Showing papers in "Solid State Ionics in 1980"

TL;DR: In this article, the ion exchange properties, densification under cold pressing, and protonic conduction are shown to have general application to other ion exchange materials, such as H3O+ ions.

TL;DR: In this article, a diamond-like structure is partially formed, that is, C-C bonds in the direction perpendicular to the layers forming a packing structure of (C 2 F) n.

TL;DR: The emf of zirconia galvanic cells, O2(I)+CO, Pt/stabilized ZrO2/Pt, O 2(II), becomes anomalously higher than that calculated from Nernst's equation when PCO/PO 2(I) as discussed by the authors.

TL;DR: Ionic polarizabilities for alkali, halide, and chalcogenide ions in crystals with the NaCl structure were calculated using the Sternheimer method in this paper, where the crystalline environment about the central ion was taken to be a spherically averaged sum of pseudopotentials.

TL;DR: In this article, a new lithium vitreous electrolyte was found in the LiILi2SP2S5 system and the conduction is ionic and assured by Li+ ions.

TL;DR: In this article, a metal oxide was added to the mixture of Na2CO3, ZrO2, SiO2 and NH4H2PO4 in order to prepare the dense ceramics with high ionic conductivity.

TL;DR: In this article, the anion disorder in β-PbF2 has been investigated as a function of temperature by single crystal X-ray diffraction and the results show strong anharmonic thermal vibrations of the F− ions along the body diagonals in the direction of the tetrahedral faces of the Pb2+ ions.

TL;DR: In this article, the small-signal ac response of cells with LaF3 or the solid solutions La1-xBaxF3-x and ionically blocking electrodes has been measured in the frequency range 0.1-3 × 104Hz, and for temperatures from 220 to 650 K.

TL;DR: The incorporation of lithium at ambient temperatures into WO 3 has been studied in this article, where the cubic phase was found to have higher lithium contents, 0.67, at 25°C than at 650°C, and 0.5, approaching the value 0.75 calculated from the crystal structure.

TL;DR: In this article, the B2O3-xLi2O-LinX (n = 1, X = F, Cl, Br, I;n = 2, I = SO4) system was shown to have a conductivity of 10-2 ω-1 cm-1 at 300°C.

TL;DR: In this article, a Vegard-like relation between the cubic cell-axis and cationic radius of the substituted trivalent metal ion was found, which accounts for results of electrical conductivity measurements and thermogalvanic measurements as well.

TL;DR: The crystal structures of the high-temperature modifications of sodium and silver orthophosphates have been determined using powder neutron diffraction (PND) data as discussed by the authors, and the derived model, with R=0.019 for 116 independent reflections, is in agreement with the latest work reported in the literature.

TL;DR: The 3-dimensional crystal structure of magnesium doped potassium rich β alumina (Al 11− y Mg Y K 1+ y O 17 ) was determined with an R factor of 3.36% in this paper.

TL;DR: In this paper, conductivity data for fluorites are reviewed, and it is shown that the anion vacancies have a large and unique mobility value at the transition temperatures Tc. At Tc only small concentrations of defects are present, which strongly contradicts the concept of anion-sublattice melting.

TL;DR: In this paper, the state of order of mobile cations in the synthesized hollandites is analyzed by diffuse X-ray scattering and the order is of short-range nature and shows very little interchannel correlation; in the others they find a three-dimensional long-range order.

TL;DR: A wide range of solid solution formation in the Li4GeO4-Li2ZnGeO 4-Li3PO4 system was observed to occur with a structure based on γII-Li 3PO4 as discussed by the authors.

TL;DR: In this paper, an electrochemical cell involving a SrCl 2 -based solid electrolyte either doped or undoped with SrO was investigated, and the results indicated that an electrode reaction involving dissolved oxide ions: O 2 (gas)+4 e − =2 O 2− (SrCl 2 ) can take place and be utilized in an oxygen gauge down to 200°C.

TL;DR: In this paper, the van der Waals gap of the host lattice of the VSe2 has been investigated and the anomalously large c/a ratio of lattice parameters in VSe 2 collapses to a value typical of other dichalcogenide intercalation compounds.

TL;DR: In this paper, the crystal structure analysis of βK ferrite (Fe10.92K1.55O17) refined to an R factor of 5.07% shows that the compensation mechanism for non-stoichiometry (y = 0.55) is achieved simultaneously by large deficiencies in the spinel blocks and by Fe2+ ions.

TL;DR: In this article, the polarization behavior of the air, Pt/8 m%Sc2O3-ZrO2 interfacial system has been studied by use of AC admittance techniques in the frequency range 40 Hz to 20 kHz between 600 and 900°C.

TL;DR: In this paper, it was shown that the phase change is abrupt, occurs within a temperature range of about 1.5°C, and that upon slow warming, phase change occurs at a temperature about 3°C higher than upon slow cooling.

TL;DR: In this paper, the discharge characteristics of (CF) n prepared from four kinds of carbon material, that is, natural graphite, petroleum coke, carbon black, and active carbon, were studied on the cell combined with a lithium anode and an organic electrolyte.

TL;DR: The preparation of near-stoichiometric sodium beta alumina is described in this paper, where the activation energy for sodium-ion conduction, 0.62 eV, is significantly larger than for the highly non-stochastic starting material.

TL;DR: In this article, the completely hydrated state of pure lithium beta-alumina is represented by Li 2.3 O·11Al 2 ) 3 ·5.4H 2 O.

TL;DR: The self-diffusion coefficient of iron in ferrous sulphide has been determined from the kinetics of iron sulphidation as a function of temperature (943 −1223 K) and sulphur vapour pressure (5.9 × 10 −4 -0.65 atm ) as mentioned in this paper.

TL;DR: In this paper, a value of 2×10−3 ohms−1 cm−1 was found at 350°C, which is the highest reported for proton conducting solid electrolytes in this temperature range.

TL;DR: In this paper, a tracer diffusion measurements in solids is described, based on neutron activation of nuclei in situ in a thin slice in the middle of the sample and the subsequent determination of the activity profile through nondestructive γ-scanning.

TL;DR: In this article, a single crystal lithium-aluminum has been prepared as chemically and isotopically pure 7LiAl. This was by the Stockbarger technique in a low-pressure bomb.

TL;DR: In this paper, the authors investigated the conductivity of 6NaCl · CdCl2 in terms of circuit equivalents using plots of the complex resistivity and modulus, showing that conduction in the bulk and across gaps in the grain boundaries is consistent with a model containing some disorder in the lattice.

TL;DR: In this article, a phase diagram for the ternary phase of LiAlCl 4 was proposed and a phase width with respect to the lithium content is small, approximately 10 −4 %.