Showing papers in "Materials Research Bulletin in 1976"

TL;DR: In this article, the Im3 phase of high pressure KSbO3, the defect-pyrochlore structure illustrated by RbMgAlF6, and the carnegieite structure of high-temperature NaAlSiO4 were investigated.

TL;DR: In this paper, the skeleton structures for fast alkali-ion transport were identified and analyzed using single-crystal x-ray analysis, and the system Na1+xZr2Si2PO12 was prepared, analyzed structurally and ion exchanged reversibly with Li+, Ag+, and K+ ions.

TL;DR: In this article, photoinduced currents at single crystal α-Fe2O3 anodes have been observed for incident radiation of greater than the band gap energy (Eg = 2.2 eV).

TL;DR: In this paper, the influence of the nature of the adjuvant and its specific concentration, of temperature and hydrogen pressure on the reaction rate, have been carefully studied and the pressure-composition isotherms have been determined especially when the adjuvvant is LaNi5.

TL;DR: In this paper, X-ray diffraction verified that LaNiH3.6 and LaNi5H6.5 are ternary compounds, while LaNi2H4.5, LaNi3H5 and La2Ni7H10 form in an amorphous state.

TL;DR: In this paper, the reduction of MoO 3 in neutral aqueous electrolyte solutions results in the reversible topotactic formation of a new type of molybdenum oxide bronzes A + x (H 2 O) y [MoO 3 ] x−.

TL;DR: In this paper, single crystals of Ti x S 2 were incorporated into an electrochemical cell with propylene carbonate as an aprotic solvent, and open circuit voltages were measured as a function of the alkali metal content.

TL;DR: Based on the description of the brownmillerite structure, a model of oxygen vacancy ordering in the AMO 3-x phases along the direction of the cubic perovskite cell is proposed in this article.

TL;DR: In this paper, the structure of a new high-Nd-concentration laser material, K/sub 3/Nd(PO/sub 4/)/sub 2/, has been grown both from the melt and from a KF--KCl flux.

TL;DR: The ionic conductivities of samples of lithium orthosilicate containing up to 50 mole % of lithium phosphate have been measured by both a c and d c techniques as discussed by the authors, indicating a large enhancement in lithium ion conduction due to the presence of the phosphate, making these materials attractive candidates for use as solid electrolytes in applications such as battery systems.

TL;DR: In this paper, a new technique for continuous melt spinning of metal filaments in a glassy state has been developed, which consists of casting a stream of the melt from an orifice onto a convex inner surface of a rapidly rotating wheel.

TL;DR: In this article, the ionic conductivity of new sheet phases obtained in the KLO/sub 2/--MO/sub n/ (L = In, Sc; M = Zr, Hf, Sn, Pb) systems and which are electronic insulators, was investigated.

TL;DR: In this paper, a new method for preparing homogeneous lanthanum-modified lead zirconate-titanate (PLZT) powder from aqueous salt solution containing hydrogen peroxide by precipitation is described.

TL;DR: In this paper, the system La 2 O 3 WO 3, especially the La 2 o 3 -rich portion, was studied by thermal analysis, high temperature X-ray diffraction, annealing of fused samples, solid state reaction and DTA methods up to the liquidus.

TL;DR: In this article, the formation of glasses in the systems L 2 S 3 Ga 2S 3 (L = Y and La to Er, and La-to-Er, except Eu).

TL;DR: In this article, the electrical properties of perovskite-related oxides were studied in the form of dense single phase sintered specimens, and the following materials were prepared: CaTi 0.7 Al 0.85 Mg 0.9 □ 0.1, SrZr 0.8 Yb 0.2 O 2.2

TL;DR: Si2Te3 as mentioned in this paper is the only stable phase in the Si2Te system, which is successfully grown by the Bridgman technique and by sublimation, and crystallizes in the trigonal space group P31c with a = 7.430 A, C = 13.482 A, and z = 4.070.

TL;DR: In this article, photoinduced currents at BaTiO3 semiconductor electrodes for incident radiation greater than the band gap energy (Eg = 3.3 eV) were obtained with an applied potential.

TL;DR: In this paper, the study of ionic conduction in fluorides with fluorite type structure leads to new anionic superconductors of formulation Pb1−xBixF2+x (0 ⩽ x⩽ 0.50).

TL;DR: Copper phosphorus sulphide halides of the above composition were synthesized from the elements and CuHal at 700°C. as mentioned in this paper showed second harmonic generation upon irradiation with Nd- laser light.

TL;DR: In this paper, the levels of the 6 P 7 2 (4f7) and 4f65d1 states of europium (+II) were determined from fluorescence spectra in a series of fluorides.

TL;DR: In this paper, it was shown that β-alumina is metastable unless stabilized with magnesium (and, presumably, lithium) and has not been seen below 950°C.

TL;DR: In this paper, the authors showed that the threshold frequency for hydrogen evolution toward energies slightly lower than the 302 eV bandgap of TiO2 has been observed for some of these electrodes.

TL;DR: In this article, samples of the non-stoichiometric compounds NaxTiS2 were synthesized by reaction of TiS2 with solutions containing Na-naphtnalide, and the isotropic Knight shift, an axial contribution to the Knight shift and measured by wideline NMR techniques.

TL;DR: In this article, the binary join Ag 2 SGa 2 S 3 and some supplementary compositions in the ternary system were examined by differential thermal analysis and X-ray diffraction.

TL;DR: A new sulfide of vanadium and thallium TlxV6S8 (x = 0.52±0.2) has been prepared in this paper, which is characterized by infinite triple rutile chains along the c axis containing short V-V (2.860 A) distances.

TL;DR: In this article, the relative stability of octahedral and trigonal prismatic coordination in layered oxides A x MO 2 (x ⩽ 1) is discussed, and Rouxel's diagram for the A x MS 2 intercalation compounds allows a classification of both types of environment.

TL;DR: In this paper, polycrystalline samples of Li5Al04, Li5Ga04, and Li6Zn04 have been synthesized, and their ionic conductivity measured over a range of temperature.

TL;DR: In this paper, two new oxides, A 3 Ta 6 Si 4 O 26 (A = Ba, Sr) and K 6 M 6 Si O 6 (Ta O 6 ) octahedra, have been synthesized.

TL;DR: In this article, a superstructure of wurtzite type, with ordered vacancies on gallium positions, is described and a polymorphism of Ga 2 S 3 is described.