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American Scientific Publishers, Journal of Nanoscience and Nanotechnology, 6(7), p. 1810-1814

DOI: 10.1166/jnn.2007.721

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Irreversible pressure-induced transformation of boron nitride nanotubes

Journal article published in 2007 by Surajit Saha, Vikram Gadagkar, Pk Maiti ORCID, Dvs V. S. Muthu, Dmitri Golberg, C. Tang, C. Zhi ORCID, Yoshio Bando ORCID, Ak K. Sood
Distributing this paper is prohibited by the publisher
Distributing this paper is prohibited by the publisher

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Abstract

We have used Raman spectroscopy to study the behavior of multi-walled boron nitride nanotubes and hexagonal boron nitride crystals under high pressure. While boron nitride nanotubes show an irreversible transformation at about 12 GPa, hexagonal boron nitride exhibits a reversible phase transition at 13 GPa. We also present molecular dynamics simulations which suggest that the irreversibility of the pressure-induced transformation in boron nitride nanotubes is due to the polar nature of the bonds between boron and nitrogen.