COSMIC~ Next Generation X-RAY

COSMIC-Coherent Scattering and Microscopy

  • Used to measure the material properties at Nano scale

  • This allows scientist to investigate batteries and other active chemical reactions, and to reveal new details about magnetism and correlated electronic materials.

Two Branches:

  1. X-ray imaging experiments

  2. Scattering experiments.

In both cases X-Rays react with sample and gives structural, chemical, electronic, or magnetic information about samples.

Ptychographic computed tomography :

  • This mapped the location of reactions inside lithium-ion batteries in 3-D.

  • Ptychography achieves spatial resolution finer than the X-ray spot size by phase retrieval from coherent diffraction data.

  • This ¬†allowed them to view the chemical states within individual nanoparticles.

  • Researchers looked at a piece of a battery cathode in 3-D with a resolution that was unprecedented for X-rays.

  • This provides new insight into battery performance both at the single-particle level and across statistically significant portions of a battery cathode.

COSMIC is focused on a range of “soft” or low-energy X-rays that are particularly well-suited for analysis of chemical composition within materials.This can be focused upto 50nm.

DETECTORS:

The current detector can operate at a data rate of up to 400 megabytes per second and can now generate a few terabytes of data per day enough to store about 500 to 1,000 feature-length movies.

Next-generation detectors, to be tested shortly, will produce data 100 times faster.

Scientists have already used COSMIC’s imaging capabilities to explore a range of nanomaterials, battery anode and cathode materials, cements, glasses, and magnetic thin films.

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