2001 - 現在 Tb3+含有ガラス中でのTb3+間エネルギー移動の光学的抑制効果についての研究 Study on the optically controlled energy-transfer in Tb3+ doped glasses
2001 - 現在 Eu3+含有Sol-Gelガラス中での5D0→7F0 ゼロフォノン線 Zero-phonon lines of 5D0→7F0 transition in Eu3+-doped Sol-Gel glasses
2000 - 現在 高濃度含有超常磁性ガラスの発光特性とエネルギー移動 The fluorescence properties and the energy-transfer between Tb3+ in heavily Tb3+-dopen superparamagnetic glasses
2021 - 2026 革新的セラミックスの創成
2021 - 2026 NIL2022-1
2021 - 2026 NIL2021-1
2024 - 2025 共同研究R06-1
2019 - 2024 3次非線形光学特性の高い新規テルライトガラスの国際共同研究
2022 - 2023 共同研究R04-1
2019 - 2021 非線形光学特性の著しく高い新規テルライト系ガラスの開発
2019 - 2020 共同研究R01-1
2019 - 2020 NIL-2019
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論文 (114件):
Photoluminescence Study of Undoped and Eu-Doped Alkali-Niobate Aluminosilicate Glasses and Glass-Ceramics. 2024. 17. 2283. 1-22
Tuning the luminescence color of Eu3+- and alkali-ion-codoped Sr2CaWO6 orange-red phosphors: Eu3+ site distribution and site-selective photoluminescence studies. 2024. 12. 031129. 1-16
T.Otsuka, R.Oka, M.Karasuyama, T.Hayakawa. Photoluminescence color prediction for Eu3+-doped perovskite red phosphors using machine learning. Phys.Status Solidi RRL. 2023. 2023. 2300237
H.Hashimoto, R.Oka, T.Hayakawa, C.Brabec. Bandgap and photoluminescence tuanbility of lead-free Cs3Bi2(Br,I)9 solid colution compounds. Phys.Status Solidi RRL. 2023. 2023. 2300241
T.Otsuka, R.Oka, T.Hayakawa. Eu3+ Site Distribution and Local Distortion of Photoluminescent Ca3WO6:(Eu3+, K+) Double Perovskites as High-Color-Purity Red Phosphors. Adv.Sci. 2023. 2023. 2302559
Electronic 4f-5d structure and persistent spectral hole burning of divalent Sm ions in sol-gel derived Al2O3-SiO2 glasses
Photonics Based on Wavelength Integration and Manipulation 2005