4D ultrafast electron diffraction, crystallography, and microscopy

被引：410

作者：

Zewail, Ahmed H. ^{[1
]}

机构：

[1] CALTECH, Ctr Ultrafast Sci & Technol, Lab Mol Sci, Pasadena, CA 91125 USA

[2] CALTECH, Phys Biol Ctr Ultrafast Sci & Technol, Pasadena, CA 91125 USA

来源：

ANNUAL REVIEW OF PHYSICAL CHEMISTRY | 2006年 / 57卷

关键词：

D O I：

10.1146/annurev.physchem.57.032905.104748

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this review, we highlight the progress made in the development of 4D ultrafast electron diffraction (UED), crystallography (UEC), and microscopy (UEM) with a focus on concepts. methodologies, and prototypical applications. The joint atomic-scale resolutions in space and time, and sensitivity reached, make it possible to determine complex transient structures and assemblies in different phases. These applications include Studies of isolated chemical reactions (molecular beams), interfaces, surfaces and nanocrystals, self-assembly, and 2D crystalline fatty-acid bilayers. In 4DUEM. we are now able, using timed. single-electron packets, to image nano-to-micro scale stuctures of materials and biological cells. Future applications of these methods are foreseen across areas of physics. chemistry. and biology.

引用

页码：65 / 103

页数：39

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