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Enable independent adjustment of several gas channels without complex external setups.

Our in‑situ TEM gas cell specimen holder enables the study of material behavior in gases at temperatures above 1000 °C, delivering atomic‑resolution imaging of gas–solid interactions under realistic reaction conditions. Gases or vapors are introduced through a microfabricated environmental cell using a compact, multi‑channel gas delivery system housed in a single chassis. Cell pressure is fully user‑controlled, from high vacuum to above atmospheric pressure. Local specimen heating is provided by an integrated MEMS heater with a calibrated temperature sensor, and the holder can be baked up to 160 °C for clean gas delivery. Custom data and image integration options are also available.

Technical Specs
Instrument Type
TEM

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Built on Engineering Excellence

High Impact Publications

Jennifer D. Lee, Zhen Qi, Alexandre C. Foucher, Hio Tong Ngan, Kevin Dennis, Jun Cui, Ilia I. Sadykov, Ethan J. Crumlin, Philippe Sautet, Eric A. Stach, Cynthia M. Friend, Robert J. Madix, Juergen Biener. “Facilitating Hydrogen Dissociation over Dilute Nanoporous Ti-Cu Catalysts”. Journal of the American Chemical Society (2022)

Alexandre C. Foucher, Nicholas Marcella, Jennifer D. Lee, Ryan Tappero, Christopher B. Murray, Anatoly I. Frenkel, Eric A. Stach. “Dynamical Change of Valence States and Structure in NiCu3 Nanoparticles during Redox Cycling”. The Journal of Physical Chemistry C (2022)

Alexandre C. Foucher, Cameron J. Owen, Tanya Shirman, Joanna Aizenberg, Boris Kozinsky, Eric A. Stach. “Atomic-Scale STEM Analysis Shows Structural Changes of Au-Pd Nanoparticles in Various Gaseous Environments”. The Journal of Physical Chemistry C (2022)

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