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Nichtlineare Optik. SnI4⋅(S8)2, das von S.‐P. Guo et al. erhalten wurde, zeigt einen phasenanpassbaren Charakter und eine breite IR‐Transparenz, die es zu einem vielversprechenden IR‐NLO‐Kristall machen, wie der Zuschrift auf S. 11714 ff. zu entnehmen ist.
A simple adduct from tin tetraiodide SnI4 and octasulfur S8, SnI4⋅(S8)2 (1), is obtained employing a facile reaction. The combination of Sn4+ ions with d10 electron configuration, acentric SnI4 tetrahedra, and lone‐pair effects of S8, makes 1 a phase‐matchable infrared NLO crystal with a moderate second‐harmonic generation (SHG) response and a very high laser‐induced damage threshold (LIDT), which...
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