Absorption and MCD study of photochromism in Bi12SiO20 doped with 4D or 5D transition metal ions

H. Bou Rjeily; Francois Ramaz; D. Petrova; Marin Gospodinov; Bernard Briat

doi:10.1117/12.280726

14 July 1997 Absorption and MCD study of photochromism in Bi12SiO20 doped with 4D or 5D transition metal ions

H. Bou Rjeily, Francois Ramaz, D. Petrova, Marin Gospodinov, Bernard Briat

Proceedings Volume 3178, Solid State Crystals: Growth and Characterization; (1997) https://doi.org/10.1117/12.280726
Event: XII Conference on Solid State Crystals: Materials Science and Applications, 1996, Zakopane, Poland

Abstract

We present the first spectroscopic investigation concerning the role of four ions (Ru, Rh, Os, Re) of the platinum group on the photochromic behavior of the photorefractive crystal Bi₁₂SiO₂₀. Absorption and magnetic circular dichroism (MCD) spectra were taken in the thermally bleached state and after various illuminations so as to determine the coloration thresholds. Ruthenium and Osmium are demonstrated to enter the crystal, whereas the answer is not yet certain in the case of rhodium and rhenium. We believe that the doping occurs at the pseudo-octahedral Bi site.

Citation Download Citation

H. Bou Rjeily, Francois Ramaz, D. Petrova, Marin Gospodinov, and Bernard Briat "Absorption and MCD study of photochromism in Bi12SiO20 doped with 4D or 5D transition metal ions", Proc. SPIE 3178, Solid State Crystals: Growth and Characterization, (14 July 1997); https://doi.org/10.1117/12.280726

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