Solving Structures From Phase Information | Chemical & Engineering News
Volume 91 Issue 33 | p. 24 | Concentrates
Issue Date: August 19, 2013

Solving Structures From Phase Information

Electron diffraction method allows structures to be determined directly
Department: Science & Technology
News Channels: Analytical SCENE, Materials SCENE
Keywords: electron diffraction, structure determination, crystallography

Crystal structures are described by phase and magnitude components. The phase indicates the location of matter within the crystal, and the magnitude tells how much matter there is. Usual methods of structure determination are indirect, relying exclusively on magnitude. Structures are deduced by iteratively refining computational models and matching them to experimental observations. Now, Philip N. H. Nakashima, Alexander F. Moodie, and Joanne Etheridge of Monash University, in Melbourne, Australia, . . .

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