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EnglishA triple-axis neutron spectrometer was used to investigate the scattering function of a 15 M NaOD solution in D2O. The solute acts as an amorphising agent, so that both the liquid and amorphous phases could be studied by changing the temperature from 300 K to 77 K. The experiment was directed to the study of the collective excitations. A dispersion relation could be established in both phases in the momentum range 0.4≤Q≤2.4Å−1 that was investigated in the experiment, though at the higherQ values the excitation energy width was found to be comparable to the energy.
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| Titolo: | Collective excitations in the liquid and amorphous state of D2O with soluted NaOD |
| Autori: | |
| Data di pubblicazione: | 1980 |
| Rivista: | |
| Abstract: | A triple-axis neutron spectrometer was used to investigate the scattering function of a 15 M NaOD solution in D2O. The solute acts as an amorphising agent, so that both the liquid and amorphous phases could be studied by changing the temperature from 300 K to 77 K. The experiment was directed to the study of the collective excitations. A dispersion relation could be established in both phases in the momentum range 0.4≤Q≤2.4Å−1 that was investigated in the experiment, though at the higherQ values the excitation energy width was found to be comparable to the energy. |
| Handle: | http://hdl.handle.net/11391/922170 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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