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← ScienceWhich outcome results when exceeding Bloch wall width limits?
A)Localized magnetization direction changes occur✓
B)Reduced magnetostriction significantly improves alignment
C)Increased crystalline anisotropy reduces permeability
D)Enhanced domain wall propagation boosts velocity
💡 Explanation
When Bloch wall widths are excessively constrained, the exchange interaction can’t smoothly rotate spins, because domain walls become unstable therefore introducing localized magnetization discontinuities, rather than supporting stable homogeneous magnetization transitions.
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