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Title: Strain mapping at nanometer resolution using advanced nano-beam electron diffraction

Journal Article · · Applied Physics Letters
DOI:https://doi.org/10.1063/1.4922994· OSTI ID:1773706
 [1];  [2];  [3];  [1];  [1];  [1];  [4]
  1. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Center for Electron Microscopy
  2. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Center for Electron Microscopy; Univ. of California, Berkeley, CA (United States); Univ. of Vienna (Austria)
  3. Nagoya Univ. (Japan). Inst. for Advanced Research
  4. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Molecular Foundry; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). National Center for Electron Microscopy; Univ. of California, Berkeley, CA (United States)

In this work, we report on the development of a nanometer scale strain mapping technique by means of scanning nano-beam electron diffraction. Only recently possible due to fast acquisition with a direct electron detector, this technique allows for strain mapping with a high precision of 0.1% at a lateral resolution of 1 nm for a large field of view reaching up to 1 μm. We demonstrate its application to a technologically relevant strain-engineered GaAs/GaAsP hetero-structure and show that the method can even be applied to highly defected regions with substantial changes in local crystal orientation. Strain maps derived from atomically resolved scanning transmission electron microscopy images were used to validate the accuracy, precision and resolution of this versatile technique.

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
Grant/Contract Number:
AC02-05CH11231; FWF J3397
OSTI ID:
1773706
Alternate ID(s):
OSTI ID: 1226763
Journal Information:
Applied Physics Letters, Vol. 106, Issue 25; ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 129 works
Citation information provided by
Web of Science

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Frontiers in strain-engineered multifunctional ferroic materials journal August 2016
Fast ‘ Operando ’ electron nanotomography: FAST ‘ OPERANDO ’ ELECTRON NANOTOMOGRAPHY journal April 2017
A fast image simulation algorithm for scanning transmission electron microscopy journal May 2017
Nanoscale elastic strain mapping of polycrystalline materials text January 2018
Non-spectroscopic composition measurements of SrTiO 3 -La 0.7 Sr 0.3 MnO 3 multilayers using scanning convergent beam electron diffraction journal February 2017
Nanoscale elastic strain mapping of polycrystalline materials text January 2018
Machine Detection of Enhanced Electromechanical Energy Conversion in PbZr 0.2 Ti 0.8 O 3 Thin Films journal May 2018
Nanoscale mosaicity revealed in peptide microcrystals by scanning electron nanodiffraction journal January 2019
Recent breakthroughs in scanning transmission electron microscopy of small species journal January 2018
Subsampled STEM-ptychography journal July 2018
Functional Materials Under Stress: In Situ TEM Observations of Structural Evolution journal November 2019
Tunable stacking fault energies by tailoring local chemical order in CrCoNi medium-entropy alloys journal August 2018
Evaluation of crystallographic strain, rotation and defects in functional oxides by the moiré effect in scanning transmission electron microscopy journal February 2018
Local nanoscale strain mapping of a metallic glass during in situ testing journal April 2018
TEM investigations of gate-all-around nanowire devices journal November 2019
Highly mobile ferroelastic domain walls in compositionally graded ferroelectric thin films journal February 2016
Mapping structure and morphology of amorphous organic thin films by 4D-STEM pair distribution function analysis journal March 2019
Emerging Electron Microscopy Techniques for Probing Functional Interfaces in Energy Materials journal January 2020
High Dynamic Range Pixel Array Detector for Scanning Transmission Electron Microscopy text January 2015
Measuring temperature-dependent thermal diffuse scattering using scanning transmission electron microscopy journal December 2018
The 4D Camera: Very High Speed Electron Counting for 4D-STEM journal August 2019
Tunable stacking fault energies by tailoring local chemical order in CrCoNi medium-entropy alloys text January 2018
Local and transient nanoscale strain mapping during in situ deformation journal August 2016
Nanoscale elastic strain mapping of polycrystalline materials journal February 2018
Nanoscale diffractive probing of strain dynamics in ultrafast transmission electron microscopy text January 2017
A new method to reliably determine elastic strain of various crystal structures from atomic-resolution images journal November 2019
Nanoscale diffractive probing of strain dynamics in ultrafast transmission electron microscopy journal January 2018
Advances in in situ nanomechanical testing journal June 2019
Insights into fundamental deformation processes from advanced in situ transmission electron microscopy journal June 2019