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← ScienceWhich outcome results when gallium arsenide undergoes a solid-solid phase transition?
A)Change in carrier mobility occurs✓
B)Increased thermal conductivity observed
C)Crystal structure will remain constant
D)Dielectric constant remains unchanged
💡 Explanation
A shift in the gallium arsenide crystalline structure impacts its energy band gap, and electron flow; because the solid-solid transformations involves a change of the lattice constant via polymorphic transition, therefore charge mobility is altered rather than the thermal or dielectric properties remaining unchanged.
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