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← ScienceWhich mechanism enables enhanced ion mobility in fast-conducting crystalline solids?
A)Vacancy diffusion through crystal lattice✓
B)Increased electronic band gap widening
C)Enhanced grain boundary phonon scattering
D)Decreased magnetostriction within domains
💡 Explanation
Vacancy concentration enables rapid ion transport via vacancy diffusion in the crystal lattice because ions readily jump into vacancies under an applied electric potential. Therefore ,ion mobility increases rather than decreasing as edge effects would scatter ions.
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