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← ScienceWhich consequence results when ferromagnetic nanoparticles experience Néel relaxation?
A)Loss of magnetization occurs✓
B)Increased magnetic coercivity arises
C)Enhanced microwave absorption results
D)Improved thermal conductivity develops
💡 Explanation
Applied magnetic fields trigger Néel relaxation through thermal fluctuations overcoming the anisotropy energy barrier; because the magnetic moments randomly reorient, therefore a loss of bulk magnetization occurs, rather than a systematic alignment under higher coercivity.
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