Preprint Open Access

Influence of 2s Bloch wave state excitations on quantitative HAADF STEM imaging

Wouters, C; Markurt, T; Albrecht, M; Rotunno, Enzo; Grillo, Vincenzo


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  <identifier identifierType="URL">https://zenodo.org/record/3836143</identifier>
  <creators>
    <creator>
      <creatorName>Wouters, C</creatorName>
      <givenName>C</givenName>
      <familyName>Wouters</familyName>
      <affiliation>Leibniz-Institut für Kristallzüchtung</affiliation>
    </creator>
    <creator>
      <creatorName>Markurt, T</creatorName>
      <givenName>T</givenName>
      <familyName>Markurt</familyName>
      <affiliation>Leibniz-Institut für Kristallzüchtung</affiliation>
    </creator>
    <creator>
      <creatorName>Albrecht, M</creatorName>
      <givenName>M</givenName>
      <familyName>Albrecht</familyName>
      <affiliation>Leibniz-Institut für Kristallzüchtung</affiliation>
    </creator>
    <creator>
      <creatorName>Rotunno, Enzo</creatorName>
      <givenName>Enzo</givenName>
      <familyName>Rotunno</familyName>
      <affiliation>CNR</affiliation>
    </creator>
    <creator>
      <creatorName>Grillo, Vincenzo</creatorName>
      <givenName>Vincenzo</givenName>
      <familyName>Grillo</familyName>
      <affiliation>CNR</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Influence of 2s Bloch wave state excitations on quantitative HAADF STEM imaging</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2020</publicationYear>
  <dates>
    <date dateType="Issued">2020-05-20</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Preprint</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/3836143</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1103/PhysRevB.100.184106</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/qsort</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="https://creativecommons.org/licenses/by/4.0/legalcode">Creative Commons Attribution 4.0 International</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">&lt;p&gt;In this paper the influence of 2s Bloch wave states on high angle annular dark field image contrast is studied&lt;br&gt;
quantitatively by Bloch wave and multislice simulations. We show that 2s states are excited beyond a critical Z&lt;br&gt;
value and cause a long period oscillation of the electron probe wave function that significantly influences the Z&lt;br&gt;
contrast. As a result, we find that the Z contrast for high Z alloys remains thickness dependent up to high sample&lt;br&gt;
thicknesses and this effect has to be considered for compositional analysis. In the special case of ordered alloys,&lt;br&gt;
the impact of 2s excitations on intensity provides a way to quantify long-range order phenomena in alloys with&lt;br&gt;
known composition.&lt;/p&gt;</description>
  </descriptions>
  <fundingReferences>
    <fundingReference>
      <funderName>European Commission</funderName>
      <funderIdentifier funderIdentifierType="Crossref Funder ID">10.13039/501100000780</funderIdentifier>
      <awardNumber awardURI="info:eu-repo/grantAgreement/EC/H2020/766970/">766970</awardNumber>
      <awardTitle>QUANTUM SORTER</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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