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← ScienceWhich mechanism prevents flux pinning in conventional superconductors?
A)Ginzburg-Landau theory limitations
B)Electron-phonon coupling saturation
C)Cooper pair symmetry breaking
D)Homogeneous material microstructure✓
💡 Explanation
Flux pinning is avoided with a homogeneous microstructure because the absence of defects eliminates pinning centers based on material heterogeneity; therefore, stable supercurrent flow is guaranteed rather than current suppression caused by localized magnetic flux concentration.
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