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Title: Ptychographic x-ray imaging of surfaces on crystal truncation rod

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4914927· OSTI ID:1356998
 [1];  [2];  [3];  [4];  [2];  [2];  [5]; ORCiD logo [2];  [6];  [3]; ORCiD logo [2]
  1. Argonne National Lab. (ANL), Argonne, IL (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
  3. Paul Scherrer Inst. (PSI), Villigen (Switzerland)
  4. Safarik Univ., Kosice (Slovakia)
  5. Brookhaven National Lab. (BNL), Upton, NY (United States)
  6. Rochester Inst. of Technology, Rochester, NY (United States)

Ptychography is a high-resolution imaging technique which does not require lenses for image magnification and which provides phase contrast with high sensitivity. Here we propose to use x-ray ptychography for the imaging of surface structure in crystalline samples. We show that ptychography can be used to image atomic structures using coherent diffraction patterns recorded along the crystal truncation rod of a crystal surface. In a proof-of-concept experiment on a Pt(111) sample, we present ptychographic reconstructions showing features consistent with surface steps. Furthermore, due to the penetration power of x-rays, this method could find interesting applications for the study of surface structures under buried interfaces or in harsh environments.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division
Grant/Contract Number:
AC02-06CH11357; ITMS 26220120005
OSTI ID:
1356998
Journal Information:
Applied Physics Letters, Vol. 106, Issue 10; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 9 works
Citation information provided by
Web of Science

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Cited By (5)

X-ray ptychography on low-dimensional hard-condensed matter materials journal March 2019
A Monte Carlo ray-tracing simulation of coherent X-ray diffractive imaging journal January 2020
Coherent amplitude modulation imaging based on partially saturated diffraction pattern journal January 2018
Dynamical effects in Bragg coherent x-ray diffraction imaging of finite crystals text January 2017
A versatile nanoreactor for complementary in situ X-ray and electron microscopy studies in catalysis and materials science text January 2019