Diamond nitrogen-vacancy centers created by scanning focused helium ion beam and annealing.

Authors :: Huang, Z.
Li, W.-D.
Santori, C.
Acosta, V. M.
Faraon, A.
Ishikawa, T.
Wu, W.
Winston, D.
Williams, R. S.
Beausoleil, R. G.
Source :: Applied Physics Letters. 8/19/2013, Vol. 103 Issue 8, p081906. 4p. 3 Graphs.
Publication Year :: 2013
Abstract: We demonstrate a method to create nitrogen-vacancy (NV) centers in diamond using focused helium ion microscopy. Near-surface NV centers can be created with spatial resolution below 0.6 μm. We studied the density, creation efficiency, and spectral linewidths at optical and microwave frequencies for NV centers produced using various helium ion implantation doses. The optical linewidths are narrower than those of similar nitrogen-vacancy centers produced using nitrogen ion implantation. [ABSTRACT FROM AUTHOR]

Subjects :: *ION beams
*HELIUM ions
*NITROGEN
*ANNEALING of metals
*ION implantation

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