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Updated: Mar 22, 2026

Quantitative Atomic-Site Analysis of Functional Dopants/Point Defects in Crystalline Materials by Electron-Channeling-Enhanced Microanalysis
Published on: May 10, 2021
Workshop on Measurement Needs for Local-Structure Determination in Inorganic Materials
Igor Levin1, Terrell Vanderah1
1National Institute of Standards and Technology, Gaithersburg MD 20899.
Solving the nanostructure problem requires a coordinated, interdisciplinary effort. A dedicated institute is proposed to integrate software, connect users with experts, maintain databases, and provide training for comprehensive local structure determination.
Area of Science:
- Materials Science
- Nanotechnology
- Computational Materials Science
Background:
- Functional material properties depend on local atomic structure (sub-nanometer to nanometers).
- Determining nanoscale atomic arrangements (the "nanostructure problem") is crucial for materials development.
- Current experimental methods provide only partial views of local structure, hindering comprehensive analysis.
Purpose of the Study:
- To devise a collaborative strategy for comprehensive local structure determination.
- To address the challenge of accurately characterizing nanostructured materials.
- To foster interdisciplinary collaboration among experts in experimental and theoretical areas.
Main Methods:
- Convening a NIST-sponsored workshop with experts in local structure determination.
- Facilitating discussions on experimental and theoretical approaches.
- Identifying organizational frameworks for collaborative research.
Main Results:
- Unanimous agreement that solving the nanostructure problem requires transcending single-institution capabilities.
- Convergence on establishing a dedicated institute for local structure determination.
- Identification of key functions for the proposed institute: software development, user-expert connection, database maintenance, and training.
Conclusions:
- A coordinated, interdisciplinary effort is essential to solve the nanostructure problem.
- A dedicated institute offers a viable platform for advancing local structure determination.
- The proposed institute will provide intellectual infrastructure through software, expertise, data, and education.
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