Environmental Transmission Electron Microscopy in an Aberration-Corrected Environment

Publication: Research - peer-reviewJournal article – Annual report year: 2012

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The increasing use of environmental transmission electron microscopy (ETEM) in materials science provides exciting new possibilities for investigating chemical reactions and understanding both the interaction of fast electrons with gas molecules and the effect of the presence of gas on high-resolution imaging. A gaseous atmosphere in the pole-piece gap of the objective lens of the microscope alters both the incoming electron wave prior to interaction with the sample and the outgoing wave below the sample. Whereas conventional TEM samples are usually thin (below 100 nm), the gas in the environmental cell fills the entire gap between the pole pieces and is thus not spatially localized. By using an FEI Titan environmental transmission electron microscope equipped with a monochromator and an aberration corrector on the objective lens, we have investigated the effects on imaging and spectroscopy caused by the presence of the gas.
Original languageEnglish
JournalMicroscopy and Microanalysis
Publication date2012
Volume18
Issue4
Pages684-690
ISSN1431-9276
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 11

Keywords

  • Environmental transmission electron microscopy (ETEM), Aberration correction, Catalysis, Scattering
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