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Structural and Transport Properties of E-Beam Sintered Lanthanide Tungstates and Tungstates-Molybdates.

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Title: Structural and Transport Properties of E-Beam Sintered Lanthanide Tungstates and Tungstates-Molybdates.
Authors: Sadykov, Vladislav1 (AUTHOR) sadykov@catalysis.ru, Bespalko, Yuliya1 (AUTHOR), Sadovskaya, Ekaterina1 (AUTHOR), Krieger, Tamara1 (AUTHOR), Belyaev, Vladimir1 (AUTHOR), Eremeev, Nikita1 (AUTHOR), Mikhailenko, Mikhail2 (AUTHOR), Bryazgin, Alexander3 (AUTHOR), Korobeynikov, Mikhail3 (AUTHOR), Ulihin, Artem2 (AUTHOR), Uvarov, Nikolai2 (AUTHOR)
Source: Nanomaterials (2079-4991). Oct2022, Vol. 12 Issue 19, p3282. 11p.
Subjects: Tungstates, Electron beams, Membrane separation, Hydrogen production, Ceramic materials, Powders, Charge carrier mobility
Abstract: Lanthanide tungstates and molybdates are promising materials for hydrogen separation membranes due to their high protonic conductivity. A promising approach to fabricating ceramics based on these materials is radiation thermal sintering. The current work aims at studying the effect of radiation thermal sintering on the structural morphological and transport properties of (Nd,Ln)5.5(W,Mo)O11.25–δ as promising materials for hydrogen separation membranes. The defect fluorite structure was shown to be preserved during radiation thermal sintering at 1100 °C. The presence of protons in hydrated samples was confirmed by TGA. According to four-electrode studies and the isotope exchange of oxygen with C18O2, the samples demonstrate a high proton conductivity and oxygen mobility. Residual porosity (up to 29%) observed for these samples can be dealt with during membrane preparation by adding sintering aids and/or metal alloys nanoparticles. Hence, sintering by e-beams can be applied to the manufacturing of hydrogen separation membranes based on these materials. [ABSTRACT FROM AUTHOR]
Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Label: Title
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  Data: Structural and Transport Properties of E-Beam Sintered Lanthanide Tungstates and Tungstates-Molybdates.
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  Data: <searchLink fieldCode="AR" term="%22Sadykov%2C+Vladislav%22">Sadykov, Vladislav</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sadykov@catalysis.ru</i><br /><searchLink fieldCode="AR" term="%22Bespalko%2C+Yuliya%22">Bespalko, Yuliya</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Sadovskaya%2C+Ekaterina%22">Sadovskaya, Ekaterina</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Krieger%2C+Tamara%22">Krieger, Tamara</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Belyaev%2C+Vladimir%22">Belyaev, Vladimir</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Eremeev%2C+Nikita%22">Eremeev, Nikita</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Mikhailenko%2C+Mikhail%22">Mikhailenko, Mikhail</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bryazgin%2C+Alexander%22">Bryazgin, Alexander</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Korobeynikov%2C+Mikhail%22">Korobeynikov, Mikhail</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ulihin%2C+Artem%22">Ulihin, Artem</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Uvarov%2C+Nikolai%22">Uvarov, Nikolai</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nanomaterials+%282079-4991%29%22">Nanomaterials (2079-4991)</searchLink>. Oct2022, Vol. 12 Issue 19, p3282. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Tungstates%22">Tungstates</searchLink><br /><searchLink fieldCode="DE" term="%22Electron+beams%22">Electron beams</searchLink><br /><searchLink fieldCode="DE" term="%22Membrane+separation%22">Membrane separation</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen+production%22">Hydrogen production</searchLink><br /><searchLink fieldCode="DE" term="%22Ceramic+materials%22">Ceramic materials</searchLink><br /><searchLink fieldCode="DE" term="%22Powders%22">Powders</searchLink><br /><searchLink fieldCode="DE" term="%22Charge+carrier+mobility%22">Charge carrier mobility</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Lanthanide tungstates and molybdates are promising materials for hydrogen separation membranes due to their high protonic conductivity. A promising approach to fabricating ceramics based on these materials is radiation thermal sintering. The current work aims at studying the effect of radiation thermal sintering on the structural morphological and transport properties of (Nd,Ln)5.5(W,Mo)O11.25–δ as promising materials for hydrogen separation membranes. The defect fluorite structure was shown to be preserved during radiation thermal sintering at 1100 °C. The presence of protons in hydrated samples was confirmed by TGA. According to four-electrode studies and the isotope exchange of oxygen with C18O2, the samples demonstrate a high proton conductivity and oxygen mobility. Residual porosity (up to 29%) observed for these samples can be dealt with during membrane preparation by adding sintering aids and/or metal alloys nanoparticles. Hence, sintering by e-beams can be applied to the manufacturing of hydrogen separation membranes based on these materials. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Nanomaterials (2079-4991) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.3390/nano12193282
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 11
        StartPage: 3282
    Subjects:
      – SubjectFull: Tungstates
        Type: general
      – SubjectFull: Electron beams
        Type: general
      – SubjectFull: Membrane separation
        Type: general
      – SubjectFull: Hydrogen production
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      – SubjectFull: Ceramic materials
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      – SubjectFull: Powders
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      – SubjectFull: Charge carrier mobility
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      – TitleFull: Structural and Transport Properties of E-Beam Sintered Lanthanide Tungstates and Tungstates-Molybdates.
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              Text: Oct2022
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