Properties of Resistive Hydrogen Sensors as a Function of Additives of 3D-Metals Introduced in the Volume of Thin Nanocrystalline $ SnO_{2} $ Films
Analysis of the results of studying electrical and gas sensitive characteristics of the molecular hydrogen sensors based on thin nanocrystalline $ SnO_{2} $ films coated with dispersed Au layers and containing Au+Ni and Au+Co impurities in the bulk showed that the characteristics of these sensors ar...
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| Autor*in: |
Sevast’yanov, E. Yu. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media, LLC, part of Springer Nature 2017 |
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| Übergeordnetes Werk: |
Enthalten in: Russian physics journal - Springer US, 1992, 60(2017), 7 vom: Nov., Seite 1094-1098 |
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| Übergeordnetes Werk: |
volume:60 ; year:2017 ; number:7 ; month:11 ; pages:1094-1098 |
| Links: |
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| DOI / URN: |
10.1007/s11182-017-1184-6 |
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OLC203308986X |
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| 520 | |a Analysis of the results of studying electrical and gas sensitive characteristics of the molecular hydrogen sensors based on thin nanocrystalline $ SnO_{2} $ films coated with dispersed Au layers and containing Au+Ni and Au+Co impurities in the bulk showed that the characteristics of these sensors are more stable under the prolonged exposure to hydrogen in comparison with Au/$ SnO_{2} $:Sb, Au films modified only with gold. It has been found that introduction of the nickel and cobalt additives increases the band bending at the grain boundaries of tin dioxide already in freshly prepared samples, which indicates an increase in the density $ N_{i} $ of the chemisorbed oxygen. It is important that during testing, the band bending $ eφ_{s} $ at the grain boundaries of tin dioxide additionally slightly increases. It can be assumed that during crystallization of films under thermal annealing, the 3d-metal atoms in the $ SnO_{2} $ volume partially segregate on the surface of microcrystals and form bonds with lattice oxygen, the superstoichiometric tin atoms are formed, and the density $ N_{i} $ increases. If the bonds of oxygen with nickel and cobalt are stronger than those with tin, then, under the prolonged tests, atomic hydrogen will be oxidized not by lattice oxygen, but mainly by the chemisorbed one. In this case, stability of the sensors’ characteristics increases. | ||
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10.1007/s11182-017-1184-6 doi (DE-627)OLC203308986X (DE-He213)s11182-017-1184-6-p DE-627 ger DE-627 rakwb eng 530 370 VZ Sevast’yanov, E. Yu. verfasserin aut Properties of Resistive Hydrogen Sensors as a Function of Additives of 3D-Metals Introduced in the Volume of Thin Nanocrystalline $ SnO_{2} $ Films 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2017 Analysis of the results of studying electrical and gas sensitive characteristics of the molecular hydrogen sensors based on thin nanocrystalline $ SnO_{2} $ films coated with dispersed Au layers and containing Au+Ni and Au+Co impurities in the bulk showed that the characteristics of these sensors are more stable under the prolonged exposure to hydrogen in comparison with Au/$ SnO_{2} $:Sb, Au films modified only with gold. It has been found that introduction of the nickel and cobalt additives increases the band bending at the grain boundaries of tin dioxide already in freshly prepared samples, which indicates an increase in the density $ N_{i} $ of the chemisorbed oxygen. It is important that during testing, the band bending $ eφ_{s} $ at the grain boundaries of tin dioxide additionally slightly increases. It can be assumed that during crystallization of films under thermal annealing, the 3d-metal atoms in the $ SnO_{2} $ volume partially segregate on the surface of microcrystals and form bonds with lattice oxygen, the superstoichiometric tin atoms are formed, and the density $ N_{i} $ increases. If the bonds of oxygen with nickel and cobalt are stronger than those with tin, then, under the prolonged tests, atomic hydrogen will be oxidized not by lattice oxygen, but mainly by the chemisorbed one. In this case, stability of the sensors’ characteristics increases. sensors tin dioxide additives hydrogen thermo-cyclic mode stability Maksimova, N. K. aut Potekaev, A. I. aut Sergeichenko, N. V. aut Chernikov, E. V. aut Almaev, A. V. aut Kushnarev, B. O. aut Enthalten in Russian physics journal Springer US, 1992 60(2017), 7 vom: Nov., Seite 1094-1098 (DE-627)131169718 (DE-600)1138228-4 (DE-576)033029253 1064-8887 nnns volume:60 year:2017 number:7 month:11 pages:1094-1098 https://doi.org/10.1007/s11182-017-1184-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_70 AR 60 2017 7 11 1094-1098 |
