Douglas L Abernathy Distinguished Scientist and Group Leader, Direct Geometry Spectroscopy Contact ABERNATHYDL@ORNL.GOV All Publications Temporally decoherent and spatially coherent vibrations in metal halide perovskites Magnetic order and fluctuations in the quasi-two-dimensional planar magnet Sr( Co1−xNix)2As2 Temperature-dependent lattice dynamics in iridium Nonlinear propagating modes beyond the phonons in fluorite-structured crystals Temperature-dependent phonon lifetimes and thermal conductivity of silicon by inelastic neutron scattering and ab initio calculations Vacancy-Driven Variations in the Phonon Density of States of Fast Neutron Irradiated Nuclear Graphite... Controlling phonon lifetimes via sublattice disordering in AgBiSe2... Thermal Neutron Scattering Evaluation of Yttrium Hydride - FY2020 Progress Anharmonic Origin of the Giant Thermal Expansion of NaBr... Lattice Dynamics of Sb 2 Se 3 from Inelastic Neutron and X‐Ray Scattering Magnetically driven phonon instability enables the metal–insulator transition in h-FeS Experimental determination of the temperature-dependent Van Hove function in a Zr 80 Pt 20 liquid... Anharmonic lattice dynamics and superionic transition in AgCrSe2 Lattice dynamics of the hybrid improper ferroelectrics (Ca,Sr)3Ti2O7... Super-resolution energy spectra from neutron direct-geometry spectrometers Frustrated magnetic interactions in an S=3/2 bilayer honeycomb lattice compound Bi3Mn4O12(NO3) Recent developments of MCViNE and its applications at SNS Vibrational properties of uranium fluorides Toward a better thermal scattering law of (C5O2H8)n: Inelastic neutron scattering and oClimax + NJOY2016 Impact of anharmonicity on the vibrational entropy and specific heat of UO2 Long-Range Antiferromagnetic Order in a Rocksalt High Entropy Oxide Coexistence of Ferromagnetic and Stripe Antiferromagnetic Spin Fluctuations in SrCo2As2 Energy dependence of the flux and elastic resolution for the ARCS neutron spectrometer... Response to comment on “Giant electromechanical coupling of relaxor ferroelectrics controlled by polar nanoregion vibrations” Dynamic Magnetic Response Across the Pressure-induced Structural Phase Transition In Ceni Pagination First page « First Previous page ‹‹ … Page 2 Current page 3 Page 4 … Next page ›› Last page Last » Key Links Curriculum Vitae ORCID ARCS Instrument Page Organizations Neutron Sciences Directorate Neutron Scattering Division Spectroscopy Section Direct Geometry Group