1 Ocak 2015 Dergi makalesi Açık Erişim

Rodenbough, Philip P.; Song, Junhua; Walker, David; Clark, Simon M.; Kalkan, Bora; Chan, Siu-Wai

DataCite XML

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/78353</identifier>
  <creators>
    <creator>
      <creatorName>Rodenbough, Philip P.</creatorName>
      <givenName>Philip P.</givenName>
      <familyName>Rodenbough</familyName>
    </creator>
    <creator>
      <creatorName>Song, Junhua</creatorName>
      <givenName>Junhua</givenName>
      <familyName>Song</familyName>
      <affiliation>Columbia Univ, Dept Appl Phys &amp; Appl Math, Mat Sci &amp; Engn Program, New York, NY 10027 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Walker, David</creatorName>
      <givenName>David</givenName>
      <familyName>Walker</familyName>
      <affiliation>Columbia Univ, Dept Earth &amp; Environm Sci, Lamont Doherty Earth Observ, Palisades, NY 10964 USA</affiliation>
    </creator>
    <creator>
      <creatorName>Clark, Simon M.</creatorName>
      <givenName>Simon M.</givenName>
      <familyName>Clark</familyName>
    </creator>
    <creator>
      <creatorName>Kalkan, Bora</creatorName>
      <givenName>Bora</givenName>
      <familyName>Kalkan</familyName>
      <affiliation>Hacettepe Univ, Dept Engn Phys, TR-06800 Ankara, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Chan, Siu-Wai</creatorName>
      <givenName>Siu-Wai</givenName>
      <familyName>Chan</familyName>
      <affiliation>Columbia Univ, Dept Appl Phys &amp; Appl Math, Mat Sci &amp; Engn Program, New York, NY 10027 USA</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Size Dependent Compressibility Of Nano-Ceria: Minimum Near 33 Nm</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2015</publicationYear>
  <dates>
    <date dateType="Issued">2015-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/78353</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1063/1.4918625</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">We report the crystallite-size-dependency of the compressibility of nanoceria under hydrostatic pressure for a wide variety of crystallite diameters and comment on the size-based trends indicating an extremum near 33 nm. Uniform nano-crystals of ceria were synthesized by basic precipitation from cerium (III) nitrate. Size-control was achieved by adjusting mixing time and, for larger particles, a subsequent annealing temperature. The nano-crystals were characterized by transmission electron microscopy and standard ambient x-ray diffraction (XRD). Compressibility, or its reciprocal, bulk modulus, was measured with high-pressure XRD at LBL-ALS, using helium, neon, or argon as the pressure-transmitting medium for all samples. As crystallite size decreased below 100 nm, the bulk modulus first increased, and then decreased, achieving a maximum near a crystallite diameter of 33 nm. We review earlier work and examine several possible explanations for the peaking of bulk modulus at an intermediate crystallite size. (C) 2015 AIP Publishing LLC.</description>
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