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Meeting Materials Science & Technology 2019
Symposium Ceramic and Crystal Materials for Optics and Photonics
Presentation Title Mixed-anion Ceramic Phosphors with Asymmetric Ligand Field for Rare-earths
Author(s) Setsuhisa Tanabe
On-Site Speaker (Planned) Setsuhisa Tanabe
Abstract Scope While many functional ceramics are either oxides, chalcogenides or halides, the mixed-anion compounds have drawn attention as new types of inorganic material. Because of unique coordination, crystal structures and tunability of energy of valence band top in such compounds, it is possible that fundamentally different, innovative functions may be created. Materials with such innovative functions are expected by using several different anions with differing electronegativity and polarizability, and exploiting exceptional ability of such anions to control chemical bonding and electronic structures. Many elements that become anions have a high Clarke number, and mixed-anion compounds have the possibility of becoming materials that act as a driving force for element strategies. In this talk, some examples of development of new phosphor materials will be introduced by giving asymmetric ligand field to rare-earths and achieving lower excitation energy of charge transfer band by the valence band engineering in oxynitride and oxyhydride systems.


A Comparison of Rare Earth Dopants in a Nanocomposite Material System for Infrared Laser Gain Media
Additive Manufacturing of Transparent Ceramics
Development of Single Crystal Fiber Lasers
Fabrication of Novel Laser Optics by Spark Plasma Sintering Technique
Fabrication Processes for Transparent Polycrystalline YAG, LuAG, and ZnO
Grain Size Dependent Properties Trends in Nanocrystalline Ceramics for Optical Applications
Intriguing Optical Phenomena in Garnet Transparent Ceramic
Investigation of Host Glasses for BaCl2:Eu2+ Layered Thin Films for Medical Imaging
Magneto-optic Ceramics for High-power Laser Applications
Manufacturing of CaLa2S4 Transparent Ceramics by Pressure-assisted Sintering Techniques
Mixed-anion Ceramic Phosphors with Asymmetric Ligand Field for Rare-earths
Non-uniform Yb-doped Ceramic Laser Gain Media: Shaping and Performance
Recent Development in Spinel Processing
Sintering of Nanocrystalline Transparent Zinc Aluminate
Strategies to Strengthen Ceramics for Windows and Domes
Sulfide Ceramics for Optics and Photonics
Synthesis and Processing of Zinc Chalcogenides Optical Materials
Transparent Ceramic for Extreme Environment
Transparent Ceramics for Laser and Optical Applications
Transparent MgAl2O4 Spinel Ceramics with Enhanced Strength via Suppressing the Grain Growth

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