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Title: Big Data Analytics for Scanning Transmission Electron Microscopy Ptychography

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep26348· OSTI ID:1261280
 [1];  [1];  [1];  [2];  [1];  [3];  [3]
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Inst. for Functional Imaging of Materials; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences
  2. Florida State Univ., Tallahassee, FL (United States)
  3. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Inst. for Functional Imaging of Materials; Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Sciences and Technology Division

Electron microscopy is undergoing a transition; from the model of producing only a few micrographs, through the current state where many images and spectra can be digitally recorded, to a new mode where very large volumes of data (movies, ptychographic and multi-dimensional series) can be rapidly obtained. In this paper, we discuss the application of so-called “big-data” methods to high dimensional microscopy data, using unsupervised multivariate statistical techniques, in order to explore salient image features in a specific example of BiFeO3 domains. Remarkably, k-means clustering reveals domain differentiation despite the fact that the algorithm is purely statistical in nature and does not require any prior information regarding the material, any coexisting phases, or any differentiating structures. While this is a somewhat trivial case, this example signifies the extraction of useful physical and structural information without any prior bias regarding the sample or the instrumental modality. Further interpretation of these types of results may still require human intervention. Finally, however, the open nature of this algorithm and its wide availability, enable broad collaborations and exploratory work necessary to enable efficient data analysis in electron microscopy.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division; USDOE Laboratory Directed Research and Development (LDRD) Program
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1261280
Journal Information:
Scientific Reports, Vol. 6; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 48 works
Citation information provided by
Web of Science

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Cited By (23)

LiberTEM/LiberTEM: 0.4.1 software February 2020
Direct and continuous strain control of catalysts with tunable battery electrode materials journal November 2016
LiberTEM/LiberTEM: 0.3.0 software December 2019
Frontiers in strain-engineered multifunctional ferroic materials journal August 2016
LiberTEM/LiberTEM: 0.2.0 software October 2019
LiberTEM/LiberTEM-blobfinder: 0.4.0 software February 2020
Automated defect analysis in electron microscopic images journal July 2018
LiberTEM/LiberTEM-blobfinder: 0.4.0 software February 2020
Machine Detection of Enhanced Electromechanical Energy Conversion in PbZr 0.2 Ti 0.8 O 3 Thin Films journal May 2018
LiberTEM/LiberTEM: 0.2.2 software October 2019
Machine learning-based multidomain processing for texture-based image segmentation and analysis journal January 2020
Manifold learning of four-dimensional scanning transmission electron microscopy journal January 2019
Functional Materials Under Stress: In Situ TEM Observations of Structural Evolution journal November 2019
Ptychography 4.0: 0.1.0 software January 2021
Ptychography 4.0: 0.1.0 software July 2021
LiberTEM/LiberTEM: 0.2.1 software October 2019
LiberTEM/LiberTEM: 0.4.0 software February 2020
Smart machine learning or discovering meaningful physical and chemical contributions through dimensional stacking journal August 2019
Extensive deep neural networks for transferring small scale learning to large scale systems text January 2017
LiberTEM/LiberTEM: 0.5.1 software August 2020
LiberTEM/LiberTEM: 0.5.0 software April 2020
Correcting the linear and nonlinear distortions for atomically resolved STEM spectrum and diffraction imaging journal January 2018
Nonuniform Sparse Data Clustering Cascade Algorithm Based on Dynamic Cumulative Entropy journal January 2016

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