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Soda lime glasses polarized either with an open or a blocking anode have been characterized by IR reflectance spectroscopy and a combined analysis of second harmonic generation and Raman imaging. The experimental results clearly show that the electrode nature influences strongly (i) the thickness of the space charge layer, (ii) the χ (2) efficiency, and (iii) the structural rearrangements. Besides, using theoretical models accounting for charge carriers’ mobilities, the respective influence of two distinct compensation mechanisms, that is an injection of positive charges (H 3 O + /H + ions) or a drift of oxygen ions, have been confirmed.
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Dussauze et al. (2010) studied this question.
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