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cond-mat.supr-con2010★ 22 cited
Magnetic Lattice Dynamics of the Oxygen-Free FeAs Pnictides: How Sensitive are Phonons to Magnetic Ordering?
Mohamed Zbiri, Ranjan Mittal, Stephane Rols +10
To shed light on the role of magnetism on the superconducting mechanism of the oxygen-free FeAs pnictides, we investigate the effect of magnetic ordering on phonon dynamics in the…
cond-mat.supr-con2008
Phonon dynamics in Sr0.6K0.4Fe2As2 and Ca0.6Na0.4Fe2As2
R. Mittal, Y. Su, S. Rols +6
We report inelastic neutron scattering measurements of the phonon density-of-states in superconducting Sr0.6K0.4Fe2As2 (Tc=30 K) and Ca0.6Na0.4Fe2As2 (Tc=18 K). Compared with the p…
cond-mat.supr-con2008
Inelastic neutron scattering and lattice dynamical calculations in BaFe2As2
R. Mittal, Y. Su, S. Rols +6
We report here first extensive measurements of the temperature dependence of phonon density of states of BaFe2As2, the parent compound of the newly discovered FeAs-based supercondu…