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Title: Structural sensitivity of x-ray Bragg projection ptychography to domain patterns in epitaxial thin films

Journal Article · · Physical Review A
 [1];  [2];  [1];  [1];  [3];  [1]
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Univ. of Wisconsin, Madison, WI (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
  3. Univ. of Wisconsin, Madison, WI (United States)

Bragg projection ptychography (BPP) is a coherent diffraction imaging technique capable of mapping the spatial distribution of the Bragg structure factor in nanostructured thin films. Here, we show that, because these images are projections, the structural sensitivity of the resulting images depends on the film thickness and the aspect ratio and orientation of the features of interest and that image interpretation depends on these factors. Lastly, we model changes in contrast in the BPP reconstructions of simulated PbTiO3 ferroelectric thin films with meandering 180° stripe domains as a function of film thickness, discuss their origin, and comment on the implication of these factors on the design of BPP experiments of general nanostructured films.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-06CH11357; FG02-04ER46147
OSTI ID:
1340002
Alternate ID(s):
OSTI ID: 1328513
Journal Information:
Physical Review A, Vol. 94, Issue 4; ISSN 2469-9926
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

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Cited By (5)

High-resolution three-dimensional structural microscopy by single-angle Bragg ptychography journal November 2016
X-ray ptychography journal December 2017
X-ray ptychography on low-dimensional hard-condensed matter materials journal March 2019
X-ray ptychography journal August 2011
Bragg projection ptychography on niobium phase domains text January 2017

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