Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Edwin S. Raj"'
Autor:
Robert C. Dickson, Troy D. Manning, Edwin S. Raj, Jonathan C. S. Booth, Matthew J. Rosseinsky, Matthew S. Dyer
Publikováno v:
Physical chemistry chemical physics : PCCP. 24(26)
Exploration of chemical composition and structural configuration space is the central problem in crystal structure prediction. Even in limiting structure space to a single structure type, many different compositions and configurations are possible. I
Autor:
Edwin S. Raj, Jonathan Booth
Publikováno v:
Johnson Matthey Technology Review. 61:156-164
Publikováno v:
Solid State Ionics. 192:638-641
Dense mixed-conducting composite materials of LSC (La 0.9 Sr 0.1 CoO 3 − δ or La 0.6 Sr 0.4 CoO 3 − δ ) and CGO (Ce 0.9 Gd 0.1 O 2 − δ ) prepared by conventional powder mixing and sintering have been studied for possible application as oxyge
Autor:
John T. S. Irvine, Edwin S. Raj
Publikováno v:
Solid State Ionics. 180:1683-1689
The complex perovskite (Pr 0.75 Sr 0.25 ) 1 − x Cr 0.5 Mn 0.5 O 3 − δ (PSCM) has been prepared and studied as possible anode material for high-temperature solid oxide fuel cells (SOFCs). PSCM exhibits GdFeO 3 -type structure and is both physical
Publikováno v:
Solid State Ionics. 180:952-955
The oxygen tracer diffusion coefficient ( D ⁎) has been measured for 9 mol% scandia 2 mol% yttria co-doped zirconia solid solution, (Y 2 O 3 ) 2 (Sc 2 O 3 ) 9 (ZrO 2 ) 89 , using isotopic exchange and line scanning by Secondary Ion Mass Spectrometr
Publikováno v:
Solid State Ionics. 179:1090-1093
The Rare-Earth ferrates REFeO 3 (RE = La, Pr, Sm, Gd, Ho) were prepared by the citric acid route. The distortion in the FeO 6 octahedron decreased with the decrease in the ionic radii (except for Ho) and the angle between adjacent FeO 6 octahedra dec
Publikováno v:
Solid State Ionics. 177:1747-1752
Oxygen tracer diffusion coefficient (D⁎) and surface exchange coefficient (k⁎) have been measured for (La0.75Sr0.25)0.95Cr0.5Mn0.5O3−δ using isotopic exchange and depth profiling by secondary ion mass spectrometry technique as a function of te
Publikováno v:
Chemistry of Materials. 18:3351-3355
Materials of the K2NiF4 structure type have been identified as new highly conducting conductometric gas sensors. The materials of interest are based on substituted La2CuO4, a known superconducting material at low temperatures. La2CuO4 has been substi
Publikováno v:
Solid State Ionics. 176:1097-1101
An oxide ion conducting lanthanum excess lanthanum strontium trigallium heptoxide, La 1+ x Sr 1- x Ga 3 O 7+ δ ( x =0.05) was prepared by the high temperature ceramic route at 1350 °C in air and characterized by powder X-ray diffraction (XRD), ener
Publikováno v:
Journal of Solid State Chemistry. 177:2685-2690
Structural data obtained from neutron diffraction studies of some cerium tantalate phases are presented, including the first report of the high temperature structure of a CeTaO 4 phase, Ce 0.85 TaO 3.84 deduced from in situ data recorded at 900°C in