Research areas	Inorganic Optical Materials
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Themes
Major publications	J. Xu and S. Tanabe, “Persistent luminescence instead of phosphorescence: History, mechanism, and perspective”, J. Lumin., 205, 581-620, (2019) J. Xu, D. Murata, J. Ueda, B. Viana, and S. Tanabe, “Toward rechargeable persistent luminescence for the first and third biological windows via persistent energy transfer and electron trap redistribution”, Inorg. Chem., 57, 5194-5203, (2018) J. Xu, J. Ueda, and S. Tanabe, “Toward tunable and bright deep-red persistent luminescence of Cr3+ in garnets”, J. Am. Ceram. Soc., 100, 4033-4044, (2017) J. Xu, D. Murata, J. Ueda, and S. Tanabe, “Near-infrared long persistent luminescence of Er3+ in garnet for the third bio-imaging window”, J. Mater. Chem. C, 4, 11096-11103, (2016) J. Xu, J. Ueda, K. Kuroishi, and S. Tanabe, “Fabrication of Ce3+-Cr3+ co-doped yttrium aluminium gallium garnet transparent ceramic phosphors with super long persistent luminescence”, Scr. Mater., 102, 47-50, (2015) J. Xu, S. Tanabe, A.D. Sontakke, and J. Ueda, “Near-infrared multi-wavelengths long persistent luminescence of Nd3+ ion through persistent energy transfer in Ce3+, Cr3+ co-doped Y3Al2Ga3O12 for the first and second bio-imaging windows”, Appl. Phys. Lett., 107, 081903 (4pp), (2015)
Professional societies/Research and synergic activities
Teaching Areas	Undergraduate courses Graduate courses (Master's program) Graduate courses (Doctor's program) Undergraduate courses open to all departments
Background