Structural and optical characterization of Tm3+-doped apatite related NaLa9(GeO4)6O2 phosphors

Липина, О. А.; Baklanova, Yana V.; Сурат, Л. Л.; Мелкозерова, М. А.; Chufarov, Alexander Yu.; Tyutyunnik, А. P.; Зубков, В. Г.

doi:10.1016/j.ceramint.2020.03.225

Ceramics International

2020

DOI: 10.1016/j.ceramint.2020.03.225

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Structural and optical characterization of Tm3+-doped apatite related NaLa9(GeO4)6O2 phosphors

О. А. Липина

Yana V. Baklanova

Л. Л. Сурат

et al.

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Cited by 9 publications

References 49 publications

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Thermally‐Induced Reentrant Order‐Disorder‐Order Transitions in ALa₉(GeO₄)₆O₂ Apatites

Chufarov,

Tyutyunnik,

Tarakina

et al. 2024

Advanced Optical Materials

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Oxyapatites A10(GeO4)6O2 (A – alkaline, rare‐earth elements) are considered promising materials for applications in solid‐state lighting and non‐contact thermometry. The temperature dynamics of the oxygen sublattice have a crucial influence on the luminescent properties of these optical hosts. Here, the structural evolution with temperature of germanates with the general formula ALa9(GeO4)6O2 (A – Li, Na, K, Rb) is investigated, using X‐ray and neutron powder diffraction methods. These compounds crystallize in space‐group P63/m. NPD experiments helped to determine the oxygen and alkaline metal positions. Thermally‐induced reentrant structural transitions relating to the oxygen in the apatite channel are discovered for the first time. In the example of Eu‐doped RbLa9(GeO4)6O2 and KLa9(GeO4)6O2, it is demonstrated that the luminescence of the Eu3+ ion is influenced by small changes in the crystal structure.

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Thermally‐Induced Reentrant Order‐Disorder‐Order Transitions in ALa₉(GeO₄)₆O₂ Apatites

Chufarov,

Tyutyunnik,

Tarakina

et al. 2024

Advanced Optical Materials

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Crystal structure, infrared luminescence and magnetic properties of Tm3+-doped and Tm3+-, Dy3+-codoped BaY2Ge3O10 germanates

Baklanova

Липина

Chufarov

et al. 2021

J Mater Sci: Mater Electron

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Highly thermostable Ba2Ln2Ge4O13:Dy3+ (Ln = Y, Gd) phosphors: Synthesis and optical properties

Tang

Song

et al. 2023

Ceramics International

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Structural and optical characterization of Tm3+-doped apatite related NaLa9(GeO4)6O2 phosphors

Cited by 9 publications

References 49 publications

Thermally‐Induced Reentrant Order‐Disorder‐Order Transitions in ALa₉(GeO₄)₆O₂ Apatites

Thermally‐Induced Reentrant Order‐Disorder‐Order Transitions in ALa₉(GeO₄)₆O₂ Apatites

Crystal structure, infrared luminescence and magnetic properties of Tm3+-doped and Tm3+-, Dy3+-codoped BaY2Ge3O10 germanates

Highly thermostable Ba2Ln2Ge4O13:Dy3+ (Ln = Y, Gd) phosphors: Synthesis and optical properties

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Structural and optical characterization of Tm3+-doped apatite related NaLa9(GeO4)6O2 phosphors

Cited by 9 publications

References 49 publications

Thermally‐Induced Reentrant Order‐Disorder‐Order Transitions in ALa9(GeO4)6O2 Apatites

Thermally‐Induced Reentrant Order‐Disorder‐Order Transitions in ALa9(GeO4)6O2 Apatites

Crystal structure, infrared luminescence and magnetic properties of Tm3+-doped and Tm3+-, Dy3+-codoped BaY2Ge3O10 germanates

Highly thermostable Ba2Ln2Ge4O13:Dy3+ (Ln = Y, Gd) phosphors: Synthesis and optical properties

Contact Info

Product

Resources

About

Thermally‐Induced Reentrant Order‐Disorder‐Order Transitions in ALa₉(GeO₄)₆O₂ Apatites

Thermally‐Induced Reentrant Order‐Disorder‐Order Transitions in ALa₉(GeO₄)₆O₂ Apatites