Structural and optical properties of Nd3+ doped columbite SrNb2O6

Mete Kaan Ekmekçi; Murat Erdem; Ali Sadi Başak; Özkan Daniş

doi:10.1016/j.ijleo.2016.01.107

Structural and optical properties of Nd³⁺ doped columbite SrNb₂O₆

Mete Kaan Ekmekçi^*, Murat Erdem, Ali Sadi Başak, Özkan Daniş

^*Corresponding author for this work

Marmara University

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Nd-doped SrNb₂O₆ particles have been prepared by a molten salt method using strontium nitrate, niobium oxide and NaCl-KCl salt mixture as a flux at a relatively low temperature as compared to solid-state reaction method. X-ray diffraction patterns of the pure SrNb₂O₆ samples exhibited a single orthorhombic phase. Photoluminescence (PL) properties of Nd-doped samples in near-infrared spectral region were studied in detail. A characteristic luminescence of Nd³⁺ at 1.06 μm was observed for Nd-doped SrNb₂O₆. Concentration quenching phenomenon was detected depending on the Nd-doping concentrations at room temperature. This characteristic of the doped samples may be ascribed to the energy transfer between Nd³⁺ and niobate groups (NbO₆).

Original language	English
Pages (from-to)	4123-4126
Number of pages	4
Journal	Optik
Volume	127
Issue number	8
DOIs	https://doi.org/10.1016/j.ijleo.2016.01.107
Publication status	Published - 1 Apr 2016
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2016 Elsevier GmbH.

Funding

This study was financially supported by the Marmara University Research Fund (BAPKO) with the project number FEN-A-150513-0171 .

Funders	Funder number
Marmara Üniversitesi	FEN-A-150513-0171

Keywords

Columbite niobates
Luminescence
Molten salt synthesis

Access to Document

10.1016/j.ijleo.2016.01.107

Cite this

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title = "Structural and optical properties of Nd3+ doped columbite SrNb2O6",

abstract = "Nd-doped SrNb2O6 particles have been prepared by a molten salt method using strontium nitrate, niobium oxide and NaCl-KCl salt mixture as a flux at a relatively low temperature as compared to solid-state reaction method. X-ray diffraction patterns of the pure SrNb2O6 samples exhibited a single orthorhombic phase. Photoluminescence (PL) properties of Nd-doped samples in near-infrared spectral region were studied in detail. A characteristic luminescence of Nd3+ at 1.06 μm was observed for Nd-doped SrNb2O6. Concentration quenching phenomenon was detected depending on the Nd-doping concentrations at room temperature. This characteristic of the doped samples may be ascribed to the energy transfer between Nd3+ and niobate groups (NbO6).",

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author = "Ekmek{\c c}i, \{Mete Kaan\} and Murat Erdem and Ba{\c s}ak, \{Ali Sadi\} and {\"O}zkan Dani{\c s}",

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T1 - Structural and optical properties of Nd3+ doped columbite SrNb2O6

AU - Ekmekçi, Mete Kaan

AU - Erdem, Murat

AU - Başak, Ali Sadi

AU - Daniş, Özkan

PY - 2016/4/1

Y1 - 2016/4/1

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AB - Nd-doped SrNb2O6 particles have been prepared by a molten salt method using strontium nitrate, niobium oxide and NaCl-KCl salt mixture as a flux at a relatively low temperature as compared to solid-state reaction method. X-ray diffraction patterns of the pure SrNb2O6 samples exhibited a single orthorhombic phase. Photoluminescence (PL) properties of Nd-doped samples in near-infrared spectral region were studied in detail. A characteristic luminescence of Nd3+ at 1.06 μm was observed for Nd-doped SrNb2O6. Concentration quenching phenomenon was detected depending on the Nd-doping concentrations at room temperature. This characteristic of the doped samples may be ascribed to the energy transfer between Nd3+ and niobate groups (NbO6).

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KW - Luminescence

KW - Molten salt synthesis

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