<trans-title xml:lang="en">Crystal Growth and Structural, Optical, and Visible Fluorescence Traits of Dy3+-doped SrGdGa3O7 Crystal </trans-title>

Haidong WANG; Yan WANG; Zhaojie ZHU; Jianfu LI; Gandham LAKSHMINARAYANA; Chaoyang TU

doi:10.15541/jim20230059

Journal of Inorganic Materials, Volume. 38, Issue 12, 1475(2023)

Crystal Growth and Structural, Optical, and Visible Fluorescence Traits of Dy³⁺-doped SrGdGa₃O₇ Crystal

Haidong WANG^1,2,3, Yan WANG^1,3, Zhaojie ZHU^1,3, Jianfu LI^1,3, Gandham LAKSHMINARAYANA⁴, and Chaoyang TU^1,3、*

Author Affiliations

¹1. Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China

²2. University of Chinese Academy of Sciences, Beijing 100049, China

³3. Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China

⁴4. Intelligent Construction Automation Center, Kyungpook National University, Daegu 41566, Republic of Korea

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Figures & Tables(13)

1. Picture of as-grown Dy: SGGM single crystal

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2. Crystal structures of SrGdGa₃O₇ crystal(a) Parallel to c-axis; (b) Vertical to c-axis

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3. Analysis of XRD results of Dy: SGGM crystal(a) XRD pattern; (b) Rietveld refinement; (c) Rocking curve of (002) plane

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4. Polarized absorption spectra of Dy: SGGM crystal

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5. Polarized emission spectra of Dy:SGGM crystal

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6. Chromaticity coordinates of Dy: SGGM crystal under 452 nm excitation

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7. Fluorescence decay curve of Dy:SGGM crystal

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Table 1.
Comparison of structural parameters of Dy: SGGM crystal before and after Rietveld refinement
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Table 1.
Comparison of structural parameters of Dy: SGGM crystal before and after Rietveld refinement
Parameter Dy:SGGM SGGM (PDF#50-1835)
a, b/nm 0.79741 0.79651
c/nm 0.52599 0.52368
V/nm³ 0.334460 0.33224
ρ/(g·cm^-3) 5.670 5.658
Space group P$\bar{4}$2₁m
R_wp 12.456%
χ² 1.35

Table 2.
Comparison of absorption spectral parameters of Dy³⁺-doped crystals

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Table 2.
Comparison of absorption spectral parameters of Dy³⁺-doped crystals

Crystal	λ/nm	FWHM/nm	σ_abs/(×10^-21, cm²)	Ref.
Dy: CeF₃	450	9.4	0.61	[20]
Dy: PbWO₄	454	5.71	1.42	[26]
Dy: CNGS	453	10.2	1.2	[27]
Dy: Sr₃Y(BO₃)₃	450	8(π)10(σ)	0.8(π)0.6(σ)	[28]
Dy: CaYAlO₄	453	-	3.3(π)2.1(σ)	[21]
Dy: CaGdAlO₄	452	2.5(π) 4.3(σ)	1.28(π)2.43(σ)	[22]
Dy: YAG	447	1.9	2.3	[23]
Dy: SGGM	452	10.4(π)11.8(σ)	0.594(π) 0.555(σ)	This work

Table 3.
Experimental and calculated line strengths in Dy:SGGM crystal

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Table 3.
Experimental and calculated line strengths in Dy:SGGM crystal

Transition⁶H_15/2→	π-polarization			σ-polarization
Transition⁶H_15/2→	$\bar{\lambda}$/nm	S_exp/(×10^-20, cm²)	S_calc/(×10^-20, cm²)	$\bar{\lambda}$/nm	S_exp/(×10^-20, cm²)	S_calc/(×10^-20, cm²)
⁴G_11/2	426	0.053	0.028	422	0.076	0.022
⁴I_15/2	450	0.104	0.093	450	0.148	0.123
⁴F_9/2	470	0.039	0.033	473	0.055	0.043
⁶F_3/2	766	0.088	0.051	761	0.077	0.076
⁶F_5/2	791	0.286	0.291	792	0.403	0.429
⁶F_7/2	893	0.978	0.846	901	1.179	1.067
⁶H_7/2+⁶F_9/2	1074	1.631	1.672	1079	1.677	1.701
⁶H_9/2+⁶F_11/2	1266	6.670	6.660	1259	6.961	6.953
⁶H_11/2	1693	0.970	1.078	1656	1.292	1.370
RMS/(×10^-20, cm²)		0.074			0.063

Table 4.
Comparison of J-O intensity parameters with other Dy³⁺-doped materials

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Table 4.
Comparison of J-O intensity parameters with other Dy³⁺-doped materials

Crystal	Ω₂/(×10^-20, cm²)	Ω₄/(×10^-20, cm²)	Ω₆/(×10^-20, cm²)	Ref.
Dy: LiLuF₄	2.04	0.91	1.09	[34]
Dy: YAG	1.49	0.94	3.20	[23]
Dy: CaGdAlO₄	1.80	1.00	0.50	[22]
Dy: CaYAlO₄	5.05	9.95	3.12	[21]
Dy: Sr₃Y(BO₃)₃	2.39	0.88	1.22	[28]
Dy: LiNbO₃	5.42	1.14	2.51	[35]
Dy: YSGG	0.13	0.73	1.06	[36]
Dy: GGG	0.17	2.66	2.57	[31]
Dy: SGGM	5.113 (π)5.686 (σ)5.495 (eff)	1.796 (π)1.316 (σ)1.476 (eff)	0.843 (π)1.243 (σ)1.110 (eff)	This work

