Conference Tools for 2023 TMS Annual Meeting & Exhibition

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About this Abstract
Meeting	2023 TMS Annual Meeting & Exhibition
Symposium	Characterization of Materials through High Resolution Coherent Imaging
Presentation Title	Fluctuation Analysis of Coherent Electron Diffuse Scattering for Diffractive Imaging
Author(s)	Jian Min J. Zuo, Saran Pidaparthy, Haoyang Ni, Robert Busch, hanyu Hou
On-Site Speaker (Planned)	Jian Min J. Zuo
Abstract Scope	Disorder in crystals produces diffuse scattering between Bragg reflection peaks. Traditionally, the study of crystal disorder has relied on the analysis of the volume integrated diffuse scattering with the help of modelling. Here we introduce a new diffractive imaging approach for the analysis of crystal disorder based on fluctuation analysis of the scattering of a coherent probe. We show that coherent diffraction of nm-sized electron probe produce the laser-speckles-like diffuse-scattering pattern, which records the interference of diffuse scattering in a disordered crystal. The fluctuations can be analyzed with the help of cepstral transformation and the Patterson function of the distortive part of the scattering potential can be obtained for diffractive imaging. We will demonstrated this principles using several examples, from dislocations in a semiconductor to battery materials.
Proceedings Inclusion?	Planned:
Keywords	Characterization, Other,

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