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Abstract Optical investigations of Cr-doped Bi12TiO20 were performed at T = 300 , 77 and 4.2 K. An absorption line at λ = 456 nm at T = 4.2 K was… Click to show full abstract
Abstract Optical investigations of Cr-doped Bi12TiO20 were performed at T = 300 , 77 and 4.2 K. An absorption line at λ = 456 nm at T = 4.2 K was detected. Line corresponds to E 5 → T 2 5 transition of Cr2+ ion located at tetrahedral position of the sillenite cell. This conclusion was confirmed by observation of the Zeeman effect in magnetic field up to 14 T. These results for Cr-doped Bi12TiO20 are similar to those for Fe-doped Bi12SiO20. Details of the absorption line structure of Fe-doped Bi12SiO20 are explained by the Jahn-Teller effect.
Keywords:
doped bi12sio20;
comparison optical;
doped bi12tio20;
properties doped;
optical properties
Journal Title: Journal of Alloys and Compounds
Year Published: 2019
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Journal Title: Journal of Alloys and Compounds
Year Published: 2019
Link to full text (if available)
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recommendations!