Journal
COMPUTATIONAL MATERIALS SCIENCE
Volume 17, Issue 2-4, Pages 107-114Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0927-0256(00)00006-9
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We review the stability and electronic properties of composite BxCyNz nanotubes, including BN-, BC2N- and B-doped carbon nanotubes. We show in particular that BC2N systems are driven towards the segregation of pure C and BN sections. The same process of segregation into BC3 islands is evidenced in the case of B-doped carbon nanotubes. These spontaneous segregation processes lead to the formation of quantum dots or nanotube heterojunctions with potential important technological applications. (C) 2000 Elsevier Science B.V. All rights reserved.
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