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Increasing the coherence time of single electron spins in diamond by high temperature annealing
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Naydenov, Boris, Reinhard, Friedemann, Laemmle, Anke, Richter, V., Kalish, Rafi, D'Haenens-Johansson, Ulrika F. S., Newton, Mark E., Jelezko, Fedor and Wrachtrup, Joerg. (2010) Increasing the coherence time of single electron spins in diamond by high temperature annealing. Applied Physics Letters, Vol.97 (No.24). Article: 242511. ISSN 0003-6951
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Official URL: http://dx.doi.org/10.1063/1.3527975
Abstract
Negatively charged nitrogen-vacancy (NV-) centers in diamond produced by ion implantation often show properties different from NVs created during the crystal growth. We observe that NVs created from nitrogen ion implantation at 30-300 keV show much shorter electron spin coherence time T-2 as compared to the "natural" NVs and about 20% of them show switching from NV-to NV0. We show that annealing the diamond at T=1200 degrees C substantially increases T2 and at the same time the fraction of NVs converting from NV-to NV0 is greatly reduced. (C) 2010 American Institute of Physics. [doi:10.1063/1.3527975]
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science > Physics |
| Journal or Publication Title: | Applied Physics Letters |
| Publisher: | American Institute of Physics |
| ISSN: | 0003-6951 |
| Date: | 13 December 2010 |
| Volume: | Vol.97 |
| Number: | No.24 |
| Number of Pages: | 3 |
| Page Range: | Article: 242511 |
| Identification Number: | 10.1063/1.3527975 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | German-Israeli Foundation, Landesstiftung Baden-Wurttemberg, VolkswagenStiftung, DFG, JST |
| Grant number: | FOR 1482, SFB/TR21 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/4567 |
Data sourced from Thomson Reuters' Web of Knowledge
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