Phonon spectra in CaFe2 As2 and Ca0. 6 Na0. 4 Fe2 As2: Measurement of the pressure and temperature dependence and comparison with ab initio and shell model calculations

Mittal, R.Rols, S.Zbiri, M.Su, Y.Schober, H.Chaplot, S. L.Johnson, M.Tegel, M.Chatterji, T.Matsuishi, S.2010-08-032010-08-032009http://hdl.handle.net/123456789/33434739 bytestext/htmlenPhonon spectrumshell model calculationsinelastic neutron scatteringstructural and antiferromagnetic phase transitionPhonon spectra in CaFe2 As2 and Ca0. 6 Na0. 4 Fe2 As2: Measurement of the pressure and temperature dependence and comparison with ab initio and shell model calculationsArticle