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X-ray Crystallography

X-ray Crystallography

The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...

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Related Experiment Video

Updated: Oct 23, 2025

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

Published on: October 11, 2016

GPU-accelerated multitiered iterative phasing algorithm for fluctuation X-ray scattering.

Pranay Reddy Kommera^1,2, Vinay Ramakrishnaiah¹, Christine Sweeney¹

¹Applied Computer Science, Los Alamos National Laboratory, Los Alamos, NM 87545, USA.

Journal of Applied Crystallography

|August 25, 2021

Summary

This summary is machine-generated.

The multitiered iterative phasing (MTIP) algorithm accelerates macromolecular structure determination using GPUs. This GPU acceleration significantly enhances computational performance and enables cross-platform portability.

Failed At:

2026-06-19T13:48:27.266507+00:00

Keywords:

AMD GPUs CUDA programming GPU acceleration HIP programming NVIDIA GPUs fluctuation X-ray scattering multitiered iterative phasing polar Fourier transform spherical harmonic transform

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