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Verification of Local Ordering in Praseodymium Doped Ceria
Doped cerias are currently being used as oxide ion conducting electrolyte materials in solid oxide fuel cells (SOFCs). Depending on the nature and concentration of the dopant... -
Phase Transitons and Phonon-Liquid-Electron Crystal Behaviour in Argyrodites
We wish to collect powder neutron diffraction as a function of temperature on four samples of argyrodites, A8GeQ6 (A = Cu, Ag; Q = S, Se), to investigate structural phase... -
An investigation into water incorporation in titanium and phosphate doped A2S...
The drive for increasing energy efficiency and reducing greenhouse gas emissions has garnered increasing support for the use of fuel cell technology, which offers the potential... -
Investigating the correlation between the order-disorder transition in YSr2Cu...
The effect of order-disorder transitions on the conductivity of oxide ion conducting electrolytes has attracted significant attention in the literature. In contrast there has... -
In-situ thermoelectric measurements of copper chalcogenides
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... -
Phase behaviour in double substituted lanthanum manganate MIECs
Bismuth and iron/nickel substitution in lanthanum manganese oxide yields materials showing mixed ionic-electronic conductivity and are being investigated as cathode materials... -
Increasing Oxide Ion Vacancy Concentration Bi2O3 Based Electrolytes through d...
Recent research has shown that bismuth oxide based electrolytes are viable components in solid oxide fuel cells. Di-substitution of Bi3+ by an isovalent and a subvalent cation... -
Oxide Ion Disorder in Rhombohedral Bismuth Neodymium Oxide Electrolytes
Materials that exhibit high oxide ion conductivity are of interest with a view to their application in solid oxide fuel cells, gas sensors and gas separation membranes. A study... -
In-situ conductivity study of double perovskites for use as potential anode m...
It is a challenge to develop materials for use in fuel cell applications. Presently we are preparing new perovskite and double perovskite structured compounds being potential... -
Oxygen Vacancy Clusters in Pure and Doped CeO2-d
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... -
In situ neutron diffraction study of the iron electrode for secondary batteries
Iron as a negative electrode for the alkaline battery is interesting because it could theoretically deliver up to 962 mAh/g, it is inexpensive and it is one of the most abundant... -
In Search of Superionic Conductivity of Mg2+ Cations
The migration of cations with a charge greater than 1 has received very little attention historically, perhaps due to no commercially driven demand for the research as well as... -
In-situ diffraction and TGA of the hydration reaction of proton conducting pe...
Here the use of the IGAN system for in-situ TGA and neutron diffraction is proposed in order to study the de-hydration of four proton conducting materials. The selected... -
Oxide Ion Disorder in Rhombohedral Bismuth Neodymium Oxide Electrolytes
Materials that exhibit high oxide ion conductivity are of interest with a view to their application in solid oxide fuel cells, gas sensors and gas separation membranes. A study... -
in situ neutron diffraction investigation of LiFe0.6Mn0.4PO4
In this proposal, we aim to use in situ neutron diffraction to characterise cation order-disorder in LiFe0.6Mn0.4PO4. We have successfully prepared the complete solid solution... -
In-situ neutron diffraction study of Nd0.75Mg0.25Ni3.45Al0.15 during charge/d...
Nickel-metal-hydride (NiMH) batteries are widespread in everyday life from small scale electronic devices to hybrid cars.The negative electrode is usually an AB5-type alloy... -
In-situ neutron diffraction studies of LiCoO2 cathode material for Li-ion bat...
LiCoO2 as cathode for Li-ion batteries suffers from a large capacity fading after extended cycling. The ordered structure (Li+ and Co3+ atoms occupy alternate (111) layers of... -
Local ordering in copper antimony tin sulfide thermoelectrics
Solid-state devices based on thermoelectric materials can directly convert heat into electricity and may be utilized to make use of waste heat, for example from industrial... -
Oxygen Vacancy Defects in Y Doped CeO2
CeO2 based ceramics are currently the subject of extensive research interest as potential electrolyte materials for Solid Oxide Fuel Cells (SOFCs). They offer the advantage of... -
Phase Transitons and Phonon-Liquid-Electron Crystal Behaviour in Argyrodites
We wish to collect powder neutron diffraction as a function of temperature on four samples of argyrodites, A8GeQ6 (A = Cu, Ag; Q = S, Se), to investigate structural phase...