Location of paramagnetic defects in detonation nanodiamond from proton spin-lattice relaxation data

A. M. Panich, N. A. Sergeev, S. D. Goren

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We developed an approach for determining location of intrinsic paramagnetic defects in nanodiamonds from the data of proton spin-lattice relaxation of the surface hydrogen atoms. The approach was applied to the detonation nanodiamond (DND) of the diameter of 5 nm. We found that dangling bonds with unpaired electron spins are located within the near-surface belt at the distance of 0.3–0.9 nm from the DND surface. The NMR data are compared with the results of EPR measurements.

Original languageEnglish
Article number101624
JournalSolid State Nuclear Magnetic Resonance
Volume105
DOIs
StatePublished - 1 Feb 2020

Keywords

  • Hydrogen
  • Location
  • NMR relaxation
  • Nanodiamond
  • Paramagnetic defects

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