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Journal article
Insights into the physical chemistry of materials from advances in HAADF-STEM
Physical chemistry chemical physics : PCCP, v 17(6), pp 3982-4006
01 Jan 2015
PMID: 25586364
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The observation that, New tools lead to new science[P. S. Weiss, ACS Nano., 2012, 6(3), 18771879], 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 sub-angstrom 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.
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Details
- Title
- Insights into the physical chemistry of materials from advances in HAADF-STEM
- Creators
- Karl Sohlberg - Drexel UniversityTimothy J. Pennycook - University of OxfordWu Zhou - Oak Ridge Natl Lab, Mat Sci & Technol Div, Oak Ridge, TN 37831 USAStephen J. Pennycook - University of Tennessee at Knoxville
- Publication Details
- Physical chemistry chemical physics : PCCP, v 17(6), pp 3982-4006
- Publisher
- Royal Soc Chemistry
- Number of pages
- 25
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Chemistry
- Web of Science ID
- WOS:000349005900003
- Scopus ID
- 2-s2.0-84922166078
- Other Identifier
- 991019168832504721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Physical
- Physics, Atomic, Molecular & Chemical