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Half metallicty in finite-length zigzag single walled carbon nanotube: A firs…
We predict here from first-principle calculations that finite-length n,0 single walled carbon nanotubes SWCNTs with H-termination at the open ends displaying antiferromagnetic coupling when n is greater than 6. An opposite local gating effect of the spin states, i.e., half metallicity, is found under the influence of an external electric field along the direction of tube axis. Remarkably…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Appl. Phys. Lett. 93, 073101 (2008)
- Judul Seri
- APPLIED PHYSICS LETTERS
- No. Panggil
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ZnS nanowires and their coaxial lateral nanowire heterostructures with BN
ZnS nanowires and their coaxial lateral BN nanowire heterostructures with a length of hundreds of micrometers and an average diameter of 300 nm were fabricated via one-step chemical vapor deposition method. Wurtzite ZnS nanowires were coated by a shell of fluffylike hexagonal BN sheets distributed randomly. Thermogravimetric analysis indicates that the heterostructures have a much better o…
- Edisi
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- ISBN/ISSN
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- Deskripsi Fisik
- Appl. Phys. Lett. 90, 103117 (2007)
- Judul Seri
- APPLIED PHYSICS LETTERS
- No. Panggil
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