 glass was measured by impedance spectroscopy method.
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Linear impedance of 58(2Bi2O3-V2O5)-42SrB4O7 glass heat-treated for 10 hours at 693 K, measured with impedance spectroscopy method at low temperature region
Open Research DataThe linear electrcial properties of partially crystallized 58(2Bi2O3-V2O5)-42SrB4O7 glass was measured by impedance spectroscopy method.