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Dynamics within the Plastic Crystal Phases of Hydrogen Chloride
Hydrogen chloride exhibits a complex phase diagram account made of its simple molecular structure. Three crystalline phases are known to exist at ambient pressure below its... -
Stochastic vs. Intermolecular Motions in Strongly Associated Liquids: The Cas...
Neutron scattering is a powerful technique to study stochastic motions in liquids but it requires an energy resolution well below the meV range. As a consequence, quasielastic... -
Origin of quasielastic scattering in HoCrO3
We investigated nuclear spin excitations in the multiferroic HoCrO3 on the BASIS spectrometer of SNS, Oak Ridge. We found low energy excitations arising from hyperfine... -
Dynamics of an antimicrobial oligopeptide
Abstract. In experiments at LLB and ILL we have measured low-resolution INS spectra and elastic scans for H2O- and D2O-hydrated samples of a 15-residue oligopeptide between 30... -
Quasielastic scattering in stuffed spin ices: defects or low lying singlets?
The subjects of this proposal, Ho2+xTi2-xO7-x/2, are brand new materials1 related to Ho2Ti2O7, a spin ice2,3. They have the remarkable property of remaining disordered at very... -
Contributions of ¿NH3+ torsions to phase transitions of glycine
It is proposed to investigate the torsional dynamics of the ¿NH3+ group of glycine-d2 in its three polymorphic forms using quasielastic neutron scattering (QENS). This study is...