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← ScienceWhich outcome occurs when gallium arsenide semiconductor dimensions decrease anisotropically?
A)Quantum confinement affects electron mobility✓
B)Increased grain boundary electron scattering
C)Ohmic contact resistance sharply decreases
D)Thermal runaway risk decreases sharply
💡 Explanation
Quantum confinement impacts electron energy levels because the electron's de Broglie wavelength becomes comparable to crystal dimensions, affecting electron mobility therefore leading to distinct behavior rather than scattering or thermal effects, which would need different material properties.
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