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Meeting MS&T23: Materials Science & Technology
Symposium Solid-state Optical Materials and Luminescence Properties
Presentation Title Processing and Optical Properties of Noncubic RE-doped Ga2O3 Transparent Ceramics
Author(s) Jiao Li , Guangran Zhang , Matthew Fiato, Yiquan Wu
On-Site Speaker (Planned) Jiao Li
Abstract Scope The optical properties of rare-earth-doped Ga2O3 powders, films, and single crystals have been widely explored for phosphors, deep-UV optoelectronics, and scintillator applications, making it attractive to fabricate Ga2O3 transparent ceramics. However, there are few studies on Ga2O3 ceramics and even fewer on transparent ceramics due to the serious reduction reaction and monoclinic structure of Ga2O3. In this study, we first prepared different rare earth (RE) elements (Er-, Dy-, Tb-) doped Ga2O3 powders via the co-precipitation method and sintered them into transparent ceramics by spark plasma sintering (SPS). It is demonstrated that the unique orientation and dense microstructure contributed to the good transparency of the non-cubic Ga2O3 transparent ceramics. Additionally, the transmittance, luminescence performance, and fluorescence decay time of the doped ceramics were studied in detail, indicating the effective optical activity of the rare earth elements in Ga2O3 ceramics.


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Crystallography, Phase Stability and Luminescence Behavior of Eu-doped Ca4-xSrxLaO(BO3)3 Compounds
D-20: Fabrication and Optical Property Characterization of Silver Thin Film Using Magnetron Sputtering Method
Development of Non-cubic Fluorapatite Laser Ceramics
Fabrication and Optical Properties of Transparent Zinc Gallate Spinel Ceramics
Leveraging Material Microstructure and Linear/Non-linear Absorption for Pulsed Laser Welding of Ceramics
Overview of Optical Materials at NRL
Photoluminescent Behaviors of Mixed Metal Thiophosphates XScP2S6 (X=Ag, Cu) Above and Below Bandgap
Processing and Optical Properties of Noncubic RE-doped Ga2O3 Transparent Ceramics
Study of Garnet Scintillating Single Crystal Fiber Grown by Laser Heated Pedestal Growth Method
Study of Surface Effects in Yb3+ Doped Garnet Nanopowders for Understanding Grain Boundary Processes in Laser Ceramics: Fabrication and Spectroscopic Properties
Surface Morphology and Fracturing of Femtosecond Laser-irradiated Calcium Fluoride
Ultrafast Laser-induced Damage and Non-linear Optical Properties of Metal Thiophosphates
Ultraviolet Excitation of Trivalent Europium in Alumina

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