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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... -
Structures of New Doped RuO2 Rutiles
We have prepared some new mixed-metal oxides using a chemical synthesis approach that provides access to materials not seen using other techniques. The materials are potentially... -
PDF analysis for the local structures of PZT in the morphotropic phase boundary
We request four days of GEM time to collect full patterns on PbZr1-xTixO3 (PZT) with different compositions at room temperature for Pair Distribution Functions (PDF) analysis.... -
Structural changes in 320GB Blu-ray disc based on BiOx glass
Japanese company TDK has recently developed a 320GB optical storage disc. In contrast to usual DVDs and BDs, the 320GB TDK disc seems to operate because of difference in... -
The Dynamics of Breathing Metal-Organic Frameworks from Total Scattering
Metal-organic framework materials are a family of nanoporous solids that have potential applications in molecular storage, separation and catalysis. Some of these materials show... -
Understanding the relationship between glass composition and rare earth envir...
We wish to investigate the effect of glass composition on the environment of rare earth ions doped into chalcogenide glasses. To achieve this the series of glasses, yNd2S3 ¿... -
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... -
Hybrid glassy chalcogenides with non-centrosymmetric HgI2 molecules
Non-linear optical (NLO) crystals are widely used in advanced photonic technologies for second harmonic and difference frequency generation (SHG, DFG), producing coherent light... -
Ferroelectric transitions in potentially multiferroic Mn-formate frameworks
The perovskite-like family of ammonium formate frameworks AB(HCO2)3, where A is a divalent metal ion and B is an (alkyl)ammonium or guanadinium, is of great interest for its... -
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... -
Correlating Structural and Magnetic Disorder in Sc-substituted SCGO (SrCr9Ga3...
A prototypical frustrated magnet in which structural disorder plays a key role is SrCr9pGa12−9pO19 (SCGO). It is postulated that structurally ordered SCGO hosts a... -
Unraveling the crystal structure of cuprice, CuOH×H2O GEM
Long-term nuclear waste repository strategies in Europe include the developing of safe multi-barrier isolation of spent nuclear fuel. One of the considered schemes is the... -
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... -
Texture evolution in Zircalloy 4 during beta heat treatment
The aim of the proposed experiment is to measure the changes in crystallographic temperature during beta quenching of Zircalloy 4, an important nuclear fuel cladding material. -
Investigation of the relaxor-photoferroelectric Ba(Sn,Ti)O3 compounds using n...
The local structural distortions in BaTiO3-based solid solutions, where the Ti4+ site is substituted by isovalent Sn4+ cation Ba(Sn,Ti)O3, are characterized by no oxygen tilts... -
Local structure of liquid gallium-iodine and gallium-indium
Liquid metal alloys, with liquidus temperatures close to room temperature, are a rapidly developing research area with novel applications in renewable energy, catalysis,... -
Extending the limits of experimental structure determination of amorphous sub...
Ge-As-Se glasses are interesting for two main reasons: they are widely used in infrared optics and optoelectronics and they serve as model materials for theories of glass... -
1D magnetic structure of a multiferroic metal-formate perovskite
The metal-organic framework perovskite analogue guanadinium copper(II) formate has achieved considerable recent attention for its multiferroic properties and consequent...