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Distinguished Research Fellow

BSc University of St. Andrews 
PhD University of Cambridge
ScD University of Cambridge

Microstructural Kinetics

My principal research relates to the physics and chemistry of complex materials, inorganic glasses, glass forming liquids and amorphizng solids (Advances in Physics 56, 1, 2007). Earlier in my career I pioneered discovery of the electronic structure of amorphous semiconductors like arsenic (Advances in Physics 28, 49, 1979). With the advent of dedicated synchrotron radiation sources, I turned to metals and glasses, modelling the structure and dynamics (Nature293, 611 (1981), Nature294, 139 (1981), Nature 356, 504 (1992)), work which led to the Modified Random Network model. This is based on the idea that metal ions form percolation channels within the glass matrix. The MRN is now generally accepted as describing the nanostructure and dynamics of most glasses and melts (Scientific Reports 7, 16490 (2017)). Often my research has been underpinned by instrument development, such as combining X-ray techniques and also neutron scattering, which have been applied to study, for example, polyamorphism and liquid-liquid transitions in materials at high temperatures and pressures (Science 322, 566 (2008)) and also the amorphization of crystalline materials such as zeolites (Nature Materials 2, 622 (2003), Science 308, 1299 (2005)). In the latter case, this has led to the discovery of Hybrid Glasses formed from Metal Organic Frameworks (Nature Communications 6, 8079 (2015)), including ones uniquely possessing ultrahigh glass-forming ability (Advanced Science 1700850 (2018).  Allied interests include the mechanical properties of materials, such as those evolving during the setting of cement (Nature Communications 6 8631 (2015)), and also Poisson’s ratio, relating this to atomic structure, phase transitions, and also the rheology of the liquid from which solids condense and into which they melt (Nature Materials 10, 823 (2011)). In this context, the amorphization of zeolites and Metal Organic Frameworks can be now described in terms of Decelerated Melting (Advanced Science 1700850 (2018)).


Modified Random Network model of glass structure


  • LeLosq C. Neuville D. R., Chen W., Florian P., Massiot D., Zhou Z. and Greaves G. N., "Percolation channels: a universal idea to describe the atomic structure and dynamics of glasses and melts", Scientific Reports 2017, 7, 16490. DOI:10.1038/s41598-017-16741-3
  • Qiao A., Bennett T.D., Tao H., Krajnc A., Mali G., Doherty C.,Thornton A., Mauro J.C. , Greaves G. N., Yue Y., "A metal-organic framework with ultrahigh glass-forming ability", Science Advances 2018, 4: eaao6827. DOI: 10.1126/sciadv.aao6827
  • Wondraczek L., Pan Z., Palenta T., Erlebach A., Misture S.T., Sierka M., Micoulaut M., Hoppe U., Deubener J., Greaves G.N., "Kinetics of decelerated melting", Advanced Science 1700850 (2018) (pp1-8). DOI: 10.1002/advs.201700850
  • Chen H., Zhou Z, Greaves G.N., Nigar S., Cao H., Zhao T., Lu X., "Pt nanoparticles decorated rose-like Bi2O2CO3 configurations for efficient photocatalytic removal of water organic pollutants ", RSC Adv. 2018, 8, 914–920. DOI: 10.1039/c7ra12236e

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