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Dynamics of Natural Spin Defects in Boron Nitride Nanotubes

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Abstract:

In this study, we investigated a possible delocalization of natural spin defect in boron nitride nanotubes (BNNTs). To this end, an electron paramagnetic resonance (EPR) spectroscopy was employed for the BNNTs prepared by balling milling and annealing method. As a result, the EPR lineshape revealed that the spin species were not only originated from a boron site neighboring nitrogen vacancy, but also fairly mobile along the long axis of the BNNTs. Such delocalized characteristics were also supported by the temperature dependence of the full widths at half maximum, ΔHfwhm and EPR susceptibilities.

Keywords: BNNT; DELOCALIZED SPIN DEFECTS; MAGNETISM

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2008.1008

Publication date: 2008-10-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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