1 Ocak 2016 Dergi makalesi Açık Erişim

Auwal, I. A.; Erdemi, H.; Sozeri, H.; Gungunes, H.; Baykal, A.

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/98693</identifier>
  <creators>
    <creator>
      <creatorName>Auwal, I. A.</creatorName>
      <givenName>I. A.</givenName>
      <familyName>Auwal</familyName>
      <affiliation>Fatih Univ, Dept Chem, TR-34500 Istanbul, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Erdemi, H.</creatorName>
      <givenName>H.</givenName>
      <familyName>Erdemi</familyName>
      <affiliation>Yalova Univ, Dept Polymer Engn, TR-77100 Yalova, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Sozeri, H.</creatorName>
      <givenName>H.</givenName>
      <familyName>Sozeri</familyName>
      <affiliation>Natl Metrol Inst, TUBITAK UME, POB 54, TR-41470 Gebze, Kocaeli, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Gungunes, H.</creatorName>
      <givenName>H.</givenName>
      <familyName>Gungunes</familyName>
      <affiliation>Hitit Univ, Dept Phys, Cevre Yolu Bulvari, TR-19030 Corum, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Baykal, A.</creatorName>
      <givenName>A.</givenName>
      <familyName>Baykal</familyName>
      <affiliation>Fatih Univ, Dept Chem, TR-34500 Istanbul, Turkey</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Magnetic And Dielectric Properties Of Bi3+ Substituted Srfe12O19 Hexaferrite</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2016</publicationYear>
  <dates>
    <date dateType="Issued">2016-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/98693</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.jmmm.2016.03.066</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">In the present study, SrBixFe12-xO19 (0.0 &amp;lt;= x &amp;lt;= 1.0) nanomaterials were successfully synthesized by using chemical co-precipitation method. Products were characterized by X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Vibrating sample magnetometer (VSM), Mossbauer spectroscopy, AC conductivity and dielectric measurements. The crystal structural information studied by X-ray diffraction (XRD) indicated the formation of single phase pure hexagonal structure, while electron-dispersive X-ray spectroscopy (EDX) revealed the stoichiometric ratio among Bi, Sr, Fe elements. The crystallite sizes of the products were in the range of 65-82 nm. VSM analysis showed a tendency in saturation magnetization as Bi2O3 concentration raises, which can be ascribed to preferential site occupied by Bi3+ ions. The frequency-dependent ac conductivity plots exhibited similar trends for all samples. A significant temperature-dependent behavior was only observed at low and medium frequencies. The replacement of non-magnetic Bi3+ ions by Fe3+ ones having magnetic moment of 5 mu B decrease the magnetic moment of 4f1 site. The AC conductivity increases with frequency as hopping of the charge carriers increases between Fe2+ and Fe3+ The DC conductivity exhibited an improvement with increasing temperature and Bi content, and the highest conductivity was measured as 2.84 x 10(-9) S cm(-1) for x=0.8 at 120 degrees C. The variation of dielectric constant, dielectric loss and tangent loss was observed with the frequency and temperature due to change of electrical conductivity as x changes. (C) 2016 Elsevier B.V. All rights reserved.</description>
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