A New Monomeric Interpretation of Intrinsic Optical Bistability Observed in Yb3+ - Doped Bromide Materials

Details A New Monomeric Interpretation of Intrinsic Optical Bistability Observed in Yb3+ - Doped Bromide Materials A New Monomeric Interpretation of Intrinsic Optical Bistability Observed in Yb3+ - Doped Bromide Materials

2003-09-18

arxiv.org/abs/physics/0309082v1

Chem. Phys. Lett. 381, 163 (2003)

Physics

Chemical Physics

1 figure

Scientific paper

10.1088/1464-4266/6/3/019

We present a mechanism able to show intrinsic bistable behaviour involving single Yb3+ ions embedded into bromide lattices, in which intrinsic optical bistability (IOB) has been observed. The mechanism is based on the experimentally found coupling between the Yb3+ ion and the totally symmetric local mode of vibration of the [YbBr6]3- coordination unit. The model reproduces the IOB observed in CsCdBr3:1% Yb3+ and allows to understand the experimentally found presence of the phenomenon in the other bromides, but its absence in Cs3Lu2Cl9:Yb3+.

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