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Please use this identifier to cite or link to this item: http://hdl.handle.net/10119/16079

Title: Experimental evaluation of spatial resolution in phase maps retrieved by transport of intensity equation
Authors: Zhang, Xiaobin
Oshima, Yoshifumi
Keywords: transport of intensity equation
phase retrieval
mean inner potential
gold nanoparticle
spatial resolution
Issue Date: 2015-08-12
Publisher: Oxford University Press
Magazine name: Microscopy
Volume: 64
Number: 6
Start page: 395
End page: 400
DOI: 10.1093/jmicro/dfv045
Abstract: The transport of intensity equation (TIE) is a convenient method of obtaining a potential distribution, as it requires only three transmission electron microscopy images with different amounts of defocus. However, the spatial resolution of the TIE phase map has not yet been evaluated experimentally. In this study, we investigated the phase distribution of spherical gold nanoparticles and its dependence on the defocus difference and found that the spatial resolution was finer than 2 nm, even for a defocus difference of 4 μm. Theoretical calculations reproduced the experimental results well.
Rights: This is a pre-copy-editing, author-produced PDF of an article accepted for publication in MICROSCOPY following peer review. The definitive publisher-authenticated version MICROSCOPY (2015) 64(6): 395-400 is available online at: http://dx.doi.org/10.1093/jmicro/dfv045
URI: http://hdl.handle.net/10119/16079
Material Type: author
Appears in Collections:g10-1. 雑誌掲載論文 (Journal Articles)

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