27 datasets found

Thermoelectric devices are capable of converting thermal energy directly into electrical energy. The efficiency of a device is related to the characteristics of the materials of...

NaNbO3 has long been regarded as the 'most complex' perovskite known, with at least seven different phases reported as a function of T, at least two of which have evaded all...

Doped cerias are currently being used as oxide ion conducting electrolyte materials in solid oxide fuel cells (SOFCs). The conduction mechanism in electrolytes is dependent on...

Apatites are a large group of chemically and structurally flexible functional materials with important applications as solid electrolytes. The majority of known apatite...

Halogenomethane derivatives exhibit thermally induced solid¿solid phase transitions before melting that are attributed to the ability to gain rotational degrees of freedom in...

Nitrides of alkali and alkaline earth metals are an interesting set of materials specifically for their potential in reversible hydrogen storage. However, many fundamental...

We propose to use neutron scattering to examine the complex structures of some new mixed oxide materials that have applications in catalysis and for their magnetic properties....

Materials that show oxide-ion mobility (solid electrolytes) and/or reversible uptake and release of oxygen (oxygen storage materials) have important uses in applications...

We have recently discovered that light metal amides and imides are excellent cattalysts for the decomposition of ammonia. We request 3 days on POLARIS to perform in situ neutron...

Materials that show fast oxide ion conduction have potential applications as electrolytes in devices such as solid oxide fuel cells (SOFCs), gas sensors and gas separation...

Na0.5Bi0.5TiO3 (NBT) based materials can present high level of oxide-ion conduction and therefore they are promising electrolytes for IT-SOFCs. The conductivity of highly...

We propose to study comprehensively the structure of single crystal PbZr1-xTixO3 using the high-resolution SXD instrument. A diffuse scattering experiment is also proposed to...

The aim of this proposal is to determine that materials that are present in the ammoniation of amides.

In the piezoelectric ceramic material PbZrxTi1-xO3 (PZT) there is controversy about the structure of PZT at the Zr-rich end. This region has always been considered to be of...

The purpose of the experiment is to determine the effect of titanium doping on the structural and magnetic transitions of Ca3Ru2O7. The pure material undergoes a Néel transition...

The aim of this proposal is to study the thermal evolution of the structure of two ternary ordered skutterudites, CoGe1.5Q1.5 (Q = S, Te). At room temperature, ordering of the...

Graphite intercalation compounds (GICs) have potential as hydrogen storage materials, from direct physisorption of H2 or as a high surface area nanostructured host for metal...

Lanthanum-containing germanate apatites are materials with potential applications as electrolytes in solid oxide fuel cells. The conductivity of these materials is known to...

Recent studies in our laboratory have shown that a range of A-site deficient perovskite oxides, with carefully tuned chemical compositions, exhibit excellent properties when...

There is widespread interest in perovskite materials, with work traditionally focusing on simple oxide systems. In recent years, however, there has been growing interest in the...