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Thermal quenching mechanisms of the Eu3+ luminescence in Ca9Al(PO4)7 obtained by citric route

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Title: Thermal quenching mechanisms of the Eu3+ luminescence in Ca9Al(PO4)7 obtained by citric route
Authors: Pązik, Robert1 R.Pazik@int.pan.wroc.pl, Zawisza, Katarzyna1,2, Watras, Adam1, Maleszka-Bagińska, Kinga1, Boutinaud, Philippe3, Mahiou, Rachid4, Dereń, Przemysław J.1 P.Deren@int.pan.wroc.pl
Source: Materials Research Bulletin. Feb2013, Vol. 48 Issue 2, p337-342. 6p.
Subjects: Europium isotopes, Quenching (Chemistry), Europium compounds, Metal ions, Luminescence, Calcium compounds, Citric acid
Abstract: Abstract: The citric route was employed for synthesis of the pure phase Ca9Al(PO4)7:Eu3+ (CAlP:Eu3+) powders as an attractive alternative to the solid state reaction (no need of multistep and long thermal treatment). Structural properties of the final product were studied by means of X-ray diffraction as well as Rietveld refinement was conducted in order to calculate the cell parameters. The thermal behavior of the emission was studied using excitation line well matched with the 7F0 → 5D4 absorption band covering broad range of temperature. Activation energy was estimated to be equal to 10,550cm−1. The thermal behavior of the Eu3+ luminescence in CAlP crystal lattice shown that the almost 80% of intensity is kept up to 430K. [Copyright &y& Elsevier]
Copyright of Materials Research Bulletin is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 84575485
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Thermal quenching mechanisms of the Eu<superscript>3+</superscript> luminescence in Ca<subscript>9</subscript>Al(PO<subscript>4</subscript>)<subscript>7</subscript> obtained by citric route
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  Data: <searchLink fieldCode="AR" term="%22Pązik%2C+Robert%22">Pązik, Robert</searchLink><relatesTo>1</relatesTo><i> R.Pazik@int.pan.wroc.pl</i><br /><searchLink fieldCode="AR" term="%22Zawisza%2C+Katarzyna%22">Zawisza, Katarzyna</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Watras%2C+Adam%22">Watras, Adam</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Maleszka-Bagińska%2C+Kinga%22">Maleszka-Bagińska, Kinga</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Boutinaud%2C+Philippe%22">Boutinaud, Philippe</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Mahiou%2C+Rachid%22">Mahiou, Rachid</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Dereń%2C+Przemysław+J%2E%22">Dereń, Przemysław J.</searchLink><relatesTo>1</relatesTo><i> P.Deren@int.pan.wroc.pl</i>
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  Data: <searchLink fieldCode="JN" term="%22Materials+Research+Bulletin%22">Materials Research Bulletin</searchLink>. Feb2013, Vol. 48 Issue 2, p337-342. 6p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Europium+isotopes%22">Europium isotopes</searchLink><br /><searchLink fieldCode="DE" term="%22Quenching+%28Chemistry%29%22">Quenching (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Europium+compounds%22">Europium compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Metal+ions%22">Metal ions</searchLink><br /><searchLink fieldCode="DE" term="%22Luminescence%22">Luminescence</searchLink><br /><searchLink fieldCode="DE" term="%22Calcium+compounds%22">Calcium compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Citric+acid%22">Citric acid</searchLink>
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  Label: Abstract
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  Data: Abstract: The citric route was employed for synthesis of the pure phase Ca9Al(PO4)7:Eu3+ (CAlP:Eu3+) powders as an attractive alternative to the solid state reaction (no need of multistep and long thermal treatment). Structural properties of the final product were studied by means of X-ray diffraction as well as Rietveld refinement was conducted in order to calculate the cell parameters. The thermal behavior of the emission was studied using excitation line well matched with the 7F0 → 5D4 absorption band covering broad range of temperature. Activation energy was estimated to be equal to 10,550cm−1. The thermal behavior of the Eu3+ luminescence in CAlP crystal lattice shown that the almost 80% of intensity is kept up to 430K. [Copyright &y& Elsevier]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Materials Research Bulletin is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.materresbull.2012.10.034
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 6
        StartPage: 337
    Subjects:
      – SubjectFull: Europium isotopes
        Type: general
      – SubjectFull: Quenching (Chemistry)
        Type: general
      – SubjectFull: Europium compounds
        Type: general
      – SubjectFull: Metal ions
        Type: general
      – SubjectFull: Luminescence
        Type: general
      – SubjectFull: Calcium compounds
        Type: general
      – SubjectFull: Citric acid
        Type: general
    Titles:
      – TitleFull: Thermal quenching mechanisms of the Eu3+ luminescence in Ca9Al(PO4)7 obtained by citric route
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            NameFull: Watras, Adam
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            NameFull: Maleszka-Bagińska, Kinga
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              M: 02
              Text: Feb2013
              Type: published
              Y: 2013
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