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10.1007/s11182-017-1184-6 doi (DE-627)OLC203308986X (DE-He213)s11182-017-1184-6-p DE-627 ger DE-627 rakwb eng 530 370 VZ Sevast’yanov, E. Yu. verfasserin aut Properties of Resistive Hydrogen Sensors as a Function of Additives of 3D-Metals Introduced in the Volume of Thin Nanocrystalline $ SnO_{2} $ Films 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2017 Analysis of the results of studying electrical and gas sensitive characteristics of the molecular hydrogen sensors based on thin nanocrystalline $ SnO_{2} $ films coated with dispersed Au layers and containing Au+Ni and Au+Co impurities in the bulk showed that the characteristics of these sensors are more stable under the prolonged exposure to hydrogen in comparison with Au/$ SnO_{2} $:Sb, Au films modified only with gold. It has been found that introduction of the nickel and cobalt additives increases the band bending at the grain boundaries of tin dioxide already in freshly prepared samples, which indicates an increase in the density $ N_{i} $ of the chemisorbed oxygen. It is important that during testing, the band bending $ eφ_{s} $ at the grain boundaries of tin dioxide additionally slightly increases. It can be assumed that during crystallization of films under thermal annealing, the 3d-metal atoms in the $ SnO_{2} $ volume partially segregate on the surface of microcrystals and form bonds with lattice oxygen, the superstoichiometric tin atoms are formed, and the density $ N_{i} $ increases. If the bonds of oxygen with nickel and cobalt are stronger than those with tin, then, under the prolonged tests, atomic hydrogen will be oxidized not by lattice oxygen, but mainly by the chemisorbed one. In this case, stability of the sensors’ characteristics increases. sensors tin dioxide additives hydrogen thermo-cyclic mode stability Maksimova, N. K. aut Potekaev, A. I. aut Sergeichenko, N. V. aut Chernikov, E. V. aut Almaev, A. V. aut Kushnarev, B. O. aut Enthalten in Russian physics journal Springer US, 1992 60(2017), 7 vom: Nov., Seite 1094-1098 (DE-627)131169718 (DE-600)1138228-4 (DE-576)033029253 1064-8887 nnns volume:60 year:2017 number:7 month:11 pages:1094-1098 https://doi.org/10.1007/s11182-017-1184-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_70 AR 60 2017 7 11 1094-1098 |
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10.1007/s11182-017-1184-6 doi (DE-627)OLC203308986X (DE-He213)s11182-017-1184-6-p DE-627 ger DE-627 rakwb eng 530 370 VZ Sevast’yanov, E. Yu. verfasserin aut Properties of Resistive Hydrogen Sensors as a Function of Additives of 3D-Metals Introduced in the Volume of Thin Nanocrystalline $ SnO_{2} $ Films 2017 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media, LLC, part of Springer Nature 2017 Analysis of the results of studying electrical and gas sensitive characteristics of the molecular hydrogen sensors based on thin nanocrystalline $ SnO_{2} $ films coated with dispersed Au layers and containing Au+Ni and Au+Co impurities in the bulk showed that the characteristics of these sensors are more stable under the prolonged exposure to hydrogen in comparison with Au/$ SnO_{2} $:Sb, Au films modified only with gold. It has been found that introduction of the nickel and cobalt additives increases the band bending at the grain boundaries of tin dioxide already in freshly prepared samples, which indicates an increase in the density $ N_{i} $ of the chemisorbed oxygen. It is important that during testing, the band bending $ eφ_{s} $ at the grain boundaries of tin dioxide additionally slightly increases. It can be assumed that during crystallization of films under thermal annealing, the 3d-metal atoms in the $ SnO_{2} $ volume partially segregate on the surface of microcrystals and form bonds with lattice oxygen, the superstoichiometric tin atoms are formed, and the density $ N_{i} $ increases. If the bonds of oxygen with nickel and cobalt are stronger than those with tin, then, under the prolonged tests, atomic hydrogen will be oxidized not by lattice oxygen, but mainly by the chemisorbed one. In this case, stability of the sensors’ characteristics increases. sensors tin dioxide additives hydrogen thermo-cyclic mode stability Maksimova, N. K. aut Potekaev, A. I. aut Sergeichenko, N. V. aut Chernikov, E. V. aut Almaev, A. V. aut Kushnarev, B. O. aut Enthalten in Russian physics journal Springer US, 1992 60(2017), 7 vom: Nov., Seite 1094-1098 (DE-627)131169718 (DE-600)1138228-4 (DE-576)033029253 1064-8887 nnns volume:60 year:2017 number:7 month:11 pages:1094-1098 https://doi.org/10.1007/s11182-017-1184-6 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY GBV_ILN_70 AR 60 2017 7 11 1094-1098 |
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Properties of Resistive Hydrogen Sensors as a Function of Additives of 3D-Metals Introduced in the Volume of Thin Nanocrystalline $ SnO_{2} $ Films |
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Properties of Resistive Hydrogen Sensors as a Function of Additives of 3D-Metals Introduced in the Volume of Thin Nanocrystalline $ SnO_{2} $ Films |
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Sevast’yanov, E. Yu. |
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Russian physics journal |
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Sevast’yanov, E. Yu. Maksimova, N. K. Potekaev, A. I. Sergeichenko, N. V. Chernikov, E. V. Almaev, A. V. Kushnarev, B. O. |
