Fabrication and optical properties of garnet ceramics based on Y3−xScxAl5O12 doped with ytterbium and erbium

Тарала, В.А.; Kuznetsov, S. V.; Chapura, О.М.; Malyavin, Fedor; Brazhko, E.A.; Кравцов, А.В.

doi:10.1039/d3dt01453c

Dalton Trans.

2023

DOI: 10.1039/d3dt01453c

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Fabrication and optical properties of garnet ceramics based on Y_3−xSc_xAl₅O₁₂ doped with ytterbium and erbium

В.А. Тарала

S. V. Kuznetsov

О.М. Chapura

et al.

Abstract: Optical ceramics YSAG:Yb,Er with an average grain size of 6±1 microns were fabricated by vacuum sintering of nanocrystalline powders of the compositions Y2.34Yb0.045Er0.09Sc0.20Al4.92O12, Y1.66Yb0.45Er0.09Sc1.00Al4.80O12 and Y 0.96Yb0.45Er0.09Sc1.70Al4.80O12. The linear transmittance...

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Efficiency of Cr3+ → Cr4+ conversion in YSAG:Cr ceramics

Suprunchuk,

Kravtsov,

Malyavin

et al. 2024

Ceramics International

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Efficiency of Cr3+ → Cr4+ conversion in YSAG:Cr ceramics

Suprunchuk,

Kravtsov,

Malyavin

et al. 2024

Ceramics International

View full text Add to dashboard Cite

Influence of Yb³⁺ content on the optical and thermophysical properties of YSAG:Yb:Er solid solutions

Tarala,

Malyavin,

Kravtsov

et al. 2024

J Am Ceram Soc.

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Using the method of non‐reactive sintering of nanocrystalline powders, highly transparent samples of optical ceramics based on solid solutions of yttrium‐scandium aluminum garnets containing 50 at.% scandium in the dodecahedral position and doped with erbium (1 at.%) and ytterbium (0–49 at.%) cations (YSAG:Yb:Er) were produced. The influence of Yb3+ concentration on the crystal lattice parameter, density, refractive index, stability of YSAG:Yb:Er solid solutions during high‐temperature sintering, thermal conductivity, optical transmittance and absorption coefficients in the wavelength range from 200 to 1100 nm, as well as Stokes and anti‐Stokes luminescence, was determined. The revealed patterns make it possible to fine‐tune the physical and chemical characteristics of ceramics for the design of composite laser materials.

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Optical properties of YSAG : Yb : Er ceramics with Sc3+ cations in the dodecahedral and octahedral positions of the garnet crystal lattice

Tarala,

Kravtsov,

Kuznetsov

et al. 2023

MoEM

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Optical ceramics based on YSAG : Yb : Er with the compositions {Y1.86Yb0.45Er0.09Sc0.6}[Al1.6Sc0.4]Al3O12 and {Y2.26Yb0.45Er0.09Sc0.2}[Al1.0Sc1.0]Al3O12 were fabricated by vacuum sintering from pre-synthesized nanocrystalline powders. A comparative analysis of these samples with optical ceramics of the compositions {Y2.34Yb0.45Er0.09Sc0.12}[Al1.92Sc0.08]Al3O12 and {Y0.96Yb0.45Er0.09Sc1.50}[Al1.8Sc0.2]Al3O12 was carried out. The influence of scandium cations in the dodecahedral and octahedral positions of the garnet crystal lattice on the refractive index of YSAG : Yb : Er, as well as the values of absorption coefficients, integral luminescent intensities, and lifetimes of excited states of Yb3+ (2F7/2 and 2F5/2) and Er3+ (4I15/2, 4I13/2, 4F9/2, and 4S3/2) cations was revealed in the wavelength ranges 520–700 nm and 890–1690 nm. It has been shown that by changing the concentrations of scandium cations in the dodecahedral and octahedral positions of the crystal lattice of YSAG : Yb : Er solid solutions, it is possible to purposefully change the efficiency of energy transfer from ytterbium cations to erbium cations.

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Fabrication and optical properties of garnet ceramics based on Y_3−xSc_xAl₅O₁₂ doped with ytterbium and erbium

Abstract: Optical ceramics YSAG:Yb,Er with an average grain size of 6±1 microns were fabricated by vacuum sintering of nanocrystalline powders of the compositions Y2.34Yb0.045Er0.09Sc0.20Al4.92O12, Y1.66Yb0.45Er0.09Sc1.00Al4.80O12 and Y 0.96Yb0.45Er0.09Sc1.70Al4.80O12. The linear transmittance...

Cited by 3 publications

References 55 publications

Efficiency of Cr3+ → Cr4+ conversion in YSAG:Cr ceramics

Efficiency of Cr3+ → Cr4+ conversion in YSAG:Cr ceramics

Influence of Yb³⁺ content on the optical and thermophysical properties of YSAG:Yb:Er solid solutions

Optical properties of YSAG : Yb : Er ceramics with Sc3+ cations in the dodecahedral and octahedral positions of the garnet crystal lattice

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Fabrication and optical properties of garnet ceramics based on Y3−xScxAl5O12 doped with ytterbium and erbium

Abstract: Optical ceramics YSAG:Yb,Er with an average grain size of 6±1 microns were fabricated by vacuum sintering of nanocrystalline powders of the compositions Y2.34Yb0.045Er0.09Sc0.20Al4.92O12, Y1.66Yb0.45Er0.09Sc1.00Al4.80O12 and Y 0.96Yb0.45Er0.09Sc1.70Al4.80O12. The linear transmittance...

Cited by 3 publications

References 55 publications

Efficiency of Cr3+ → Cr4+ conversion in YSAG:Cr ceramics

Efficiency of Cr3+ → Cr4+ conversion in YSAG:Cr ceramics

Influence of Yb3+ content on the optical and thermophysical properties of YSAG:Yb:Er solid solutions

Optical properties of YSAG : Yb : Er ceramics with Sc3+ cations in the dodecahedral and octahedral positions of the garnet crystal lattice

Contact Info

Product

Resources

About

Fabrication and optical properties of garnet ceramics based on Y_3−xSc_xAl₅O₁₂ doped with ytterbium and erbium

Influence of Yb³⁺ content on the optical and thermophysical properties of YSAG:Yb:Er solid solutions