Saha, Surajit and Gadagkar, Vikram and Maiti, Prabal K. and Muthu, D. V. S. and Golberg, Dmitri and Tang, C and Zhi, C and Bando, Yoshio and Sood, A. K. (2007) Irreversible pressure-induced transformation of boron nitride nanotubes. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 7 (6). pp. 1810-1814. ISSN 1533-4880
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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 13GPa. 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.
|Subjects:||Physical Science > Nanophysics|
Material Science > Functional and hybrid materials
Material Science > Nanofabrication processes and tools
Physical Science > Nano objects
Material Science > Nanochemistry
Material Science > Nanostructured materials
|Divisions:||Faculty of Engineering, Science and Mathematics > School of Physics|
Faculty of Engineering, Science and Mathematics > School of Chemistry
|Deposited On:||27 Jan 2009 04:06|
|Last Modified:||03 Mar 2009 13:12|
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