Seek help for space groups in 2 dimensions Bravais lattice

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SUMMARY

The discussion focuses on identifying space groups in two-dimensional Bravais lattices, specifically analyzing the provided structures with red and green dots representing different atoms. The user seeks expert assistance in determining symmetry planes within these structures. The attached images are crucial for visualizing the crystal arrangements and understanding their symmetry properties. The inquiry highlights a need for clarity in crystal structure theory, particularly regarding 2D space groups.

PREREQUISITES
  • Understanding of Bravais lattices in crystallography
  • Familiarity with space group symmetry in two dimensions
  • Basic knowledge of crystal structure theory
  • Ability to analyze visual representations of atomic arrangements
NEXT STEPS
  • Research the classification of two-dimensional Bravais lattices
  • Study the concept of symmetry planes in crystal structures
  • Explore the International Tables for Crystallography for space group information
  • Learn about software tools for visualizing crystal structures and symmetry analysis
USEFUL FOR

Researchers, crystallographers, and students in materials science or solid-state physics who are working with two-dimensional materials and require a deeper understanding of Bravais lattices and their symmetry properties.

harmonyU
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Dear experts,
I'm not familiar with crystal structure theory. I'm seek expertise to figure out space groups in 2 dimensions Bravais lattice of the attached structures. In the figure, red and greens dots represent different atoms. I'll greatly appreciate your help.

Struture 1
https://www.physicsforums.com/attachment.php?attachmentid=55823&stc=1&d=1361080231
structure 2
https://www.physicsforums.com/attachment.php?attachmentid=55824&stc=1&d=1361080249
structure 2
https://www.physicsforums.com/attachment.php?attachmentid=55825&stc=1&d=1361080249
 

Attachments

  • Structure 1.jpg
    Structure 1.jpg
    24.2 KB · Views: 819
  • Structure 2.jpg
    Structure 2.jpg
    19.8 KB · Views: 794
  • Structure 3.png
    Structure 3.png
    2.4 KB · Views: 848
Physics news on Phys.org
Dr Transport said:
do you see any symmetry planes?
Thank you men. I'm not familiar with space group in 2D bravais lattice. Can you give me your expertise answer?
 

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