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Local structural disorder in the ion conducting complex oxide CeNbO4+d
Complex oxides within the family CeNbO4 have been shown by single crystal x-ray studies to have superstructured average structures, but little detail has been obtained about the... -
Local Dynamics in End-Functional Poly(ethylenes)
Poly(ethylene)s carrying multiple end-functional groups on a single chain end have been prepared from polybutadiene, saturated with either hydrogen or deuterium. These materials... -
Local and average structures of the proton conducting Y-doped BaZrO3 from neu...
Y-doped BaZrO3 has been identified as a promising potential candidate as an electrolyte materialfor proton conduction in intermediate temperature fuel cells. In the temperature... -
Local structures and dynamics of new functional oxides
The melilite family are new xoide ion conductors with high mobility at low temperatures. Average structures suggest that the ability of the structure to accomodate high levels... -
Local Structure within Fluorite-Pyrochlore Solid Solutions
This proposal requests 6 days beamtime on the Polaris diffractometer to study the nature of the local structure within two systems which have been reported to show a solid... -
Local structure in cation substituted Zn2TiO4 inverse spinel
Considerable research has been devoted to materials to fulfil the roles of electrodes and electrolyte within SOFCs, with focus on the fluorite or perovskite crystal structures.... -
Local structure studies of mellilite oxide ion conductors
The development of new interstitial oxide conductors with less restrictive structural constraintsrequires understanding of the mechanisms allowing both incorporation and... -
Local structure within Li+ depleted LiFePO4
Lithium iron phosphate is a commonly used cathode material in Li-ion batteries. The material exhibits a two phase system on lithiation and delithiation with narrow solid... -
Local structure of polymers in confined geometries in surface dominated samples
This proposal is focused on developing an understanding of how surfaces affect the local structure of synthetic polymers. There is considerable evidence for a strong variation... -
Long-Range and Local Structures of New Pyrochlores and Fluorites
We propose to study by total neutron scattering the structures of some complex oxide materials prepared by new hydrothermal routes in order to construct structural models... -
Local structure and proton sites in proton conducting brownmillerites
This proposal requests 3 days on Maps to investigate the nature of local structure and proton sites in the proton conducting brownmillerite system Ba2In1.85M0.15O6H2 (M = In,... -
Local structural effects in doped NaNbO3 ferroelectrics
Derivatives of the perovskite NaNbO3 are currently being studied as benign replacements for piezoelectric Pb(Zr,Ti)O3. In order to understand the structure-composition-property... -
Local magnetic order and the paramagnetic-parmagnetic transition in MnO
The antiferromagnetic-paramagnetic transition in MnO at 118 K occurs at a much lower temperature than anticipated from its Curie-Weiss constant theta~550 K. Consequently, strong... -
Local structure of ortho-terphenyl glass
Ortho-terphenyl is a paradigmatic example of a molecular glass-former; yet the structure of its glass has never been fully described. We have recently demonstrated that, by... -
Local Structure of TiNiSn-based thermoelectrics
We propose to study the local structure in two series of promising thermoelectric materials: Ti1-xZrxNiSn and TiNi1+ySn. Diffraction experiments on Ti1-xZrxNiSn reveal multiple... -
Determination of Local Lithium Environment in Fast Ion Conducting Garnets by ...
We propose to use two days of beamtime on POLARIS to carry out the first analysis of the Pair Distribution Function of lithium-conducting garnets. These materials show... -
Local structure study of the order/disorder ferroelectric transition in [ND4]...
We will carry out a definitive local structure investigation of the ferroelectric transition in [ND4][Zn(DCOO)3]. This compound is seen as the canonical example of a... -
Local structure and dynamics in metal-imidazolate frameworks
This proposal aims to study local structure and dynamics in two metal-organic frameworks (MOFs): namely, zinc imidazolate and cobalt imidazolate. Imidazole (IM) is a small, flat... -
Local structure / electronic-structure relationships in functional materials
This proposal is a low-cost/high-gain first step in an ambitious project: namely, to develop a combined neutron scattering and electronic structure calculation approach as a... -
Local structure and electron-phonon coupling in phosphors for next-generation...
This proposal requests 4 days on Tosca to investigate the local structure and vibrational properties of phospors for solid state white lighting. The key objective is to...
