期刊
PHYSICAL REVIEW B
卷 99, 期 9, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.99.094101
关键词
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资金
- Australian Research Council [DP140103862, DE170100169]
- DAAD-GO8 joint research cooperative scheme
- Robert and Helen Crompton award
- Australian Government
- DFG
- EU via ERC
- Australian Research Council [DE170100169] Funding Source: Australian Research Council
The nitrogen-vacancy (NV) center is a well utilized system for quantum technology, in particular quantum sensing and microscopy. Fully employing the NV center's capabilities for metrology requires a strong understanding of the behavior of the NV center with respect to changing temperature. Here, we probe the NV electronic spin density as the surrounding crystal temperature changes from 10 K to 700 K by examining the hyperfine interactions with a nearest-neighbor C-13. These results are corroborated with ab initio calculations and demonstrate that the change in hyperfine interaction is small and dominated by a change in the hybridization of the orbitals constituting the spin density, thus indicating that the defect and local crystal geometry is returning towards an undistorted structure at higher temperature.
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