Automated and real-time structure solution using 3D electron diffraction

Area of Science:

• Materials Science
• Crystallography
• Chemistry

Background:

• Three-dimensional electron diffraction (3D ED) is crucial for analyzing nanoscale crystals.
• Current 3D ED structure solution is labor-intensive, requires expertise, and lacks real-time feedback, hindering widespread adoption.

Purpose of the Study:

• To develop a fully automated, real-time structure solution pipeline for 3D ED.
• To streamline data processing and structure solution, providing immediate quality and structural insights.

Main Methods:

• Implementation of the Instamatic-solve pipeline on a JEOL JEM 2100 transmission electron microscope.
• Automated processing of 3D ED data for real-time structure determination.
• Validation of the pipeline on diverse crystalline materials, including zeolites, hybrids, and organic molecules.

Main Results:

• Successful and rapid crystal structure solution for various materials within 2 minutes.
• The pipeline handles both real-time and offline 3D ED data from different platforms.
• Structure solution success is contingent on data quality, requiring completeness ≥50% and resolution <1.0 Å.

Conclusions:

• Instamatic-solve enables efficient, automated, and real-time structure solution for crystalline materials.
• The pipeline democratizes 3D ED by reducing reliance on specialized expertise.
• This advancement has broad implications across multiple scientific disciplines.