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Title: Luminescent Properties of Sm3+activated β-NaYF4 Microcrystals
Authors: Nanda, S.S.
Nayak, Priyanka
Dash, S
Keywords: Sm3+
activated β-NaYF4microphosphors
hydrothermal process
Issue Date: Dec-2019
Citation: 64th DAE Solid State Physics SymposiumDecember 18-22, 2019
Abstract: Sm3+(1, 3, 5, 7and 10 at.%) activated β-NaYF4microphosphors were prepared via hydrothermal process at 200 0C. X-ray diffraction (XRD), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), and selected area electron diffraction (SAED) have been used to investigate the morphology and crystal structure of the samples. One interesting outcome of photo-luminescence study involved the relative intensity variation of the strongest emission peak at ~600 nm due to 4G5/2-6H7/2transition under the excitation of 400 nm. These results were explained on the basis of multiple energy levels and self-concentration quenching associated with the activator ion.
Description: Copyright of this document belongs to the proceedings publisher
Appears in Collections:Conference Papers

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