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Two centuries ago solvated electrons were discovered in liquid ammonia and a century later the concept of the solvent cage was introduced. Here, we report a real time study of the dynamics of size‐selected clusters, n=20 to 60, of electrons in ammonia, and, for comparison, that of electrons in water cages. Unlike the water case, the observed dynamics for ammonia indicates the formation, through a 100 fs temperature jump, of a solvent collective motion in a 500 fs relaxation process. The agreement of the experimental results—obtained for a well‐defined n, gated electron kinetic energy, and time delay—with molecular dynamics theory suggests the critical and different role of the kinetic energy and the librational motions involved in solvation. 相似文献
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Inside Cover: Enantiomeric Excess Sensitivity to Below One Percent by Using Femtosecond Photoelectron Circular Dichroism (ChemPhysChem 8/2016) 下载免费PDF全文
Alexander Kastner Dr. Christian Lux Tom Ring Stefanie Züllighoven Cristian Sarpe Dr. Arne Senftleben Prof. Thomas Baumert 《Chemphyschem》2016,17(8):1081-1081
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Inside Cover: A Non‐Exploding Alkali Metal Drop on Water: From Blue Solvated Electrons to Bursting Molten Hydroxide (Angew. Chem. Int. Ed. 42/2016) 下载免费PDF全文
Dr. Philip E. Mason Tillmann Buttersack Prof. Sigurd Bauerecker Prof. Pavel Jungwirth 《Angewandte Chemie (International ed. in English)》2016,55(42):12916-12916
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