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530 370 |
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properties of resistive hydrogen sensors as a function of additives of 3d-metals introduced in the volume of thin nanocrystalline $ sno_{2} $ films |
| title_auth |
Properties of Resistive Hydrogen Sensors as a Function of Additives of 3D-Metals Introduced in the Volume of Thin Nanocrystalline $ SnO_{2} $ Films |
| abstract |
Analysis of the results of studying electrical and gas sensitive characteristics of the molecular hydrogen sensors based on thin nanocrystalline $ SnO_{2} $ films coated with dispersed Au layers and containing Au+Ni and Au+Co impurities in the bulk showed that the characteristics of these sensors are more stable under the prolonged exposure to hydrogen in comparison with Au/$ SnO_{2} $:Sb, Au films modified only with gold. It has been found that introduction of the nickel and cobalt additives increases the band bending at the grain boundaries of tin dioxide already in freshly prepared samples, which indicates an increase in the density $ N_{i} $ of the chemisorbed oxygen. It is important that during testing, the band bending $ eφ_{s} $ at the grain boundaries of tin dioxide additionally slightly increases. It can be assumed that during crystallization of films under thermal annealing, the 3d-metal atoms in the $ SnO_{2} $ volume partially segregate on the surface of microcrystals and form bonds with lattice oxygen, the superstoichiometric tin atoms are formed, and the density $ N_{i} $ increases. If the bonds of oxygen with nickel and cobalt are stronger than those with tin, then, under the prolonged tests, atomic hydrogen will be oxidized not by lattice oxygen, but mainly by the chemisorbed one. In this case, stability of the sensors’ characteristics increases. © Springer Science+Business Media, LLC, part of Springer Nature 2017 |
| abstractGer |
Analysis of the results of studying electrical and gas sensitive characteristics of the molecular hydrogen sensors based on thin nanocrystalline $ SnO_{2} $ films coated with dispersed Au layers and containing Au+Ni and Au+Co impurities in the bulk showed that the characteristics of these sensors are more stable under the prolonged exposure to hydrogen in comparison with Au/$ SnO_{2} $:Sb, Au films modified only with gold. It has been found that introduction of the nickel and cobalt additives increases the band bending at the grain boundaries of tin dioxide already in freshly prepared samples, which indicates an increase in the density $ N_{i} $ of the chemisorbed oxygen. It is important that during testing, the band bending $ eφ_{s} $ at the grain boundaries of tin dioxide additionally slightly increases. It can be assumed that during crystallization of films under thermal annealing, the 3d-metal atoms in the $ SnO_{2} $ volume partially segregate on the surface of microcrystals and form bonds with lattice oxygen, the superstoichiometric tin atoms are formed, and the density $ N_{i} $ increases. If the bonds of oxygen with nickel and cobalt are stronger than those with tin, then, under the prolonged tests, atomic hydrogen will be oxidized not by lattice oxygen, but mainly by the chemisorbed one. In this case, stability of the sensors’ characteristics increases. © Springer Science+Business Media, LLC, part of Springer Nature 2017 |
| abstract_unstemmed |
Analysis of the results of studying electrical and gas sensitive characteristics of the molecular hydrogen sensors based on thin nanocrystalline $ SnO_{2} $ films coated with dispersed Au layers and containing Au+Ni and Au+Co impurities in the bulk showed that the characteristics of these sensors are more stable under the prolonged exposure to hydrogen in comparison with Au/$ SnO_{2} $:Sb, Au films modified only with gold. It has been found that introduction of the nickel and cobalt additives increases the band bending at the grain boundaries of tin dioxide already in freshly prepared samples, which indicates an increase in the density $ N_{i} $ of the chemisorbed oxygen. It is important that during testing, the band bending $ eφ_{s} $ at the grain boundaries of tin dioxide additionally slightly increases. It can be assumed that during crystallization of films under thermal annealing, the 3d-metal atoms in the $ SnO_{2} $ volume partially segregate on the surface of microcrystals and form bonds with lattice oxygen, the superstoichiometric tin atoms are formed, and the density $ N_{i} $ increases. If the bonds of oxygen with nickel and cobalt are stronger than those with tin, then, under the prolonged tests, atomic hydrogen will be oxidized not by lattice oxygen, but mainly by the chemisorbed one. In this case, stability of the sensors’ characteristics increases. © Springer Science+Business Media, LLC, part of Springer Nature 2017 |
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Properties of Resistive Hydrogen Sensors as a Function of Additives of 3D-Metals Introduced in the Volume of Thin Nanocrystalline $ SnO_{2} $ Films |
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