Photochromism of mixed sillenites

Mieczyslaw Tadeusz Borowiec; Andrzej Majchrowski; Henryk Szymczak; Jozef Zmija; Miroslaw Zaleski

doi:10.1117/12.343001

24 March 1999 Photochromism of mixed sillenites

Mieczyslaw Tadeusz Borowiec, Andrzej Majchrowski, Henryk Szymczak, Jozef Zmija, Miroslaw Zaleski

Proceedings Volume 3724, International Conference on Solid State Crystals '98: Single Crystal Growth, Characterization, and Applications; (1999) https://doi.org/10.1117/12.343001
Event: International Conference on Solid State Crystals '98, 1998, Zakopane, Poland

Abstract

Optical properties of some mixed B₁₂TiO₂₀ (BiTiO) and Bi₄₀Ga₂O₆₃ (BiGaO) single crystals were investigated. The mixed single crystals have been grown with use of Top Seeded Solution Growth technique and Ti ion was substituted with V, Pb or Ga ions. Thermal conditions enabling growth of uniform [110] BiTiO and BiGaO single crystals with totally flat (110) interface have been found. Special interest was devoted to the problem of photochromic effect existing in investigated single crystals at temperatures lower than 200 K. The characteristic temperature of thermal bleaching and the wave length active in a coloring process (the coloring spectra) for all mixed single crystals were established. It was noticed that the substitution of some ions in tetrahedral positions had essential effect on photochromic properties of investigated mixed sillenites. In this case the photochromic effect should be related to the fundamental edge shift.

Citation Download Citation

Mieczyslaw Tadeusz Borowiec, Andrzej Majchrowski, Henryk Szymczak, Jozef Zmija, and Miroslaw Zaleski "Photochromism of mixed sillenites", Proc. SPIE 3724, International Conference on Solid State Crystals '98: Single Crystal Growth, Characterization, and Applications, (24 March 1999); https://doi.org/10.1117/12.343001

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