Isolating and moving single atoms using silicon nanocrystals

Carroll, Malcolm S

Isolating and moving single atoms using silicon nanocrystals

Patent · Tue Sep 07 04:00:00 EDT 2010

OSTI ID:1014668

Carroll, Malcolm S ^[1]

Albuquerque, NM

A method is disclosed for isolating single atoms of an atomic species of interest by locating the atoms within silicon nanocrystals. This can be done by implanting, on the average, a single atom of the atomic species of interest into each nanocrystal, and then measuring an electrical charge distribution on the nanocrystals with scanning capacitance microscopy (SCM) or electrostatic force microscopy (EFM) to identify and select those nanocrystals having exactly one atom of the atomic species of interest therein. The nanocrystals with the single atom of the atomic species of interest therein can be sorted and moved using an atomic force microscope (AFM) tip. The method is useful for forming nanoscale electronic and optical devices including quantum computers and single-photon light sources.

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Research Organization:: Sandia Corporation (Albuquerque, NM)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC04-94AL85000

Assignee:: Sandia Corporation (Albuquerque, NM)

Patent Number(s):: 7,790,051

Application Number:: US Patent Application 11/931,155

OSTI ID:: 1014668

Country of Publication:: United States

Language:: English

References (18)

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