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Super-Paramagnetic Particles Chemically Bound to Luminescent Diamond - Single Nanocrystals Probed with Optically Detected Magnetic Resonance

MetadataDetails
Publication Date2015-08-06
JournalThe Journal of Physical Chemistry C
AuthorsTaras Plakhotnik, Haroon Aman, Shaohua Zhang, Zhen Li
InstitutionsThe University of Queensland, University of Wollongong
Citations8

We have synthesized novel composite particles made of single-domain nanomagnets chemically bound to nanocrystals of diamond. Optically detected magnetic resonance spectra of nitrogen-vacancy centers in diamond allowed us to estimate the magnetic field of the nanomagnets and to observe the saturation of their magnetization when an external field of a few tens of mT has been applied. The saturation effect is in agreement with the size of the domains measured using transmission electron microscopy and a simple model of magnetization.

  1. 2009 - Introduction to Magnetic Materials