Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2008-02-27
Physics
Condensed Matter
Soft Condensed Matter
4 pages, 5 figures, accepted on Physical Review E (R)
Scientific paper
10.1103/PhysRevE.78.020502
The phase diagram of $\alpha$-cyclodextrin/water/4-methylpyridine solutions, a system undergoing inverse melting, has been studied by differential scanning calorimetry, rheological methods, and X-rays diffraction. Two different fluid phases separated by a solid region have been observed in the high $\alpha$-cyclodextrin concentration range ($c$$\geq$150 mg/ml). Decreasing $c$, the temperature interval where the solid phase exists decreases and eventually disappears, and a first order phase transition is observed between the two different fluid phases.
Angelini Roberta
de Panfilis S.
Ruocco Giancarlo
Sette Francesco
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