On the nature of structural fluctuations in complex liquids (CROSBI ID 424026)
Ocjenski rad | doktorska disertacija
Podaci o odgovornosti
Požar, Martina
Zoranić, Larisa i Perera, Aurélien
engleski
On the nature of structural fluctuations in complex liquids
The analysis of different types of structuring, present in simple and complex liquids and their mixtures, was done using the method of molecular dynamics. Complex mixtures have at least one associative component, such as water, alcohols (mono-ols and diols) and amines. The supra-molecular structuring in these mixtures is detected, described, quantified and connected with the atom-atom interactions is the molecules. These systems have interesting fluctuation behaviors, as shown through Kirkwood-Buff integrals. Their correlation functions behave in a complex way, depending on the component, concentration and temperature. The pre-peak at small k values in the site-site structure factor is defined as a signature of molecular domains in these mixtures. A special focus is placed on long-range structuring, which is a novelty considering the majority of the work in the field of the physics of liquids. This thesis contributes to a better understanding of micro-heterogeneous structures in molecular liquids, and gives new links to structural heterogeneities in soft and bio-matter.
liquids ; binary-mixtures ; molecular-dynamics ; structural-properties ; microheterogeneity ; water ; alcohols ; amines ; non-polar-solvents
Disertacija je proizišla iz doktorata pod dvojnim mentorstvom (cotutelle) Sveučilišta u Splitu i Sveučilišta Sorbonne u Parizu.
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178
16.11.2018.
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Podaci o ustanovi koja je dodijelila akademski stupanj
Prirodoslovno-matematički fakultet u Splitu
Split i Pariz