Table 5.
Calculated spontaneous emission probability, fluorescence branching ratio, and radiative lifetime of Dy: SGGM crystal

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Table 5.
Calculated spontaneous emission probability, fluorescence branching ratio, and radiative lifetime of Dy: SGGM crystal

Transitions ⁴F_9/2→	$\bar{\lambda}$/nm	A_ed/s^-1	A_md/s^-1	β	τ_r/ms
⁶F_1/2	1364	0.094	0	7.220×10^-5	0.768
⁶F_3/2	1270	0.066	0	5.055×10^-5	-
⁶F_5/2	1157	9.804	0	7.526×10^-3	-
⁶F_7/2	998	4.534	8.413	9.939×10^-3	-
⁶H_5/2	921	3.577	0	2.746×10^-3	-
⁶H_7/2+⁶F_9/2	833	27.488	13.568	0.032	-
⁶H_9/2+⁶F_11/2	756	45.544	81.59	0.098	-
⁶H_11/2	665	86.029	17.474	0.079	-
⁶H_13/2	574	841.755	0	0.646	-
⁶H_15/2	481	162.738	0	0.125	-

Table 6.
Comparative spectral features of some Dy³⁺-doped crystals

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Table 6.
Comparative spectral features of some Dy³⁺-doped crystals

Crystals	$\bar{\lambda}$/nm	FWHM/nm	σ_em/(×10^-21, cm²)	τ_r/ms	τ_f/ms	η/%	Ref.
Dy:LiNbO₃	575	-	3.2 (π)0.3 (σ)	0.292	0.268	91.8	[35]
Dy:YAG	583	-	2.09	1.02	0.4	39.2	[23]
Dy: CaYAlO₄	580	-	2.8 (π)3.6 (σ)	0.485	0.262	54.0	[21]
Dy:CaGdAlO₄	578	13(π)14 (σ)	0.55 (π)0.51 (σ)	0.501	0.222	44.3	[22]
Dy:Sr₃Y(BO₃)₃	576	16 (σ)17 (π)	1.0 (σ)1.2 (π)	1.45	0.820	56.6	[28]
Dy: CNGS	572	16.3 (σ)15.8 (π)	1.35 (σ)1.89 (π)	1.22	0.293	26.5	[27]
Dy:GGG	581	-	2.62	1.107	0.79	71.4	[31]
Dy:SGGM	574	15.6(π)16.2(σ)	1.84 (π)2.49 (σ)	0.768	0.531	69.1	This work

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Haidong WANG, Yan WANG, Zhaojie ZHU, Jianfu LI, Gandham LAKSHMINARAYANA, Chaoyang TU. Crystal Growth and Structural, Optical, and Visible Fluorescence Traits of Dy³⁺-doped SrGdGa₃O₇ Crystal [J]. Journal of Inorganic Materials, 2023, 38(12): 1475

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Paper Information

Category:

Received: Feb. 6, 2023

Accepted: --

Published Online: Mar. 6, 2024

The Author Email: Chaoyang TU (tcy@fjirsm.ac.cn)

DOI:10.15541/jim20230059

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Comparison of structural parameters of Dy: SGGM crystal before and after Rietveld refinement

Table 1. Comparison of structural parameters of Dy: SGGM crystal before and after Rietveld refinement

Table 2. Comparison of absorption spectral parameters of Dy3+-doped crystals

Table 2. Comparison of absorption spectral parameters of Dy3+-doped crystals

Table 3. Experimental and calculated line strengths in Dy:SGGM crystal

Table 3. Experimental and calculated line strengths in Dy:SGGM crystal

Table 4. Comparison of J-O intensity parameters with other Dy3+-doped materials

Table 4. Comparison of J-O intensity parameters with other Dy3+-doped materials

Table 5. Calculated spontaneous emission probability, fluorescence branching ratio, and radiative lifetime of Dy: SGGM crystal

Table 5. Calculated spontaneous emission probability, fluorescence branching ratio, and radiative lifetime of Dy: SGGM crystal

Table 6. Comparative spectral features of some Dy3+-doped crystals

Table 6. Comparative spectral features of some Dy3+-doped crystals

Table 1.
Comparison of structural parameters of Dy: SGGM crystal before and after Rietveld refinement

Table 1.
Comparison of structural parameters of Dy: SGGM crystal before and after Rietveld refinement

Table 2.
Comparison of absorption spectral parameters of Dy³⁺-doped crystals

Table 2.
Comparison of absorption spectral parameters of Dy³⁺-doped crystals

Table 3.
Experimental and calculated line strengths in Dy:SGGM crystal

Table 3.
Experimental and calculated line strengths in Dy:SGGM crystal

Table 4.
Comparison of J-O intensity parameters with other Dy³⁺-doped materials

Table 4.
Comparison of J-O intensity parameters with other Dy³⁺-doped materials

Table 5.
Calculated spontaneous emission probability, fluorescence branching ratio, and radiative lifetime of Dy: SGGM crystal

Table 5.
Calculated spontaneous emission probability, fluorescence branching ratio, and radiative lifetime of Dy: SGGM crystal

Table 6.
Comparative spectral features of some Dy³⁺-doped crystals

Table 6.
Comparative spectral features of some Dy³⁺-doped crystals