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Temperature- and Magnetic-Field-Dependent Longitudinal Spin Relaxation in Nitrogen-Vacancy Ensembles in Diamond
Open accessAbstract
We present an experimental study of the longitudinal electron-spin relaxation time (T1) of negatively charged nitrogen-vacancy (NV) ensembles in diamond. T1 was studied as a function of temperature from 5 to 475 K and magnetic field from 0 to 630 G for several samples with various NV and nitrogen concentrations. Our studies reveal three processes responsible for T1 relaxation. Above room temperature, a two-phonon Raman process dominates; below room temperature, we observe an Orbach-type process with an activation energy of 73(4) meV, which closely matches the local vibrational modes of the NV center. At yet lower temperatures, sample dependent cross-relaxation processes dominate, resulting in temperature independent values of T1 from milliseconds to minutes. The value of T1 in this limit depends sensitively on the magnetic field and can be tuned by more than 1 order of magnitude.
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Ladd, T. D., Jelezko, F., Laflamme, R., Nakamura, Y., Monroe, C., & O’Brien, J. L. (2010) · Nature · doi:10.1038/nature08812 · Cited by 3,592
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Bassett, L. C., Alkauskas, A., Exarhos, A. L., & Fu, K. C. (2018) · Nanophotonics · doi:10.1515/nanoph-2019-0211 · Cited by 112
Magnetometry with nitrogen-vacancy centers in diamond
Jensen, K., Kehayias, P., & Budker, D. (2017) · Smart Sensors, Measurement and Instrumentation · doi:10.1007/978-3-319-34070-8_18 · Cited by 38
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Metadata
- Authors
- Jarmola, A., Acosta, V. M., Jensen, K., Chemerisov, S., & Budker, D.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2012-05-11
- Volume
- 108
- Issue
- 19
- Pages
- 197601-197601
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2156438123
- Cited by
- 417
- References
- 1
- FWCI
- 9.27
- Type
- journal article
- Language
- en
- Open access
- green
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- Jarmola, A., Acosta, V. M., Jensen, K., Chemerisov, S., & Budker, D. (2012). Temperature- and Magnetic-Field-Dependent Longitudinal Spin Relaxation in Nitrogen-Vacancy Ensembles in Diamond. Physical Review Letters. https://doi.org/10.1103/physrevlett.108.197601
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