Neutron reflectivity studies of the free liquid surface of methylcyclohexane–perfluoromethylcyclohexane near the critical endpoint
文献信息
The surface structure of the liquid mixture methylcyclohexane (MCH)–perfluoromethylcyclohexane (PFMCH) has been investigated by specular neutron reflectometry from 42 K below to 10 K above the upper critical solution temperature TUCS=46.13°C. The results have been interpreted in the light of the Abele′s layer model which indicates that the reflectivity throughout the experimental temperature range is satisfactorily represented by a model with two relatively thin layers interposed between the vapour phase and a well-characterised subphase. The twin-layer region is everywhere richer in PFMCH, the component of lower surface tension, than the immediate subphase and is thus regarded as an adsorbed layer. For TUCS
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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.














