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Título: | Molecular Deuterion crystallitation under cuasi-1D confienment |
Autor: | Cabrillo García, Carlos CSIC ORCID; Fernández-Perea, Ricardo CSIC ORCID; Mondelli, C.; González, M. A.; Chico, Leonor CSIC ORCID | Fecha de publicación: | 30-ago-2015 | Citación: | VI European Conference on Neutron Scattering (2015) | Resumen: | A particularly interesting aspect of Carbon Nanotubes is their use as nearly one-dimensional nano-containers. Apart of their possibilities for controlled chemistry in nano- fluidics devices new phenomena induced by confinement are also expected, such as liquid like ordered structures or exotic crystalline phases. Here, we present a series of neutron diffraction measurements (instrument D20, ILL, Grenoble) of molecular deuterium confined within Multiple Wall Carbon Nanotubes (MWCTNs). Bulk liquid D2 at its vapour pressure crystallises in an hcp structure at ~18.7 K. At low uptakes we have found a clear depression of the solidification temperature down to ~13.25 K. Interestingly, at the lowest uptake the diffraction pattern is consistent with the minimal fcc lattice compatible with a cylindrical symmetry. | Descripción: | ECNS 2015, Zaragoza (Spain), August 30th-September 4th 2015 | URI: | http://hdl.handle.net/10261/137146 |
Aparece en las colecciones: | (ICMM) Comunicaciones congresos (CFMAC-IEM) Comunicaciones congresos |
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