WebDec 23, 2024 · The capability in spatially resolving the interactions between components in lithium (Li)-ion battery cathodes, especially correlating chemistry and electronic structure, is challenging but critical for a better understanding of complex degradation mechanisms for rational developments. X-ray spectro-ptychography and conventional synchrotron-based … WebTitle: X-ray ptychographic topography, a new tool for strain imaging - Diffraction of X-ray by thin perfect crystalsSpeaker: Mariana Verezhak, Kyiv Polytec...

Multi-beam X-ray ptychography for high-throughput …

Webphytography: [noun] descriptive botany sometimes including plant taxonomy. Ptychography (/t(ʌ)ɪˈkogræfi/ t(a)i-KO-graf-ee ) is a computational method of microscopic imaging. It generates images by processing many coherent interference patterns that have been scattered from an object of interest. Its defining characteristic is translational invariance, which means that the … See more Although the interference patterns used in ptychography can only be measured in intensity, the mathematical constraints provided by the translational invariance of the two functions (illumination and object), together with the … See more Lens insensitive Ptychography can be undertaken without using any lenses at all, although most implementations use a lens of some type, if only to condense radiation onto the specimen. The detector can measure high angles of See more Beginnings in crystallography The name "ptychography" was coined by Hegerl and Hoppe in 1970 to describe a solution to the crystallographic phase problem first … See more • Cornell researchers see atoms at record resolution, cornell.edu at May 20, 2024 See more There are many optical configurations for ptychography: mathematically, it requires two invariant functions that move across one another while an interference pattern generated by the product of the two functions is measured. The interference pattern can be a See more Applications of ptychography are diverse because it can be used with any type of radiation that can be prepared as a quasi-monochromatic … See more • Phase retrieval • Computational imaging • Fourier ptychography See more tofo yoga

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WebDear Colleagues, Over the last decade, electron diffraction (ED) and structural imaging have received renewed interest from the scientific community due to the advances in TEM instrumentation (Cs correctors, direct detection cameras, 4D STEM) and the introduction of new techniques, such as beam precession, 3D electron diffraction and ptychography. WebFeb 26, 2024 · Ptychography is a powerful scanning imaging technique that utilizes advanced mathematical tools to retrieve the missing phase information of the wave-field from a sequence of intensity measurements [1–3].The attraction of this technique comes from its capability of recovering both the complex-valued probe and object functions, a … tof partyband