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Which outcome reduces magnetic susceptibility when a crystal lattice compresses?

A)Increased exchange interaction strength
B)Decreased magnetic domain wall mobility
C)Enhanced magnetostrictive energy
D)Weakened spin-orbit coupling strength

💡 Explanation

Increased compressive stress enhances magnetostrictive energy. Domains increasingly align against the stress via lattice strain because the magnetoelastic anisotropy energy overwhelms the applied field energy, therefore susceptibility decreases, rather than domains aligning and boosting susceptibility under applied magnetic fields.

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