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← ScienceWhich consequence develops when reverse biasing of a ferromagnetic tunnel junction exceeds the tunnel barrier limit?
A)Spontaneous generation of electron-hole pairs
B)Suppressed spin-polarized current occurrence
C)Tunnel magnetoresistance diminishes entirely✓
D)Domain wall pinning energy decreases slightly
💡 Explanation
Reduced tunnel magnetoresistance appears, because the voltage overwhelms spin filtering; the Curie temperature change reverses the layers' alignment, therefore resistance drops, rather than electron excitement, because the material demagnetizes near T_C.
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