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← ScienceWhich consequence results when vacancy concentration exceeds acceptable limits in sputter-deposited alloy thin-films?
A)Compromised long-range atomic ordering✓
B)Increased thermal expansion coefficient
C)Enhanced bulk material superconductivity
D)Improved surface plasmon resonance coupling
💡 Explanation
Compromised long-range atomic ordering results due to high lattice vacancy concentration facilitating atom diffusion and rearrangement, which inhibits the regular arrangement required for crystal growth, therefore the lattice structure degrades rather than enhancing other properties because the vacancy affects periodicity.
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