Oxide ion and proton conductors, which exhibit high conductivity at intermediate
temperature, are necessary to improve the performance of ceramic fuel cells. The crystal …

Solid oxide proton conductors are crucially emerging as key materials for enabling hydrogen-
based energy conversion, storage, and electrochemical technologies. Oxides crystallising in …

Oxide ion conductors are technologically important materials because of their potential
applications in oxygen sensors and pumps, as dense membranes for oxygen permeation …

We report the direct observation of oxide ion dynamics on both nano-and picosecond
timescales in the isostructural Bi2O3-derived solid electrolytes Bi0. 852V0. 148O1. 648 and …

δ-Bi2O3: M (M= S, Se, and Re) with an oxygen-defective fluorite-type structure is obtained
by a coprecipitation method starting from the bismuth oxido cluster [Bi38O45 (OMc) 24 …

Synthesis methods, thermodynamic and functional properties of compounds based on
bismuth niobates doped with rare-earth elements (REEs) are presented. These compounds …

The standard enthalpies of formation of compounds Bi1. 2Gd0. 8O3 and Bi12. 5Nd1.
5CoO22. 3 were determined by solution calorimetry: Δ f H 0 (Bi1. 2Gd0. 8O3, s, 298.15 K) …

The preparation of Bi12. 5Gd1. 5ReO24. 5 has been performed by solid-state reaction from
Bi2O3, Gd2O3, and Re2O7. The phase has been synthesized for the first time. The X-ray …

Samples of highly conducting Bi 12.5 Lu 1.5 ReO 24.5 and Bi 12.5 Er 1.5 ReO 24.5 have
been studied by neutron powder diffraction at room temperature for both phases and at 25° …

A combined experimental and computational study of Bi 1− x Nb x O 1.5+ x (x= 0.0625 and
0.12) has been carried out using laboratory X-ray, neutron and electron diffraction …