期刊
NEW JOURNAL OF PHYSICS
卷 18, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/aa5040
关键词
polycrystalline diamond; nitrogen-vacancy center; strain imaging; nanoscale sensing
资金
- Air Force Office of Scientific Research (AFOSR) MURI [FA9550-14-1-0052]
- AFOSR Presidential Early Career Award
- Army Research office MURI biological transduction program
- Office of Naval Research [N00014-13-1-0316]
We report on wide-field optically detected magnetic resonance imaging of nitrogen-vacancy centers (NVs) in type IIa polycrystalline diamond. These studies reveal a heterogeneous crystalline environment that produces a varied density of NV centers, including preferential orientation within some individual crystal grains, but preserves long spin coherence times. Using the native NVs as nanoscale sensors, we introduce a three-dimensional strain imaging technique with high sensitivity (<10(-5) Hz(-1/2)) and diffraction-limited resolution across a wide field of view.
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