Atomic-number (Z)-correlated atomic sizes for deciphering electron microscopic molecular images

Area of Science:

• Molecular science
• Materials science
• Microscopy

Background:

• Atomic resolution transmission electron microscopy (TEM) provides dynamic atomic-scale imaging of molecules.
• Current molecular models often differ from TEM images due to visualizing electronic properties instead of nuclear electrostatic potentials.

Purpose of the Study:

• To develop a molecular model that accurately reproduces TEM images.
• To correlate atomic radii with atomic number for improved TEM image simulation.

Main Methods:

• Proposed a novel molecular model.
• Utilized atomic radii correlated to atomic number (Z).

Main Results:

• The developed model successfully reproduces TEM images.
• The model provides a priori visualization of single molecules, assemblies, and thin crystals.

Conclusions:

• The new model enhances the interpretation of TEM images for organic and inorganic materials.
• This approach offers a valuable tool for understanding molecular structures in TEM.