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In Situ Electron Microscopy

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In Situ Electron Microscopy
Materials for Energy Efficient ICT

The in-situ electron microscopy package comprises two dedicated TEM holders, a fast camera designed for in-situ experiments and a holder storage unit where holders may be kept under vacuum.

  1. Protochips Poseidon continuous flow liquid cell in-situ holder with additional electrochemical cell.
  2. Gatan double tilt vacuum transfer holder Model 648 that enables air-sensitive samples to be transferred to the electron microscope without the sample being exposed to the atmosphere in order to study air-sensitive samples.
  3. Gatan OneView Camera Model that enables TEM images to be acquired at high frame rates (up to 300 fps). High-quality video can be recorded over a range of resolution and speed combinations, from 4096 x 4096 pixels at 25 fps, to 512 x 512 pixels at 300 fps.  The camera is supplied with a dedicated PC incorporating a ‘LookBack’ streaming video function to post-event trigger video capture; it is possible to keep a rolling capture up to 20s in length to avoid missed reaction events.
  4. Gatan turbo pumping station Model 655 designed for storing the TEM holders under vacuum when not being used.

Uses

Using the holder the sample can be examined as part of a continuous flow experiment. Or, by using a static cell with electrical contacts, it is possible to image structural changes during electrochemical reactions. This package is ideal for in-situ studies of reactions, phase transformations and domain wall movement.

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