journal article·2018-02-01Open access

Formation of the nitrogen aggregates in annealed diamond by neutron irradiation

Y. Mita, Y. Nisida, M. Okada

AIP Advances· Volume 8· Issue 2

Abstract

Neutron heavy irradiation was performed on synthetic diamonds contain nitrogen atoms in isolated substitutional form (called “type Ib diamond”) and they were annealed under a pressure of 6 GPa. A large number of nitrogen B-aggregate which consists of four substitutional nitrogen atoms symmetrically surrounding a vacancy was formed within 30 m from single nitrogen atoms. Furthermore it is observed that, in these diamonds, single nitrogen atoms coexist with the B-aggregates, which is unexplainable by the simple nitrogen aggregation model.
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Research context

OpenAlex topics: Diamond and Carbon-based Materials Research · High-pressure geophysics and materials · Ion-surface interactions and analysis

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Affiliations

KYOKUGEN, Center for Science and Technology under Extreme Conditions, Graduate School of Engineering Science, Osaka University 1 , Toyonaka, Osaka 560-8531, Japan

Division of Materials Physics, Graduate School of Engineering Science, Osaka University 2 , Toyonaka, Osaka 560-8531, Japan

Research Reactor Institute, Kyoto University 3 , Kumatori, Sennan, Osaka 590-0494, Japan

References (18)

Show source-provided references
1. Phys. Rev. B · 1994 · 49 · 793410.1103/physrevb.49.7934 ↗
2. Philos. Mag. B · 1995 · 72 · 35110.1080/13642819508239089 ↗
3. Nature · 1977 · 270 · 14110.1038/270141a0 ↗
4. Field · 1992
5. J. Phys. C · 1980 · 13 · 264110.1088/0022-3719/13/14/006 ↗
6. Carbon · 2017 · 123 · 33410.1016/j.carbon.2017.07.076 ↗
7. J. Appl. Spectroscopy · 2015 · 81 · 96910.1007/s10812-015-0037-8 ↗
8. J. Appl. Spectroscopy · 2013 · 80 · 70710.1007/s10812-013-9830-4 ↗
9. Phil. Mag. B · 1994 · 69 · 114110.1080/01418639408240184 ↗
10. Appl. Phys. Lett. · 1998 · 73 · 135810.1063/1.122162 ↗
11. Philos. Mag. Lett. · 1997 · 76 · 9310.1080/095008397179264 ↗
12. Diamond Res. · 1978 · 23
13. J. Phys. C · 1982 · 15 · L98110.1088/0022-3719/15/27/007 ↗
14. J. Appl. Phys. · 1993 · 73 · 396710.1063/1.352861 ↗
15. J. Phys.: Condens. Matter · 1998 · 10 · 617110.1088/0953-8984/10/27/016 ↗
16. J. Phys.: Condens. Matter · 1990 · 2 · 856710.1088/0953-8984/2/43/002 ↗
17. J. Phys.: Condens. Matter · 1992 · 4 · 343910.1088/0953-8984/4/13/008 ↗
18. Diamond Res. · 1977 · 15