Douglas L Abernathy Distinguished Scientist and Group Leader, Direct Geometry Spectroscopy Contact ABERNATHYDL@ORNL.GOV All Publications Phonon anharmonicity in silicon from 100 to 1500 K Anharmonicity and Atomic Distribution of SnTe and PbTe Thermoelectrics... Evidence for a common physical origin of the Landau and BEC theories of super uidity Metallization of vanadium dioxide driven by large phonon entropy Direct measurement of the spin gap in a quasi-one dimensional clinopyroxene: NaTiSi2O6... Modified magnetism within the coherence volume of superconducting FeSeTe Multiple high-temperature transitions driven by dynamical structures in NaI The effect of pnictogen height on spin waves in iron pnictides... Using Monte Carlo ray tracing simulations to model the quantum harmonic oscillator modes observed in uranium nitride A comparison of four direct geometry time-of-flight spectrometers at the Spallation Neutron Source Neutron Scattering Measurements of Anisotropic Magnetic Exchange Interactions in Semiconducting K0.85Fe1.54Se2 (TN=280K) Phonon Density of States and Anharmonicity of UO2... Direct observation of dynamic charge stripes in La2–xSrxNiO4 Anharmonic lattice dynamics of Ag2O studied by inelastic neutron scattering and first-principles molecular dynamics simulatio... Phonon Spectrum of SrFe2As2 determined by multizone phonon refinement... Molecular quantum magnetism in LiZn2Mo3O8... Neutron Scattering Investigation of Phonon Scattering Rates in Ag1-xSb1+xTe2+x (x = 0, 0.1, and 0.2)... Inelastic neutron scattering study of a nonmagnetic collapsed tetragonal phase of CaFe2As2: Evidence of the impact of spin f... Stripe Antiferromagnetic Spin Fluctuations in SrCo2As2... A radial collimator for a time-of-flight neutron spectrometer... Doping dependence of the spin excitations in the Fe-based superconductors Fe1+yTe1-xSex... Glass-like phonon scattering from a spontaneous nanostructure in AgSbTe2... Effects of temperature and pressure on phonons in FeSi1−xAlx... Phonon densities of states of face-centered-cubic Ni-Fe alloys... Electronic structure and vibrational entropies of fcc Au-Fe alloys Pagination First page « First Previous page ‹‹ … Page 5 Current page 6 Page 7 … 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
