The orientation dependence of thin-crystal lattice fringes can be gracefully quantified using fringe-visibility maps, a direct-space analog of Kikuchi maps [Nishikawa and Kikuchi, Nature (London) 121, 1019 (1928)]. As in navigation of reciprocal space with the aid of Kikuchi lines, fringe-visibility maps facilitate acquisition of crystallographic information from lattice images. In particular, these maps can help researchers to determine the three-dimensional lattice of individual nanocrystals, to “fringe-fingerprint” collections of randomly oriented particles, and to measure local specimen thickness with only a modest tilt. Since the number of fringes in an image increases with maximum spatial-frequency squared, these strategies (with help from more precise goniometers) will be more useful as aberration correction moves resolutions into the subangstrom range.
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1 December 2005
Research Article|
December 05 2005
Making sense of nanocrystal lattice fringes
P. Fraundorf;
P. Fraundorf
a)
Department of Physics and Astronomy and Center for Molecular Electronics
, U. Missouri-StL, St. Louis, Missouri 63121
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Wentao Qin;
Wentao Qin
Advanced Products R&D Laboratory
, Freescale Semiconductor, Inc., Chandler, Arizona 85224
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Peter Moeck;
Peter Moeck
Department of Physics,
Portland State University
, P.O. Box 751, Portland, Oregon 97207-0751
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Eric Mandell
Eric Mandell
Department of Physics and Astronomy and Center for Molecular Electronics
, U. Missouri-StL, St. Louis, Missouri 63121
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a)
Electronic mail: pfraundorf@umsl.edu
J. Appl. Phys. 98, 114308 (2005)
Article history
Received:
March 02 2005
Accepted:
October 17 2005
Citation
P. Fraundorf, Wentao Qin, Peter Moeck, Eric Mandell; Making sense of nanocrystal lattice fringes. J. Appl. Phys. 1 December 2005; 98 (11): 114308. https://doi.org/10.1063/1.2135414
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