Grids for Applications in High-Temperature High-Resolution Transmission Electron Microscopy

New TEM grids coated with ultrathin amorphous Al2O3 films have been developed using atomic layer deposition technique. The amorphous Al2O3 films can withstand temperatures over 600∘C in air and 900∘C in vacuum when the thickness of the Al2O3 film is 2 nm, and up to 1000∘C in air when the thickness i...

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Bibliographic Details
Main Authors: Lan, Yucheng, Wang, Hui, Wang, Dezhi, Chen, Gang, Ren, Zhifeng
Other Authors: Massachusetts Institute of Technology. Department of Mechanical Engineering
Format: Article
Language:en_US
Published: Hindawi Pub. Corp. 2011
Online Access:http://hdl.handle.net/1721.1/61384
https://orcid.org/0000-0002-3968-8530
Description
Summary:New TEM grids coated with ultrathin amorphous Al2O3 films have been developed using atomic layer deposition technique. The amorphous Al2O3 films can withstand temperatures over 600∘C in air and 900∘C in vacuum when the thickness of the Al2O3 film is 2 nm, and up to 1000∘C in air when the thickness is 25 nm, which makes heating TEM grids with nanoparticles up to 1000∘C in air and immediate TEM observation without interrupting the nanoparticles possible. Such coated TEM grids are very much desired for applications in high-temperature high-resolution transmission electron microscopy.