منابع مشابه
Photoluminescence changes of C70 nano/submicro-crystals induced by high pressure and high temperature
Hollow C70 nano/submicro-crystals with a fcc lattice structure were treated under various high pressure and high temperature conditions. The energy band structure was visibly changed by the high pressure and high temperature treatment, and the luminescence of the treated C70 nano/submicro-crystals were tuned from the visible to the near infrared range. In-situ high pressure experiments at room ...
متن کاملPhenomenologial dynamics of C70.
We construct the most general effective Hamiltonian for the C70 solid and study the long-wavelength dynamics of the system near the high-temperature orientational ordering phase transition. We derive neutron scattering cross sections, NMR line shifts, and T1 from our theory and suggest some experiments to further constrain our Hamiltonian.
متن کاملMean-field theory for C70.
Orientational ordering transitions in C70 are studied by constructing a Landau free energy in terms of order parameters describing long-range orientational order. This theory predicts that the transition from the orientationally disordered state into a partially ordered state, where the long axes of the molecules are parallel to one another, is discontinuous with an elastic distortion. Order pa...
متن کاملPreparation, crystallographic characterization and theoretical study of C70(CF3)16 and C70(CF3)18.
C70(CF3)16 and C70(CF3)18, the first trifluoromethylated fullerene derivatives to comprise a pair of adjacent CF3 groups, have been isolated from a mixture obtained via reaction of C70 with CF3I, characterized in a single crystal XRD study and theoretically investigated at the DFT level of theory.
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ژورنال
عنوان ژورنال: Solid State Communications
سال: 1997
ISSN: 0038-1098
DOI: 10.1016/s0038-1098(97)00317-7