Journal
NANO LETTERS
Volume 8, Issue 8, Pages 2210-2214Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl080745j
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Funding
- President's Research Investment Fund (PRIF)
- Central Michigan University
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We present theoretical evidence, based on total-energy first-principies calculations, of the existence of spin-polarized states well localized at and extended along the edges of bare zigzag boron nitride nanoribbons. Our calculations predict that all the magnetic configurations studied in this work are thermally accessible at room temperature and present an energy gap. In particular, we show that the high spin state, with a magnetic moment of 1 mu(B) at each edge atom, presents a rich spectrum of electronic behaviors as it can be controlled by applying an external electric field in order to obtain metallic <-> semiconducting <-> half-metallic transitions.
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