Magnetic behavior in zinc oxide zigzag nanoribbons

Andrés R. Botello-Méndez; Florentino López-Urías; Mauricio Terrones; Humberto Terrones

doi:10.1021/nl072511q

Magnetic behavior in zinc oxide zigzag nanoribbons

Andrés R. Botello-Méndez, Florentino López-Urías, Mauricio Terrones^*, Humberto Terrones

^*Corresponding author for this work

Research output: Contribution to journal › Letter › Academic › peer-review

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.

Original language	English
Pages (from-to)	1562-1565
Number of pages	4
Journal	Nano Letters
Volume	8
Issue number	6
DOIs	https://doi.org/10.1021/nl072511q
Publication status	Published - Jun 2008
Externally published	Yes

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T1 - Magnetic behavior in zinc oxide zigzag nanoribbons

AU - Botello-Méndez, Andrés R.

AU - López-Urías, Florentino

AU - Terrones, Mauricio

AU - Terrones, Humberto

PY - 2008/6

Y1 - 2008/6

N2 - 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.

AB - 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.

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M3 - Letter

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JO - Nano Letters

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ER -

Magnetic behavior in zinc oxide zigzag nanoribbons

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