Research areas	Inorganic chemistry, Materials chemistry, Solid-state physics
Keywords	Phosphor, Luminescence material, Ceramics, Glass, Glass ceramics, Rare earth ion, Transition metal ion
Themes
Major publications	[1] J. Ueda, T. Wylezich, N. Kunkel, and S. Tanabe, "Red luminescent Eu2+ in K2MgH4 and comparison with KMgH3", J. Mater. Chem. C 8, 5124-5130 (2020). [2] J. Ueda and S. Tanabe, "Review of luminescent properties of Ce3+-doped garnet phosphors: New insight into the effect of crystal and electronic structure", Optical Materials: X 1, 100018 (2019). [3] J. Ueda, S. Miyano, and S. Tanabe, "Formation of Deep Electron Traps by Yb3+ Codoping Leads to Super-Long Persistent Luminescence in Ce3+-Doped Yttrium Aluminum Gallium Garnet Phosphors", ACS Appl. Mater. Interfaces 10, 20652-20660 (2018). [4] J. Ueda, P. Dorenbos, A. J. J. Bos, A. Meijerink, and S. Tanabe, "Insight into the Thermal Quenching Mechanism for Y3Al5O12:Ce3+ through Thermoluminescence Excitation Spectroscopy", J. Phys. Chem. C 119, 25003-25008 (2015). [5] J. Ueda, P. Dorenbos, A. J. J. Bos, K. Kuroishi, and S. Tanabe, "Control of Electron Transfer between Ce3+ and Cr3+ in the Y3Al5-xGaxO12 Host via Conduction Band Engineering", J. Mater. Chem. C 3, 5642-5651 (2015). 2015 Hot Papers [6] J. Ueda, K. Kuroishi, and S. Tanabe, "Bright persistent ceramic phosphors of Ce3+-Cr3+-codoped garnet able to store by blue light", Appl. Phys. Lett. 104, 101904 (2014). [7] J. Ueda, S. Tanabe, and T. Nakanishi, "Analysis of Ce3+ Luminescence Quenching in Solid Solutions between Y3Al5O12 and Y3Ga5O12 by Temperature Dependence of Photoconductivity Measurement", J. Appl. Phys. 110, 053102 (2011).
Professional societies/Research and synergic activities	The Ceramic Society of Japan The Japan Society of Applied Physics The Rare Earth Society o Japan Phosphor Research Society, The Electrochemical Society of Japan The chemical Society of Japan
Teaching Areas	Undergraduate courses Graduate courses (Master's program) Graduate courses (Doctor's program) Undergraduate courses open to all departments
Background	Education Apr. 2003 - Mar. 2007 Faculty of Human Environment, Kyoto Prefectural University Apr. 2007 - Mar. 2009 Graduate School of Human and Environmental Studies, Kyoto University Dgree: Master of Human and Environmental Studies Apr. 2009 -Mar. 2012 Graduate School of Human and Environmental Studies, Kyoto University Dgree: Ph.D (Human and Environmental Studies) Career Apr. 2012~ Assistant Professor of Kyoto University 　　　　　(Graduate School of Global Environmental Studies) (Graduate School of Human and Environmetal Studies)