Phasing of coherent femtosecond X-ray diffraction from size-varying nanocrystals | Zendy

John C. H. Spence | Zendy; Richard A. Kirian | Zendy; Xiaoyu Wang | Zendy; Uwe Weierstall | Zendy; K. E. Schmidt | Zendy; Thomas A. White | Zendy; Anton Barty | Zendy; Henry N. Chapman | Zendy; Stefano Marchesini | Zendy; James M. Holton | Zendy

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Phasing of coherent femtosecond X-ray diffraction from size-varying nanocrystals

Author(s) -

John C. H. Spence,

Richard A. Kirian,

Xiaoyu Wang,

Uwe Weierstall,

K. E. Schmidt,

Thomas A. White,

Anton Barty,

Henry N. Chapman,

Stefano Marchesini,

James M. Holton

Publication year - 2011

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.19.002866

Subject(s) - femtosecond , optics , diffraction , bragg's law , nanocrystal , ptychography , materials science , laser , particle size , phase (matter) , scattering , physics , nanotechnology , chemistry , quantum mechanics

The scattering between Bragg reflections from nanocrystals is used to aid solution of the phase problem. We describe a method for reconstructing the charge density of a typical molecule within a single unit cell, if sufficiently finely-sampled "snap-shot" diffraction data (as provided a free-electron X-ray laser) are available from many nanocrystals of different sizes lying in random orientations. By using information on the particle-size distribution within the patterns, this digital method succeeds, using all the data, without knowledge of the distribution of particle size or requiring atomic-resolution data.

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