期刊
PHYSICAL REVIEW MATERIALS
卷 3, 期 11, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevMaterials.3.113802
关键词
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资金
- Center for Novel Pathways to Quantum Coherence in Materials, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Basic Energy Sciences [DE-AC02-05CH11231]
- MRSEC Program of the NSF [DMR 1720256]
- Swiss National Science Foundation
- NSF GRFP award
- UCSB Fletcher Jones Fellowship
Spin ensembles of nitrogen vacancy (NV) centers in diamond are emerging as powerful spin-based sensors for magnetic, electric and thermal field imaging with high spatial and temporal resolution. Here we characterize the formation of depth-confined NV center ensembles, activated by electron irradiation in diamond layers grown by plasma enhanced chemical vapor deposition with nitrogen co-doping. To do so, we exploit the high magnetic sensitivity of ensembles of NV centers to probe their spin environment as a function of growth and irradiation parameters. We engineer an NV ensemble whose magnetic sensitivity is within a factor of two of the static NV-NV dipolar interaction limit, thus demonstrating a powerful platform for quantum sensing.
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