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← ScienceWhich consequence results when a nitrogen vacancy center's electron spin flips?
A)Fluorescence emission wavelength is modified✓
B)Phonon mode frequencies are stabilized
C)Debye temperature of the lattice attenuates
D)Thermal conductivity becomes size-independent
💡 Explanation
Altered spin states cause fluorescence changes because spin influences energy level transitions via the radiative decay mechanism. Therefore, emission is affected, rather than phonon modes, because those reflect the lattice vibrations.
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