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Which consequence results when antiferromagnetic coupling breaks down in a spin valve?

A)Increased magnetoresistance of the device
B)Reduced coercivity of the pinned layer
C)Decreased thermal stability of storage
D)Enhanced interlayer exchange coupling strength

💡 Explanation

Thermal fluctuations can overcome the antiferromagnetic coupling energy, leading to random alignment shifts, creating greater uncertainty. This, therefore, jeopardizes the long storage, rather than the sensitivity improving because layers become less predictable, rather than aligned or enhanced.

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