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Title: Insights into the physical chemistry of materials from advances in HAADF-STEM

Abstract

The observation that, ‘‘New tools lead to new science’’[P. S. Weiss, ACS Nano., 2012, 6(3), 1877–1879], is perhaps nowhere more evident than in scanning transmission electron microscopy (STEM). Advances in STEM have endowed this technique with several powerful and complimentary capabilities. For example, the application of high-angle annular dark-field imaging has made possible real-space imaging at subangstrom resolution with Z-contrast (Z = atomic number). Further advances have wrought: simultaneous real-space imaging and elemental identification by using electron energy loss spectroscopy (EELS); 3-dimensional (3D) mapping by depth sectioning; monitoring of surface diffusion by time-sequencing of images; reduced electron energy imaging for probing graphenes; etc. In this paper we review how these advances, often coupled with first-principles theory, have led to interesting and important new insights into the physical chemistry of materials. We then review in detail a few specific applications that highlight some of these STEM capabilities.

Authors:
 [1];  [2];  [3];  [4]
  1. Drexel Univ., Philadelphia, PA (United States)
  2. SuperSTEM Lab., Daresbury (United Kingdom); Univ. of Oxford (United Kingdom)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  4. Univ. of Tennessee, Knoxville, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1185797
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
Physical Chemistry Chemical Physics. PCCP (Print)
Additional Journal Information:
Journal Name: Physical Chemistry Chemical Physics. PCCP (Print); Journal Volume: 17; Journal Issue: 6; Journal ID: ISSN 1463-9076
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Sohlberg, Karl, Pennycook, Timothy J., Zhou, Wu, and Pennycook, Stephen J. Insights into the physical chemistry of materials from advances in HAADF-STEM. United States: N. p., 2014. Web. doi:10.1039/C4CP04232H.
Sohlberg, Karl, Pennycook, Timothy J., Zhou, Wu, & Pennycook, Stephen J. Insights into the physical chemistry of materials from advances in HAADF-STEM. United States. doi:10.1039/C4CP04232H.
Sohlberg, Karl, Pennycook, Timothy J., Zhou, Wu, and Pennycook, Stephen J. Thu . "Insights into the physical chemistry of materials from advances in HAADF-STEM". United States. doi:10.1039/C4CP04232H. https://www.osti.gov/servlets/purl/1185797.
@article{osti_1185797,
title = {Insights into the physical chemistry of materials from advances in HAADF-STEM},
author = {Sohlberg, Karl and Pennycook, Timothy J. and Zhou, Wu and Pennycook, Stephen J.},
abstractNote = {The observation that, ‘‘New tools lead to new science’’[P. S. Weiss, ACS Nano., 2012, 6(3), 1877–1879], is perhaps nowhere more evident than in scanning transmission electron microscopy (STEM). Advances in STEM have endowed this technique with several powerful and complimentary capabilities. For example, the application of high-angle annular dark-field imaging has made possible real-space imaging at subangstrom resolution with Z-contrast (Z = atomic number). Further advances have wrought: simultaneous real-space imaging and elemental identification by using electron energy loss spectroscopy (EELS); 3-dimensional (3D) mapping by depth sectioning; monitoring of surface diffusion by time-sequencing of images; reduced electron energy imaging for probing graphenes; etc. In this paper we review how these advances, often coupled with first-principles theory, have led to interesting and important new insights into the physical chemistry of materials. We then review in detail a few specific applications that highlight some of these STEM capabilities.},
doi = {10.1039/C4CP04232H},
journal = {Physical Chemistry Chemical Physics. PCCP (Print)},
number = 6,
volume = 17,
place = {United States},
year = {2014},
month = {11}
}

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Cited by: 11 works
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Works referenced in this record:

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