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Phase plates in the transmission electron microscope: operating principles and applications
Author(s) -
Marek Malac,
Simon Hettler,
Misa Hayashida,
Emi Kano,
R.F. Egerton,
Marco Beleggia
Publication year - 2020
Publication title -
microscopy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.545
H-Index - 52
eISSN - 2050-5701
pISSN - 2050-5698
DOI - 10.1093/jmicro/dfaa070
Subject(s) - phase (matter) , scanning transmission electron microscopy , microscope , optics , electron , transmission electron microscopy , electron tomography , transmission (telecommunications) , focus (optics) , materials science , electron microscope , physics , computer science , telecommunications , nuclear physics , quantum mechanics
In this paper, we review the current state of phase plate imaging in a transmission electron microscope. We focus especially on the hole-free phase plate design, also referred to as the Volta phase plate. We discuss the implementation, operating principles and applications of phase plate imaging. We provide an imaging theory that accounts for inelastic scattering in both the sample and in the hole-free phase plate.

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