期刊
PHYSICAL REVIEW LETTERS
卷 113, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.113.197601
关键词
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资金
- Defense Advanced Research Projects Agency (QuASAR program)
- National Science Foundation
- Center for Ultracold Atoms
- Army Research Office (MURI)
- Gordon and Betty Moore Foundation
- AFOSR NDSEG Fellowship [32 CFR 168a]
- NSERC PGS D
- Division Of Physics
- Direct For Mathematical & Physical Scien [1125846] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [0969816] Funding Source: National Science Foundation
We demonstrate a method of magnetic resonance imaging with single nuclear-spin sensitivity under ambient conditions. Our method employs isolated electronic-spin quantum bits (qubits) as magnetic resonance reporters on the surface of high purity diamond. These spin qubits are localized with nanometer-scale uncertainty, and their quantum state is coherently manipulated and measured optically via a proximal nitrogen-vacancy color center located a few nanometers below the diamond surface. This system is then used for sensing, coherent coupling, and imaging of individual proton spins on the diamond surface with angstrom resolution. Our approach may enable direct structural imaging of complex molecules that cannot be accessed from bulk studies. It realizes a new platform for probing novel materials, monitoring chemical reactions, and manipulation of complex systems on surfaces at a quantum level.
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