Metal encapsulated nanotubes of germanium with metal dependent electronic properties

A. Kumar Singh, V. Kumar, Y. Kawazoe

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

Using ab initio total energy calculations we demonstrate that the nanotubes of germanium with atomic structure based on an alternate prism and antiprism stacking of hexagonal rings, can be stabilized by metal encapsulation. The V or Nb doped infinite nanotube is metallic. However, Mo doping leads to the formation of a metal encapsulated direct band gap semiconducting nanotube of germanium. These nanotubes with metal dependent electronic properties could prove to be vital for the development of future nanotechnologies.

Original languageEnglish
Pages (from-to)295-298
Number of pages4
JournalEuropean Physical Journal D
Volume34
Issue number1-3
DOIs
Publication statusPublished - 2005 Jul 1

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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