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Defect perturbation of the rotational states of NH4 in octahedral environments
The (NH4)0.02 Rbx K0.98-x I system offers advantages for the systematic study of tunnelling species and how they interact. Currently there are two models to explain the dynamics... -
Discrete breathers in the high-temperature vibrational spectra of alkali halides
Inelastic neutron measurements on some selected polycrystalline alkali halides (namely LiBr, LiI, NaBr, NaI), where the mass difference between anions and cations is large, are... -
Muon states and diffusion in alkali halides
The diamagnetic states formed by muon implantation in alkali halides are to be characterised, and their diffusion studied, by means of RF final-state analysis. The 90° pulse...
