Extending ζ-factor microanalysis to boron-rich ceramics : Quantification of bulk stoichiometry and grain boundary composition
Copyright © 2019 Elsevier B.V. All rights reserved..
Accurate quantification of light elements which produce only soft X-ray lines via X-ray energy dispersive spectrometry (XEDS) has been traditionally difficult due to poor X-ray emission and detector efficiencies at low energies and significant X-ray absorption effects. The ζ-factor microanalysis method enables one to correct for these shortcomings; however, ζ-factor microanalysis has not yet been thoroughly applied to inorganic materials which are entirely or mostly composed of light elements such as boron carbide, boron nitride, or boron suboxide. This work successfully extended ζ-factor microanalysis to boron-rich ceramics and accurately determined stoichiometries of multiple boron carbides and measured grain boundary compositions of a boron carbide mixed with additives consisting of rare-earth ions. Various strategies were employed to experimentally determine a full range of ζ-factors and measurements were validated using materials of known composition including silicon hexaboride and silicon carbide. Overall, this work has shown that XEDS is a viable technique for light element quantification in (scanning) transmission electron microscopy, in terms of both the accuracy and precision, which is comparable or superior to the complementary electron energy loss spectrometry.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:202 |
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| Enthalten in: |
Ultramicroscopy - 202(2019) vom: 01. Juli, Seite 163-172 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Marvel, C J [VerfasserIn] |
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| Links: |
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| Themen: |
ζ-factor quantitative microanalysis |
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| Anmerkungen: |
Date Revised 20.11.2019 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1016/j.ultramic.2019.04.008 |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM296980641 |
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| 245 | 1 | 0 | |a Extending ζ-factor microanalysis to boron-rich ceramics |b Quantification of bulk stoichiometry and grain boundary composition |
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| 500 | |a Date Revised 20.11.2019 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright © 2019 Elsevier B.V. All rights reserved. | ||
| 520 | |a Accurate quantification of light elements which produce only soft X-ray lines via X-ray energy dispersive spectrometry (XEDS) has been traditionally difficult due to poor X-ray emission and detector efficiencies at low energies and significant X-ray absorption effects. The ζ-factor microanalysis method enables one to correct for these shortcomings; however, ζ-factor microanalysis has not yet been thoroughly applied to inorganic materials which are entirely or mostly composed of light elements such as boron carbide, boron nitride, or boron suboxide. This work successfully extended ζ-factor microanalysis to boron-rich ceramics and accurately determined stoichiometries of multiple boron carbides and measured grain boundary compositions of a boron carbide mixed with additives consisting of rare-earth ions. Various strategies were employed to experimentally determine a full range of ζ-factors and measurements were validated using materials of known composition including silicon hexaboride and silicon carbide. Overall, this work has shown that XEDS is a viable technique for light element quantification in (scanning) transmission electron microscopy, in terms of both the accuracy and precision, which is comparable or superior to the complementary electron energy loss spectrometry | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Analytical electron microscopy | |
| 650 | 4 | |a Boron-rich armor ceramics | |
| 650 | 4 | |a Grain boundary excess quantification | |
| 650 | 4 | |a X-ray energy dispersive spectrometry | |
| 650 | 4 | |a ζ-factor quantitative microanalysis | |
| 700 | 1 | |a Behler, K D |e verfasserin |4 aut | |
| 700 | 1 | |a LaSalvia, J C |e verfasserin |4 aut | |
| 700 | 1 | |a Domnich, V |e verfasserin |4 aut | |
| 700 | 1 | |a Haber, R A |e verfasserin |4 aut | |
| 700 | 1 | |a Watanabe, M |e verfasserin |4 aut | |
| 700 | 1 | |a Harmer, M P |e verfasserin |4 aut | |
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