Journal article Open Access

Ultrathin Eu- and Er-Doped Y2O3 Films with Optimized Optical Properties for Quantum Technologies

Scarafagio, Marion; Tallaire, Alexandre; Tielrooij, Klaas-Jan; Cano, Daniel; Grishin, André; Chavanne, Marie-Hélène; Koppens, Frank H. L.; Ringuedé, Armelle; Cassir, Michel; Serrano, Diana; Goldner, Philippe; Ferrier, Alban


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  <identifier identifierType="URL">https://zenodo.org/record/3250542</identifier>
  <creators>
    <creator>
      <creatorName>Scarafagio, Marion</creatorName>
      <givenName>Marion</givenName>
      <familyName>Scarafagio</familyName>
      <affiliation>Institut de Recherche de Chimie Paris, Université PSL, Chimie ParisTech, CNRS, 75005 Paris, France</affiliation>
    </creator>
    <creator>
      <creatorName>Tallaire, Alexandre</creatorName>
      <givenName>Alexandre</givenName>
      <familyName>Tallaire</familyName>
      <affiliation>Institut de Recherche de Chimie Paris, Université PSL, Chimie ParisTech, CNRS, 75005 Paris, France</affiliation>
    </creator>
    <creator>
      <creatorName>Tielrooij, Klaas-Jan</creatorName>
      <givenName>Klaas-Jan</givenName>
      <familyName>Tielrooij</familyName>
      <affiliation>BIST The Barcelona Institute of Science and Technology, ICFO—Institut de Ciències Fotòniques, Castelldefels, 08860 Barcelona, Spain</affiliation>
    </creator>
    <creator>
      <creatorName>Cano, Daniel</creatorName>
      <givenName>Daniel</givenName>
      <familyName>Cano</familyName>
      <affiliation>IST The Barcelona Institute of Science and Technology, ICFO—Institut de Ciències Fotòniques, Castelldefels, 08860 Barcelona, Spain</affiliation>
    </creator>
    <creator>
      <creatorName>Grishin, André</creatorName>
      <givenName>André</givenName>
      <familyName>Grishin</familyName>
      <affiliation>Institut de Recherche de Chimie Paris, Université PSL, Chimie ParisTech, CNRS, 75005 Paris, France</affiliation>
    </creator>
    <creator>
      <creatorName>Chavanne, Marie-Hélène</creatorName>
      <givenName>Marie-Hélène</givenName>
      <familyName>Chavanne</familyName>
      <affiliation>Institut de Recherche de Chimie Paris, Université PSL, Chimie ParisTech, CNRS, 75005 Paris, France</affiliation>
    </creator>
    <creator>
      <creatorName>Koppens, Frank H. L.</creatorName>
      <givenName>Frank H. L.</givenName>
      <familyName>Koppens</familyName>
      <affiliation>IST The Barcelona Institute of Science and Technology, ICFO—Institut de Ciències Fotòniques, Castelldefels, 08860 Barcelona, Spain</affiliation>
    </creator>
    <creator>
      <creatorName>Ringuedé, Armelle</creatorName>
      <givenName>Armelle</givenName>
      <familyName>Ringuedé</familyName>
      <affiliation>Institut de Recherche de Chimie Paris, Université PSL, Chimie ParisTech, CNRS, 75005 Paris, France</affiliation>
    </creator>
    <creator>
      <creatorName>Cassir, Michel</creatorName>
      <givenName>Michel</givenName>
      <familyName>Cassir</familyName>
      <affiliation>Institut de Recherche de Chimie Paris, Université PSL, Chimie ParisTech, CNRS, 75005 Paris, France</affiliation>
    </creator>
    <creator>
      <creatorName>Serrano, Diana</creatorName>
      <givenName>Diana</givenName>
      <familyName>Serrano</familyName>
      <affiliation>Institut de Recherche de Chimie Paris, Université PSL, Chimie ParisTech, CNRS, 75005 Paris, France</affiliation>
    </creator>
    <creator>
      <creatorName>Goldner, Philippe</creatorName>
      <givenName>Philippe</givenName>
      <familyName>Goldner</familyName>
      <affiliation>Institut de Recherche de Chimie Paris, Université PSL, Chimie ParisTech, CNRS, 75005 Paris, France</affiliation>
    </creator>
    <creator>
      <creatorName>Ferrier, Alban</creatorName>
      <givenName>Alban</givenName>
      <familyName>Ferrier</familyName>
      <affiliation>Institut de Recherche de Chimie Paris, Université PSL, Chimie ParisTech, CNRS, 75005 Paris, France</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Ultrathin Eu- and Er-Doped Y2O3 Films with Optimized Optical Properties for Quantum Technologies</title>
  </titles>
  <publisher>Zenodo</publisher>
  <publicationYear>2019</publicationYear>
  <subjects>
    <subject>rare earth</subject>
    <subject>nanoqtech</subject>
    <subject>quantum technologies</subject>
    <subject>thin film</subject>
  </subjects>
  <dates>
    <date dateType="Issued">2019-05-03</date>
  </dates>
  <resourceType resourceTypeGeneral="JournalArticle"/>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://zenodo.org/record/3250542</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1021/acs.jpcc.9b02597</relatedIdentifier>
    <relatedIdentifier relatedIdentifierType="URL" relationType="IsPartOf">https://zenodo.org/communities/nanoqtech-h2020</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;Atomic layer deposited (ALD) Y2O3&amp;nbsp;thin&amp;nbsp;films have been thoroughly&lt;br&gt;
investigated for optical or electronic applications. The coherent spectroscopy of&lt;br&gt;
lanthanide ions doped into this material has also recently attracted increasing interest&lt;br&gt;
in the&amp;nbsp;field of quantum technologies for which they are considered promising candidates&lt;br&gt;
in quantum memories or as spin&amp;minus;photon interfaces. However, these most demanding&lt;br&gt;
applications require a deep control over the local positioning of the ions and their close&lt;br&gt;
environment in the crystalline matrix. This study focuses on the structural as well as&lt;br&gt;
optical properties of Eu3+&amp;nbsp;and Er3+&amp;nbsp;dopants in Y2O3&amp;nbsp;using photoluminescence (PL),&lt;br&gt;
luminescence decay times, and inhomogeneous line width (&amp;Gamma;inh) measurements within&lt;br&gt;
this particular context. While as-grown ALD&amp;nbsp;films do not provide an ideal host for the&lt;br&gt;
emitters, we demonstrate that by optimizing the deposition conditions and using&lt;br&gt;
appropriate annealing post treatments narrow inhomogeneous lines can be obtained for&lt;br&gt;
the&amp;nbsp;7F0&amp;nbsp;&amp;harr;&amp;nbsp;5D0&amp;nbsp;transition of Eu3+&amp;nbsp;even for nanoscale&amp;nbsp;films. Furthermore, about 1.5 ms&lt;br&gt;
lifetime has been measured for the infrared telecom transition of Er in ultrathin&amp;nbsp;films (&amp;lt;10 nm), which is an order of magnitude higher than in nanoparticles of the same size. These results validate optimized rare-earth-doped ALD Y2O3&amp;nbsp;films as a suitable platform for photonics applications where few-nanometer-thick&amp;nbsp;films with well-localized emitters are mandatory. This approach provides the&amp;nbsp;first building blocks toward the development of more complex devices for quantum sensing or hybrid structures coupled with other systems such as two-dimensional materials.&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/H2020/712721/">712721</awardNumber>
      <awardTitle>Nanoscale Systems for Optical Quantum Technologies</awardTitle>
    </fundingReference>
  </fundingReferences>
</resource>
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