In-situ diagnostics of the crystalline nature of single organic nanocrystals by nonlinear microscopy
arXiv:cond-mat/0309056 · doi:10.1103/PhysRevLett.92.207401
Abstract
We elucidate the crystalline nature and the three-dimensional orientation of isolated organic nanocrystals embedded in a sol-gel matrix, using a polarized nonlinear microscopy technique that combines two-photon fluorescence and second harmonic generation. This technique allows the distinction between mono-crystalline structures and nano-scale poly-crystalline aggregates responsible for incoherent second harmonic signals.
Soumis le 01 sept. 2003
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