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Atomic structure of ternary tin phosphate glasses
Tin phosphate glasses are the alternative as lead-free glasses with zero photoeleastic constant (PEC) for fibers that are used in sensors of electric current. Since the binary... -
Cation environment and the tellurite anomaly
We have recently shown that the anomalous behaviour of the Te-O coordination number, nTeO, for binary tellurite glasses is related to the presence of terminal Te=O bonds in... -
Refining compositions for bio-active phosphate glasses
We wish to investigate the structural changes which arise when B2O3 is added to a bioactive phosphate glass. We are particularly interested to study the phosphate environment... -
The Structure of Lead Tungstate-Phosphate Glasses
Lead tungstate phosphate glasses are of practical interest due to their electrochromic and photochromic properties, with a wide range of practical applications in smart windows,... -
Structural investigation of biodegradable Mg-based bulk metallic glass
Mg-Zn-Ca glasses show considerable promise for use as medical implants. Magnesium, zinc and calcium are all elements found within the human body, and the biocompatibility of... -
As2Ch3 glasses: Understanding the relationship between glass structure and no...
We wish to study a series of glasses of composition As2Ch3 (Ch = S, Se and Te) to investigate the effect of varying the chalcogen type on the non-linear optical (NLO) behaviour... -
Structural Studies of High Level Waste Glass
The aim of this proposal is to develop a methodology to investigate multicomponent glass structure, combining neutron diffraction, XRD, NMR, ab initio MD, and RMC. We wish to... -
The effect of combined modifiers: understanding the interactions between alka...
The mixed alkali effect is a well-known phenomenon whereby combining two alkalis in a ternary glass system can produce physical properties which can be superior to, but cannot... -
Chemical disorder and network structure of glassy As2Te3
Telluride glassy systems are widely used for phase-change optical recording. They are also promising materials for far-IR applications. The atomic structure of telluride glasses... -
The structural role of carbonate groups in glass
We request GEM beamtime to study the structure of samples of sodium silicate glass with and without CO3 carbonate groups. The presence of CO3 carbonate groups in the glasses is... -
Structural role of magnesium in aluminosilicate glass
A combination of high real-space resolution neutron diffraction and 27Al and 29Si NMR experiments will be used to measure the structure of glassy MgO-Al2O3-SiO2. A focus will be... -
Monitoring Packing Changes in Magnetic Halogenated Phthalocyanine Molecules
The way that small molecules pack together can have substantial ramifications on the observed physical properties, reactivity, and device characteristics, even if the molecule... -
Polyhedral connectivity in high lead silicate glasses
We have a long-established interest in the structural role of heavy-metal, lone-pair cations such as Pb in glasses. PbO can be incorporated to very high concentrations in oxide... -
Understanding the structural changes in bioactive aluminium-doped phosphate g...
Additions of a small amount of alumina to bioactive phosphate-based glass significantly improves the formation of the hydroxycarbonate apatite layer on the surface when exposed... -
Monitoring Packing Changes in Magnetic Halogenated Phthalocyanine Molecules
The way that small molecules pack together can have substantial ramifications on the observed physical properties, reactivity, and device characteristics, even if the molecule... -
Neutron diffraction of fully deuterated amorphous calcium phosphate (d-ACP)
Bone growth involves the formation of hydroxyapatite, HA, nanocrystals in the body. In vitro studies showed that HA does not precipitate directly, but that amorphous calcium... -
The First Structural Characterisation of some Gallium Oxide Polymorphs
We propose to make the first detailed structural study of some polymorphs of gallium oxide that remain poorly characterised and yet have applications in catalysis and are used... -
Structural origins of the high sulphur solubility of barium rich glasses
We will investigate the structural origin of the high sulphate solubility of Ba-rich silicate glasses with radioactive waste immobilisation applications by measuring total... -
The feasibility of boron isotopic substitution
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Structure of niobium phosphate glasses
Niobium is one of the candidates for causing strong non-linear optical properties in oxide glasses. Recently, Raman gain experiments on niobium phosphate glasses were quite...
