期刊
APPLIED PHYSICS EXPRESS
卷 10, 期 4, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.7567/APEX.10.045501
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资金
- CREST, JST
- Grants-in-Aid for Scientific Research [14J10949, 25289086] Funding Source: KAKEN
Selectively aligning a nitrogen-vacancy (NV) ensemble in diamond is an important technique for obtaining a high-sensitivity magnetic sensor. Nitrogen-doped diamonds were grown on (111) substrates by microwave plasma chemical vapor deposition to perform the selective alignment of high-density NV ensembles, yielding perfectly aligned NV ensembles along the [111] direction with a density greater than 10(16) cm(-3) and a spin relaxation time of 2 mu s. Such alignment results in a high signal contrast with an optical magnetic resonance close to the typical value reported with an isolated NV center. These results indicate the possibility of achieving a high sensitivity through the selective alignment of NV ensembles. (C) 2017 The Japan Society of Applied Physics
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