Formation of perfectly aligned nitrogen-vacancy-center ensembles in chemical-vapor-deposition-grown diamond (111)
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2017-03-16 |
| Journal | Applied Physics Express |
| Authors | Hayato Ozawa, Kosuke Tahara, Hitoshi Ishiwata, Mutsuko Hatano, Takayuki Iwasaki |
| Institutions | Tokyo Institute of Technology |
| Citations | 65 |
Abstract
Section titled āAbstractāSelectively 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 1016 cmā3 and a spin relaxation time of 2 Āµs. 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.