TY - JOUR
T1 - Probing the phonon density of states in the superconducting Si clathrates from inelastic neutron scattering experiments
AU - Viennois, R.
AU - Toulemonde, P.
AU - Koza, M.
AU - Mutka, H.
AU - San Miguel, A.
AU - Lortz, R.
PY - 2007/12/1
Y1 - 2007/12/1
N2 - Information on the phonon density of states of the nanocage-based superconducting clathrates Ba8Si46 and Ba 24Si100 is reported from inelastic neutron scattering experiments. We have observed respectively two Einstein modes corresponding to the two kinds of cages in Ba8Si46 and at least four peaks presumably due to Einstein modes for Ba24Si100. The mode frequencies correspond with results from ab initio lattice dynamics calculations by Tse et al.
AB - Information on the phonon density of states of the nanocage-based superconducting clathrates Ba8Si46 and Ba 24Si100 is reported from inelastic neutron scattering experiments. We have observed respectively two Einstein modes corresponding to the two kinds of cages in Ba8Si46 and at least four peaks presumably due to Einstein modes for Ba24Si100. The mode frequencies correspond with results from ab initio lattice dynamics calculations by Tse et al.
UR - https://www.webofscience.com/wos/woscc/full-record/WOS:000265677100121
UR - https://openalex.org/W1965167405
UR - https://www.scopus.com/pages/publications/58149501303
U2 - 10.1088/1742-6596/92/1/012121
DO - 10.1088/1742-6596/92/1/012121
M3 - Journal Article
SN - 1742-6588
VL - 92
JO - Journal of Physics: Conference Series
JF - Journal of Physics: Conference Series
IS - 1
M1 - 012121
ER -