1 Ocak 2019 Dergi makalesi Açık Erişim

Sar, Huseyin; Ozden, Ayberk; Demiroglu, Ilker; Sevik, Cem; Perkgoz, Nihan K.; Ay, Feridun

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/75287</identifier>
  <creators>
    <creator>
      <creatorName>Sar, Huseyin</creatorName>
      <givenName>Huseyin</givenName>
      <familyName>Sar</familyName>
      <affiliation>Eskisehir Tech Univ, Dept Elect &amp; Elect Engn, TR-26555 Eskisehir, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Ozden, Ayberk</creatorName>
      <givenName>Ayberk</givenName>
      <familyName>Ozden</familyName>
      <affiliation>Eskisehir Tech Univ, Dept Mat Sci &amp; Engn, TR-26555 Eskisehir, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Demiroglu, Ilker</creatorName>
      <givenName>Ilker</givenName>
      <familyName>Demiroglu</familyName>
      <affiliation>Eskisehir Tech Univ, Dept Mech Engn, TR-26555 Eskisehir, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Sevik, Cem</creatorName>
      <givenName>Cem</givenName>
      <familyName>Sevik</familyName>
      <affiliation>Eskisehir Tech Univ, Dept Mech Engn, TR-26555 Eskisehir, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Perkgoz, Nihan K.</creatorName>
      <givenName>Nihan K.</givenName>
      <familyName>Perkgoz</familyName>
      <affiliation>Eskisehir Tech Univ, Dept Elect &amp; Elect Engn, TR-26555 Eskisehir, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Ay, Feridun</creatorName>
      <givenName>Feridun</givenName>
      <familyName>Ay</familyName>
      <affiliation>Eskisehir Tech Univ, Dept Elect &amp; Elect Engn, TR-26555 Eskisehir, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Long-Term Stability Control Of Cvd-Grown Monolayer Mos2</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2019</publicationYear>
  <dates>
    <date dateType="Issued">2019-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/75287</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1002/pssr.201800687</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">The structural stability of 2D transition metal dichalcogenide (TMD) formations is of particular importance for their reliable device performance in nano-electronics and opto-electronics. Recent observations show that the CVD-grown TMD monolayers are likely to encounter stability problems such as cracking or fracturing when they are kept under ambient conditions. Here, two different growth configurations are investigated and a favorable growth geometry is proposed, which also sheds light onto the growth mechanism and provides a solution for the stability and fracture formation issues for TMDs specifically for MoS2 monolayers. It is shown that 18 months naturally and thermally aged MoS2 monolayer flakes grown using specifically developed conditions, retain their stability. To understand the mechanism of the structural deterioration, two possible effective mechanisms, S vacancy defects and growth-induced tensile stress, are assessed by the first principle calculations where the role of S vacancy defects in obtaining oxidation resistant MoS2 monolayer flakes is revealed to be rather more critical. Hence, these simulations, time-dependent observations and thermal aging experiments show that durability and stability of 2D MoS2 flakes can be controlled by CVD growth configuration.</description>
  </descriptions>
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