Magnetic boron nitride nanoribbons with tunable electronic properties

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We present theoretical evidence, based on total-energy first-principles 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 μ 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.

Original languageEnglish
Pages (from-to)2210-2214
Number of pages5
JournalNano Letters
Issue number8
StatePublished - Aug 2008


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