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← ScienceWhich outcome occurs when high electron density saturates graphene?
A)Increased electron-electron repulsion occurs✓
B)Band gap exhibits diminished presence
C)Superconductivity arises spontaneously
D)Quantum entanglement becomes dominant
💡 Explanation
Increasing electron density causes heightened electron-electron repulsion because the mechanism is enhanced Coulomb scattering; therefore, electrical conductivity diminishes, rather than bandgap changes, because graphene materials have an innate semi-metallic nature.
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