Recovering of density scaling and isochronal superposition by globular dynamics of dipropylene glycol
In the proposed experiment we wish to study the temperature and pressure dependence of the centre of mass motion on partly deuterated dipropylene glycol (DPG), i.e. the dynamics which is not from methyl-group rotation. In particular, we want to study whether the observed breakdown for the hydrogen-bonding liquid DPG close to the glass transition of density scaling and isochronal superposition in the light of isomorph theory is due to hydrogen-bonding or methyl-group rotation. This will be investigated using partly deuterated dipropylene glycol to mask methyl-group rotation.
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HANSEN Henriette Wase; APPEL Markus; JAKOBSEN Bo; Kristine Niss and NOIRAT David. (2019). Recovering of density scaling and isochronal superposition by globular dynamics of dipropylene glycol. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.6-05-998
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