A5081394324- Luminescence Properties of Advanced Materials
- Solid State Laser Technologies
- Photorefractive and Nonlinear Optics
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Perovskite Materials and Applications
- Radiation Detection and Scintillator Technologies
- Glass properties and applications
- Fluid Dynamics and Thin Films
- Solidification and crystal growth phenomena
- Advanced Fiber Laser Technologies
- Refrigeration and Air Conditioning Technologies
- Advanced Fiber Optic Sensors
- Optical and Acousto-Optic Technologies
- Fluid Dynamics and Heat Transfer
- Heat Transfer and Optimization
- Spectroscopy and Laser Applications
- Metallurgical Processes and Thermodynamics
- Geothermal Energy Systems and Applications
- Microwave Dielectric Ceramics Synthesis
- Process Optimization and Integration
- Laser-induced spectroscopy and plasma
- High-pressure geophysics and materials
- Geotechnical and Geomechanical Engineering
- CO2 Sequestration and Geologic Interactions
Anhui University of Technology
2020-2025
Tarleton State University
2021
University of California, San Diego
2021
The University of Texas at San Antonio
2021
Wuhan University
2021
Jacobs (United States)
2021
Nanjing University of Aeronautics and Astronautics
2015-2016
High-quality Dy<sup>3+</sup> and Tb<sup>3+</sup> co-doped GSAG single crystals were grown successfully by the Cz method as promising UV or blue light chip excited solid-state lighting InGaN LD all-solid-state yellow lasers.
A series of 10 at% Yb3+, 5 Er3+ co-doped NaGd(MoxW1-xO4)2 (x = 0.5, 0.7 and 0.9) single crystals were grown by Czochralski method. X-ray diffraction (XRD), Rietveld refinement and...
Abstract Under the excitation of a 980 nm laser, visible upconversion (UC) luminescence Er 3+ ions doped Yb self-activated NaYb(MoO 4 ) 2 phosphor and crystal, as well /Er codoped NaBi(MoO crystal were investigated comprehensively. The results indicate that all three samples exhibit two significant green emission bands weak red band in corresponding to transitions H 11/2 / S 3/2 → I 15/2 F 9/2 ions, respectively. Through variable power density spectra different samples, relationship between...
Abstract Cr 3+ -activated phosphors have attracted significant attention for their tunable emission, spanning narrow-band red to broadband near-infrared (NIR) luminescence, depending on the crystal field environment. Here, we report realization of wideband NIR emission in doped GaScO 3 (GaScO :Cr ) with perovskite structure. The were synthesized by traditional solid-state reaction method. first-principles calculations conducted and results demonstrate that octahedral [GaO6] sites exhibit...
Sc(NbO4)x(TaO4)1–x is composed of ScNbO4 and ScTaO4 matrices, containing [NbO4]3– [TaO4]3– self-activating luminescent groups, a series potential high-performance matrixes. In this work, trivalent samarium (Sm3+)-doped (SNTO) phosphors have been synthesized through traditional solid-state reaction method. The quenching concentration Sm3+ in the SNTO matrix was 2 atom %, mechanism analyzed. Especially, effects [NbO4]3–/[TaO4]3– component ratios on properties thermal stability were studied....
As the main form of phosphorus in plant seeds, phytic acid has potential value flame retardant field. In this study, a series bivalent metal phytate (PA-M) retardants were prepared using and divalent salts as raw materials. FTIR, SEM-EDS, XRD, TG tests confirmed that copper (PA-Cu), zinc (PA-Zn), cobalt (PA-Co) nickel (PA-Ni) successfully synthesized. Furthermore, rigid polyurethane foam (RPUF/PA-M) composites by one-step water-blown technology PA-M retardant. test results showed...
Optical thermometry based on the upconversion (UC) luminescence intensity ratio (LIR) has attracted considerable attention because of its feasibility for achievement accurate non-contact temperature measurement. Compared with traditional UC phosphors, optical single crystals can achieve faster response and higher sensitivity due to stability high thermal conductivity crystals. In this study, a high-quality 5 at% Yb3+ 1 Ho3+ co-doped Gd0.74Y0.2TaO4 crystal was grown by Czochralski (Cz)...
Three-dimensional numerical simulations are performed to analyze the effect of aspect ratio Ar and axial magnetic field on thermocapillary convection in liquid bridges with deformable free-surface under microgravity, which volume fluid (VOF) method is adopted track movement. The simulation results elucidate that oscillation wave number m frequency temperature fluctuation decrease increasing Ar, while amplitude increases Ar. deformation ξ as increases. also reveal causes a concentration...
Inhomogeneous broadening in disordered crystals has been widely recognized as a successful approach to enhance the spectral bandwidth of rare earth ions optical spectra, and Yb3+-doped mixed laser are known ultrafast pulse materials have emerged hotspot recently. In this study, sodium gadolinium/lanthanum double molybdate NaGd(1–x)La(x)(MoO4)2 with x = 0.3, 0.5, 0.9 were grown by Czochralski (Cz) method. The structure as-grown was investigated XRD, SEM, FT-IR, Raman experiments....
Fluorescence intensity ratio thermometry represents a novel non-contact approach for rapid and precise temperature measurements. In this study, Yb,Er:GSAG single crystal was investigated, exploiting the dual-mode luminescence of upconversion downconversion optical sensing applications. The exhibited distinct behaviors when subjected to 266 nm, 355 980 nm laser excitations, manifesting dark blue appearance under UV excitation green hue excitations. Specifically, excitation, demonstrated...
The use of inhomogeneous broadening in composite disordered crystals has been widely recognized as a successful approach to enhancing the spectral bandwidth rare-earth ions optical spectra. In this study, laser alkali metal double molybdate/tungstate, doped with 2 atom % Nd3+ and represented by general formula Nd:NaGd(MoxW1–xO4)2 (x = 0.5, 0.7 0.9), were grown using Czochralski method. crystal structure was determined be tetragonal phase space group I41/a, confirmed through X-ray diffraction...