Diffraction-Detected Sum Frequency Generation: Novel Ultrafast X-ray Probe of Molecular Dynamics,The Journal of Physical Chemistry Letters

当前位置： X-MOL 学术 › J. Phys. Chem. Lett. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Diffraction-Detected Sum Frequency Generation: Novel Ultrafast X-ray Probe of Molecular Dynamics
The Journal of Physical Chemistry Letters ( IF 4.8 ) Pub Date : 2018-06-04 00:00:00 , DOI: 10.1021/acs.jpclett.8b01095
Jérémy R. Rouxel ₁ , Markus Kowalewski ₁ , Shaul Mukamel ₁

Affiliation

We propose a novel time-resolved diffraction technique based on sum frequency generation that combines an optical pump with an X-ray stimulated Raman probe. Simulations are presented for formyl fluoride, which is nonchiral in the ground state and evolves into a chiral nonplanar structure in the first excited state upon excitation by a circularly polarized UV pump. A coherently controlled elliptically polarized pump is used to prepare the molecule in a selected enantiomer and the chiral interconversion dynamics is then monitored by the probe diffraction.

中文翻译：

衍射检测到的总频率生成：分子动力学的新型超快X射线探针

我们提出了一种基于总频率生成的新型时间分辨衍射技术，该技术将光泵与X射线激发的拉曼探针结合在一起。给出了对甲酰氟的模拟，该甲酰氟在基态是非手性的，在圆偏振UV泵的激发下，在第一激发态时会演变为手性的非平面结构。使用相干控制的椭圆偏振泵来制备所选对映异构体中的分子，然后通过探针衍射监测手性互变动力学。

更新日期：2018-06-04

点击分享查看原文

点击收藏

阅读更多本刊最新论文本刊介绍/投稿指南11