Magnetic behavior in zinc oxide zigzag nanoribbons.
basic_science · Level V
Where this comes from
- Record sourced from PubMed, PMID 18177062.
- Also identified by DOI 10.1021/nl072511q.
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Abstract
We use first principles calculations to investigate the magnetic properties of zinc oxide nanoribbons with zigzag-terminated edges. The polarized spin density of states is calculated as a function of the nanoribbons width and thickness. All nanoribbons formed by a single layer exhibit a magnetic behavior independently of the width. By analyzing the charge density and spin density, we determine that the oxygen-dominated edge exhibits unpaired spins. When the thickness of the ribbons is increased, a magnetic moment is observed only for specific thicknesses.
Medical subject headings
- Magnetics
- Models, Chemical
- Nanostructures
- Nanotechnology
- Zinc Oxide