Autor(en): | Böhmer, Roland Winterlich, M. Zimmermann, H. |
Titel: | Phase transition kinetics and reorientational dynamics of the plastic crystal meta-carborane studied by deuteron NMR |
Sprache (ISO): | en |
Zusammenfassung: | Meta-carborane shows an orientationally disordered, orthorhombic phase which transforms into an ordered monoclinic phase near 170 K and into a quasi-isotropic cubic phase near 280 K. From deuteron magnetization measurements both transitions are found to exhibit a thermal hysteresis and slow transformation kinetics. Furthermore, solid-echo NMR spectra and spin-lattice relaxation times are reported. These results indicate that in the orthorhombic phase the meta-carborane molecules perform a strongly anisotropic motion which is characterized by a temperature dependent amplitude. |
URI: | http://hdl.handle.net/2003/25565 http://dx.doi.org/10.17877/DE290R-2676 |
Erscheinungsdatum: | 2002-09 |
Provinienz: | Elsevier Science |
URL: | http://dx.doi.org/10.1016/S0022-3093(02)01506-5 |
Zitierform: | Winterlich, M.; Böhmer, R.; Zimmermann, H.. Phase transition kinetics and reorientational dynamics of the plastic crystal meta-carborane studied by deuteron NMR. In: Journal of Non-Crystalline Solids Jg. 307-310(2002), S. 442-448, doi: 10.1016/S0022-3093(02)01506-5. |
Enthalten in den Sammlungen: | Böhmer, Roland Prof. Dr. |
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