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← ScienceWhich mechanism limits data storage density in ferromagnetic materials?
A)Superparamagnetic effect✓
B)Magnetostrictive oscillation
C)Eddy current damping
D)Thermal hysteresis distortion
💡 Explanation
The superparamagnetic effect constrains data density because thermal energy destabilizes increasingly smaller magnetic domains, therefore above a critical size the magnetization becomes randomised rather than stable, preventing reliable bit storage.
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