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Title: A Three-Dimensional Reconstruction Algorithm for Scanning Transmission Electron Microscopy Data from a Single Sample Orientation

Journal Article · · Microscopy and Microanalysis
ORCiD logo [1];  [2];  [2];  [3];  [3];  [4];  [5];  [4];  [6];  [6]; ORCiD logo [6]; ORCiD logo [7];  [8];  [2];  [4];  [4]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry; Univ. of Melbourne, Parkville, VIC (Australia)
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry; Univ. of California, Berkeley, CA (United States)
  3. Univ. of California, Berkeley, CA (United States)
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry
  5. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry; King's College, London (United Kingdom)
  6. Humboldt Univ. of Berlin (Germany)
  7. Monash Univ., Melbourne, VIC (Australia)
  8. Univ. of Melbourne, Parkville, VIC (Australia)

Increasing interest in three-dimensional nanostructures adds impetus to electron microscopy techniques capable of imaging at or below the nanoscale in three dimensions. In this work, we present a reconstruction algorithm that takes as input a focal series of four-dimensional scanning transmission electron microscopy (4D-STEM) data. We apply the approach to a lead iridate, Pb2Ir2O7, and yttrium-stabilized zirconia, Y0.095Zr0.905O2, heterostructure from data acquired with the specimen in a single plan-view orientation, with the epitaxial layers stacked along the beam direction. We demonstrate that Pb-Ir atomic columns are visible in the uppermost layers of the reconstructed volume. We compare this approach to the alternative techniques of depth sectioning using differential phase contrast scanning transmission electron microscopy (DPC-STEM) and multislice ptychographic reconstruction.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Scientific User Facilities Division; USDOE Laboratory Directed Research and Development (LDRD) Program; US Air Force Office of Scientific Research (AFOSR); Australian Research Council; German Research Foundation (DFG)
Grant/Contract Number:
AC02-05CH11231; FA9550-18-1-0480; FT190100619; 414984028 - SFB 1404; Contract number DE-AC02-05CH11231
OSTI ID:
1914336
Alternate ID(s):
OSTI ID: 1894632
Journal Information:
Microscopy and Microanalysis, Vol. 28, Issue 5; ISSN 1431-9276
Publisher:
Microscopy Society of America (MSA)Copyright Statement
Country of Publication:
United States
Language:
English

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