Phase diagram of a solution undergoing inverse melting

Abstract

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$$\ge$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.

4 pages, 5 figures, accepted on Physical Review E (R)

References in corpus (4)

• Inverse melting and inverse freezing: a spin model
• Spin Model for Inverse Melting and Inverse Glass Transition
• Stable Solution of the Simplest Spin Model for Inverse Freezing
• Inverse Freezing in Mean-Field Models of Fragile Glasses

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• The random Blume-Capel model on cubic lattice: first order inverse freezing in a 3D spin-glass system
• A Scaling Hypothesis for Modulated Systems
• Glass and Jamming Rheology in Soft Particles Made of PNIPAM and Polyacrylic Acid
• Inverse freezing in the Hopfield Fermionic Ising Spin Glass
• Inverse melting in a two-dimensional off-lattice model
• Random, thermodynamic and inverse first order transitions in the Blume-Capel spin-glass
• The overlap parameter across an inverse first order phase transition in a 3D spin-glass
• Inverse transitions and disappearance of the λ-line in the asymmetric random field Ising and Blume-Capel models