22 datasets found

To determine the temperature dependence of the structures of new mixed and ionic conducting materials in the n = 2 ruddlesden-popper,mellilite and pyrochlore systems.

Our studies focus on the use of Co3Mo3N (331) as a catalyst in ammonia synthesis. During synthesis, N is lost and the compound is transformed to the new nitride Co6Mo6N (661); a...

A detailed study of the temperature and compositional variation of defect structure in doped bismuth tantalates is proposed. Tantalum doping into Bi2O3 can achieve d-phase...

The sequence of structural phase transitions that occur in distorted ABO3 perovskites as a function of temperature is of intrinsic interest for better understanding of the...

Oxide ceramics based on ceria, CeO2, have been the subject of considerable research for the role of solid electrolyte within solid oxide fuel cells (SOFCs), since their ionic...

This proposal seeks to identify and characterise high-pressure polymorphs of the energetic materials hydroxylammonium perchlorate, CL-20, diaminodinitroethene (FOX-7), and...

The recently reported double perovskite analogue imidazolium potassium iron(III) cyanide is noteworthy for two reasons. First, the order-disorder phase transitions, in which the...

An uncommon oxygen absorption/desorption behavior for cobalt oxide YBaCo4O7+d was found[Karppinen et al. Chem Mater 18 2006 490]. Y114 absorbs and desorbs oxygen up to d = 1.5...

Topotactic reduction of YMnO3 with CaH2 yields three new reduced phases. Two of these phases appear to have compositions close to YMnO2.5 but with very different anion vacancy...

Apatite-type lanthanide silicates/germanates have been attracting considerable interest as a new class of oxide ion conductors. The presence of interstitial oxide ions is...

Stabilised bismuth oxides are of interest as intermediate temperature solid electrolytes for a variety of electrochemical device applications. Lead doping into bismuth yttrate...

The aims of the experiment are (1) to obtain structural data for the model hydrogen storage intermetallic LaNi5 under a deuterium pressure of 3000 bar at cryogenic temperatures,...

Insertion reactions are of key importance for Li-ion and Hydrogen storage materials and energy storage devices. Nano-sizing the electrode materials has emerged as a promising...

During the course of a PhD project funded by CCLRC's CMPC, we have developed a cell that allows electrical transport property measurements to be made simultaneously with the...

This proposal aims to investigate the evolution of the structures of layered oxysulfide materials which show promise as lithium ion battery electrodes. The lithiation of...

We are investigating the ultra-rapid synthesis of transition metal carbides using microwave (MW) irradiation. Currently we are establishing an understanding of these reactions...

One method by which the efficiency of gas turbine engines may be improved is by increasing the gas stream temperature on entry to the turbine. Currently this temperature is...

Nano-diamond particles are synthesised by detonation of TNT and Hexogen, resulting in a shockwave which produces diamond nanoparticles with an average size of around 5 nm,...

The last couple of decades have seen a rapidly increasing interest in new environment friendly energy sources and one key aspect of this research involves characterisation of...

Very recently, the metastable cubic ice phase was renamed to stacking-disordered ice (ice Isd) in order to emphasise the fact that this form of ice contains not only cubic...