Role of phonons in negative thermal expansion and high pressure phase transitions in β-eucryptite: An ab-initio lattice dynamics and inelastic neutron scattering study

Singh, B.Gupta, M. K.Mittal, R.Zbiri, M.Rols, S.Patwe, S. J.Achary, S. N.Schober, H.Tyagi, A. K.Chaplot, S. L.2017-09-192017-09-192017Journal of Applied Physics, 2017. Vol. 121 (8): pp. 085106.1-085106.8http://hdl.handle.net/123456789/149814633 bytestext/htmlenRole of phononsnegative thermal expansionhigh pressure phase transitionsab-initio lattice dynamics and inelastic neutron scattering studyRole of phonons in negative thermal expansion and high pressure phase transitions in β-eucryptite: An ab-initio lattice dynamics and inelastic neutron scattering studyArticle