New views of materials through aberration-corrected scanning transmission electron microscopy
Author(s) -
Stephen J. Pennycook,
M. Varela
Publication year - 2011
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/dfr030
Subject(s) - scanning transmission electron microscopy , optics , electron , electron energy loss spectroscopy , resolution (logic) , energy filtered transmission electron microscopy , high resolution transmission electron microscopy , materials science , electron tomography , spectroscopy , transmission (telecommunications) , transmission electron microscopy , physics , nanotechnology , computer science , telecommunications , artificial intelligence , quantum mechanics
The successful correction of third-order and, more recently, fifth-order aberrations has enormously enhanced the capabilities of the scanning transmission electron microscope (STEM), by not only achieving record resolution, but also allowing near 100% efficiency for electron energy loss spectroscopy, and higher currents for two-dimensional spectrum imaging. These advances have meant that the intrinsic advantages of the STEM, incoherent imaging and simultaneous collection of multiple complementary images can now give new insights into many areas of materials physics. Here, we review a number of examples, mostly from the field of complex oxides, and look towards new directions for the future.
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