Luminescence and Raman studies of YNbO_4 phosphors doped by Eu~(3+),Ga~(3+), and Al~(3+)

Mihail Nazarov; Young Jin Kim; Eun Young Lee; Kyoung-ln Min; Mun Seok Jeong; Su Woong Lee; Do Young Noh

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Luminescence and Raman studies of YNbO_4 phosphors doped by Eu~(3+),Ga~(3+), and Al~(3+)

机译：Eu〜（3 +），Ga〜（3+）和Al〜（3+）掺杂的YNbO_4荧光粉的发光和拉曼光谱研究

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Efficient phosphors based on YNbO_4 and doped by Eu~(3+), Ga~(3+), and Al~(3+) were synthesized with different fluxes under different thermal conditions and investigated under x-ray excitation and Raman spectroscopy. The samples codoped by Al~(3+) and Ga~(3+) show higher intensity under x-ray excitation in comparison with YNbO_4: Eu~(3+) phosphors. The model of redistribution energy transfer from ~5D_1 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.

机译：在不同的热条件下，以不同的通量合成了高效的基于YNbO_4并掺有Eu〜（3 +），Ga〜（3+）和Al〜（3+）的荧光粉，并在X射线激发和拉曼光谱下进行了研究。与YNbO_4：Eu〜（3+）荧光粉相比，Al〜（3+）和Ga〜（3+）共掺杂的样品在X射线激发下显示出更高的强度。提出了从〜5D_1能级到〜7F_J能级重新分配能量的模型。单斜硅镁铝石晶体结构和在X射线激发下的出色发光性能使这些磷光体成为不同应用的良好候选者。

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来源
《Journal of Applied Physics》 |2010年第10期|P.103104.1-103104.6|共6页
作者
Mihail Nazarov; Young Jin Kim; Eun Young Lee; Kyoung-ln Min; Mun Seok Jeong; Su Woong Lee; Do Young Noh;
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作者单位

Department of Materials Science and Engineering, Gwangju Institute of Science and Technology, 1 Oryong-dong, Buk-gu, Gwangju 500-712, Republic of Korea Institute of Electronic Engineering and Industrial Technologies, Academy Sciences of Moldova, Republic of Moldova;

Department of Materials Science and Engineering, Kyonggi University, Suwon, 443-760, Republic of Korea;

Department of Materials Science and Engineering, Kyonggi University, Suwon, 443-760, Republic of Korea;

Advanced Photonics Research Institute, 1 Oryong-dong, Buk-gu, Gwangju 500-712, Republic of Korea Department of Physics, Chonbuk National University, Jeonju 561-756, Republic of Korea;

Advanced Photonics Research Institute, 1 Oryong-dong, Buk-gu, Gwangju 500-712, Republic of Korea;

Graduate Program of Photon Science and Technology, Gwangju Institute of Science and Technology, 1 Oryong-dong, Buk-gu, Gwangju 500-712, Republic of Korea;

Department of Materials Science and Engineering, Gwangju Institute of Science and Technology, 1 Oryong-dong, Buk-gu, Gwangju 500-712, Republic of Korea Graduate Program of Photon Science and Technology, Gwangju Institute of Science and Technology, 1 Oryong-dong, Buk-gu, Gwangju 500-712, Republic of Korea;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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Luminescence and Raman studies of YNbO_4 phosphors doped by Eu~(3+),Ga~(3+), and Al~(3+)

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