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Article Dans Une Revue Journal of the Ceramic Society of Japan Année : 2023

Colorless Bi2O3-containing borophosphate glasses with high refractivity

Résumé

The effects of P2O5 substitution on the coordination structure of a Bi3+ in Bi2O3–B2O3 glasses were examined by applying 11B and 31P MAS-NMR spectroscopy. Observation of the wide optical bandgap after the substitution revealed a substantial difference in the solvation shell structure between the P2O5 substituted and the P2O5-free Bi2O3-containing glasses, i.e., the P2O5 substitution replaced by the B2O3 is effective for forming the solvation shell, which leads to weak ligand field around a Bi3+. We report the optical properties of the Bi2O3–P2O5–B2O3 glass providing a wide optical bandgap (³3.6 eV) and high refractive index (³2.0).
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hal-04500069 , version 1 (11-03-2024)

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K. Hayashi, Grégory Tricot, A. Saitoh. Colorless Bi2O3-containing borophosphate glasses with high refractivity. Journal of the Ceramic Society of Japan, 2023, Journal of the Ceramic Society of Japan, 131, ⟨10.2109/jcersj2.23138⟩. ⟨hal-04500069⟩
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