Luminescence and Raman studies of YNbO4 phosphors doped by Eu3+, Ga3+, and Al3+

Nazarov Michael V.; Kim Young Jin; Lee Eun Young; Min Kyoung-In; Jeong Mun Seok; Lee Su Woong; Noh Do Young

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NAZAROV, Michael V., KIM, Young Jin, LEE, Eun Young, MIN, Kyoung-In, JEONG, Mun Seok, LEE, Su Woong, NOH, Do Young. Luminescence and Raman studies of YNbO4 phosphors doped by Eu3+, Ga3+, and Al3+. In: Journal of Applied Physics, 2010, vol. 107, pp. 1-6. ISSN 0021-8979. DOI: https://doi.org/10.1063/1.3392918

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Journal of Applied Physics

Volumul 107 / 2010 / ISSN 0021-8979 /ISSNe 1089-7550

Luminescence and Raman studies of YNbO₄ phosphors doped by Eu³⁺, Ga³⁺, and Al³⁺

DOI:https://doi.org/10.1063/1.3392918

Pag. 1-6

Nazarov Michael V.¹², Kim Young Jin³, Lee Eun Young³, Min Kyoung-In⁴⁵, Jeong Mun Seok⁴, Lee Su Woong¹, Noh Do Young¹

¹ Gwangju Institute of Science and Technology, Gwangju,
² Institute of Electronic Engineering and Industrial Technologies, Academy of Sciences of Moldova,
³ Kyonggi University,
⁴ Advanced Photonics Research Institute, Buk-Gu,
⁵ Chonbuk National University

Disponibil în IBN: 6 noiembrie 2023

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Efficient phosphors based on YNbO₄ and doped by Eu³⁺, Ga³⁺, and Al³⁺ were synthesized with different fluxes under different thermal conditions and investigated under x-ray excitation and Raman spectroscopy. The samples codoped by Al³⁺ and Ga³⁺ show higher intensity under x-ray excitation in comparison with YNbO ₄: Eu³⁺ phosphors. The model of redistribution energy transfer from ⁵D₁ level to ⁷F_J is proposed. Monoclinic fergusonite crystal structure and excellent luminescent properties under x-ray excitation allow recommend these phosphors as good candidates for different applications

Cuvinte-cheie
Engineering controlled terms Aluminum, crystal structure, Doping (additives), energy transfer, Europium, gallium, Phosphors, Raman spectroscopy, Synthesis (chemical) Engineering uncontrolled terms Co-doped, Fergusonite, Luminescent property, Raman studies, Thermal condition, X-ray excitation Engineering main heading Luminescence

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<creatorName>Kim, Y.</creatorName>
<affiliation>Kyonggi University, Coreea de Sud</affiliation>
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<creatorName>Lee, E.</creatorName>
<affiliation>Kyonggi University, Coreea de Sud</affiliation>
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<creatorName>Min, K.</creatorName>
<affiliation>Advanced Photonics Research Institute, Buk-Gu, Coreea de Sud</affiliation>
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<creatorName>Jeong, M.</creatorName>
<affiliation>Advanced Photonics Research Institute, Buk-Gu, Coreea de Sud</affiliation>
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<creator>
<creatorName>Lee, S.</creatorName>
<affiliation>Gwangju Institute of Science and Technology, Gwangju, Coreea de Sud</affiliation>
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<titles>
<title xml:lang='en'>Luminescence and Raman studies of YNbO4 phosphors doped by Eu3+, Ga3+, and Al3+</title>
</titles>
<publisher>Instrumentul Bibliometric National</publisher>
<publicationYear>2010</publicationYear>
<relatedIdentifier relatedIdentifierType='ISSN' relationType='IsPartOf'>0021-8979</relatedIdentifier>
<subjects>
<subject>Engineering controlled terms
Aluminum</subject>
<subject>crystal structure</subject>
<subject>Doping (additives)</subject>
<subject>energy transfer</subject>
<subject>Europium</subject>
<subject>gallium</subject>
<subject>Phosphors</subject>
<subject>Raman spectroscopy</subject>
<subject>Synthesis (chemical)
Engineering uncontrolled terms
Co-doped</subject>
<subject>Fergusonite</subject>
<subject>Luminescent property</subject>
<subject>Raman studies</subject>
<subject>Thermal condition</subject>
<subject>X-ray excitation
Engineering main heading
Luminescence</subject>
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<date dateType='Issued'>2010-03-03</date>
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<description xml:lang='en' descriptionType='Abstract'><p>Efficient phosphors based on YNbO<sub>4</sub>&nbsp;and doped by Eu<sup>3+</sup>, Ga<sup>3+</sup>, and Al<sup>3+</sup>&nbsp;were synthesized with different fluxes under different thermal conditions and investigated under x-ray excitation and Raman spectroscopy. The samples codoped by Al<sup>3+</sup>&nbsp;and Ga<sup>3+</sup>&nbsp;show higher intensity under x-ray excitation in comparison with YNbO&nbsp;<sub>4</sub>: Eu<sup>3+</sup>&nbsp;phosphors. The model of redistribution energy transfer from&nbsp;<sup>5</sup>D<sub>1</sub>&nbsp;level to&nbsp;<sup>7</sup>F<sub>J</sub>&nbsp;is proposed. Monoclinic fergusonite crystal structure and excellent luminescent properties under x-ray excitation allow recommend these phosphors as good candidates for different applications</p></description>
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