Surface energies of elemental crystals

Area of Science:

• Materials Science
• Solid State Physics
• Computational Chemistry

Background:

• Surface energy is a critical property influencing crystal behavior, especially at the nanoscale.
• Understanding surface phenomena like segregation, roughening, and catalytic activity is vital for materials design.

Purpose of the Study:

• To create the most extensive database of calculated surface energies for elemental crystals.
• To provide a resource for studying nanoscale surface phenomena and facilitating materials design.

Main Methods:

• Systematic calculation of surface energies for over 100 polymorphs of approximately 70 elements.
• Inclusion of surface reconstructions and consideration of Miller indices up to three for cubic and two for non-cubic crystals.
• Rigorous validation of calculated data against available experimental and computational results.

Main Results:

• Compilation of the largest database to date for elemental crystal surface energies.
• Database encompasses diverse polymorphs and elements, with detailed crystallographic information.
• Validation confirms the accuracy and reliability of the calculated surface energies.

Conclusions:

• The developed database serves as a valuable resource for researchers in materials science and related fields.
• The database facilitates further studies on surface phenomena and aids in the rational design of new materials.
• The systematic nature of the database allows for continuous improvement and expansion.