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Table. 1.

Band theory presented in university physics textbooks.

Category Contents General Physics Modern Physics
G1 G2 G3 G4 M1 M2 M3 M4
Description Explanation about the formation of energy band through splitting energy states of multiple atoms
Cause of splitting energy from symmetric and antisymmetric energy states × × ×
Explanation about the formation of energy band through quantum-mechanical solving of periodic potential of atomic lattice × × × ×
Explanation about higher energy bands have wider bands × × × × × × ×
Illustration Splitting of energy level when multiple atoms come close together ×
An indication of energy increases in the band model. × × ×
New Phys.: Sae Mulli 2021;71:1044~1057 https://doi.org/10.3938/NPSM.71.1044
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