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Bismuth-oxide nanop...
Bismuth-oxide nanoparticles : study in a beam and as deposited
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- Mikkelä, M.-H. (author)
- Lund Univ, MAX Lab 4, Box 118, S-22100 Lund, Sweden.
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- Marnauza, M. (author)
- Lund Univ, Ctr Anal & Synth, nCHREM, S-22100 Lund, Sweden.
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- Hetherington, C. J. D. (author)
- Lund Univ, Ctr Anal & Synth, nCHREM, S-22100 Lund, Sweden.
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- Wallenberg, R. (author)
- Lund Univ, Ctr Anal & Synth, nCHREM, S-22100 Lund, Sweden.
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- Mårsell, E. (author)
- Lund Univ, MAX Lab 4, Box 118, S-22100 Lund, Sweden.
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- Liu, Yen-Po (author)
- Lund Univ, Dept Synchrotron Radiat, Box 118, S-22100 Lund, Sweden.
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- Mikkelsen, A. (author)
- Lund Univ, Dept Synchrotron Radiat, Box 118, S-22100 Lund, Sweden.
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- Björneholm, Olle (author)
- Uppsala universitet,Kemisk och biomolekylär fysik
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- Öhrwall, G. (author)
- Lund Univ, MAX Lab 4, Box 118, S-22100 Lund, Sweden.
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- Tchaplyguine, M. (author)
- Lund Univ, MAX Lab 4, Box 118, S-22100 Lund, Sweden.
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Lund Univ, MAX Lab 4, Box 118, S-22100 Lund, Sweden Lund Univ, Ctr Anal & Synth, nCHREM, S-22100 Lund, Sweden. (creator_code:org_t)
- Royal Society of Chemistry, 2024
- 2024
- English.
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In: Physical Chemistry, Chemical Physics - PCCP. - : Royal Society of Chemistry. - 1463-9076 .- 1463-9084. ; 26:13, s. 10369-10381
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Abstract
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- Bi2O3 is a promising material for solid-oxide fuel cells (SOFC) due to the high ionic conductivity of some phases. The largest value is reached for its δ-phase, but it is normally stable at temperatures too high for SOFC operation, while nanostructured oxide is believed to have more suitable stabilization temperature. However, to manufacture such a material with a controlled chemical composition is a challenging task. In this work, we investigated the fabrication of nanostructured Bi2O3 films formed by deposition of free Bi-oxide nanoparticles created in situ. The particle-production method was based on reactive sputtering and vapour aggregation. Depending on the fabrication conditions, the nanoparticles contained either a combination of Bi–metal and Bi-oxide, or only Bi-oxide. Prior to deposition, the free particles were probed in the beam – by synchrotron-based photoelectron spectroscopy (PES), which allowed assessing their composition "on the-fly". The nanoparticle films obtained after deposition were studied by PES, scanning electron microscopy, transmission electron microscopy, and electron diffraction. The films' chemical composition, grain dimensions, and crystal structure were probed. Our analysis suggests that our method produced Bi-oxide films in more than one polymorph of Bi2O3.
Subject headings
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Mikkelä, M.-H.
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Marnauza, M.
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Hetherington, C. ...
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Wallenberg, R.
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Mårsell, E.
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Liu, Yen-Po
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show more...
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Mikkelsen, A.
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Björneholm, Olle
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Öhrwall, G.
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Tchaplyguine, M.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Chemical Science ...
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and Materials Chemis ...
- Articles in the publication
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Physical Chemist ...
- By the university
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Uppsala University