Temperature shifts of the resonances of the NV-center in diamond

M. W. Doherty, V. M. Acosta, A. Jarmola, M. S.J. Barson, N. B. Manson, D. Budker, L. C.L. Hollenberg

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Significant attention has been recently focused on the realization of high precision nanothermometry using the spin-resonance temperature shift of the negatively charged nitrogen-vacancy (NV-) center in diamond. However, the precise physical origins of the temperature shift is yet to be understood. Here, the shifts of the center's optical and spin resonances are observed and a model is developed that identifies the origin of each shift to be a combination of thermal expansion and electron-phonon interactions. Our results provide insight into the center's vibronic properties and reveal implications for NV- thermometry.

Original languageEnglish
Article number041201
Number of pages5
JournalPhysical Review B
Issue number4
Publication statusPublished - 28 Jul 2014
Externally publishedYes

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