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Start Over Author "Allen, Leslie J." Journal physical review letters
4 results on '"Allen, Leslie J."'

2. Atom-Scale Ptychographic Electron Diffractive Imaging of Boron Nitride Cones

Author

Putkunz, Corey T., primary, D’Alfonso, Adrian J., additional, Morgan, Andrew J., additional, Weyland, Matthew, additional, Dwyer, Christian, additional, Bourgeois, Laure, additional, Etheridge, Joanne, additional, Roberts, Ann, additional, Scholten, Robert E., additional, Nugent, Keith A., additional, and Allen, Leslie J., additional

Published
2012
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4. Three-Dimensional Imaging of Individual Dopant Atoms in SrTiO3.

Author

Jinwoo Hwang, Zhang, Jack Y., D'Alfonso, Adrian J., Allen, Leslie J., and Stemmer, Susanne

Subjects
*THREE-dimensional imaging, *DOPING agents (Chemistry), *SCANNING transmission electron microscopy, *ELECTRIC measurements, *ATOMS
Abstract

We report on three-dimensional (3D) imaging of individual Gd dopant atoms in a thin (∼2.3  nm) foil of SrTiO3, using quantitative scanning transmission electron microscopy. Uncertainties in the depth positions of individual dopants are less than 1 unit cell. The overall dopant concentration measured from atom column intensities agrees quantitatively with electrical measurements. The method is applied to analyze the 3D arrangement of dopants within small clusters containing 4–5 Gd atoms. [ABSTRACT FROM AUTHOR]

Published
2013
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