TL;DR: In this paper, composites containing 10 to 70 volume percent PZT were prepared with several different rod diameters, and measured dielectric constants ranged from 200 to 1000, longitudinal piezoelectric coefficients d33 from 200- 350 pC/N, and hydrostatic PZE coefficients dh from 40 to 80 pC /N.
TL;DR: In this article, a layered structure of vanadium pentoxide gels analogous to that of montmorillonites is presented. But the structure of the fibers themselves is not modified during the swelling process and can be presumably related to the lamellar structure of orthorhombic vanadium compounds.
TL;DR: In this article, a direct phase transformation was used to obtain diamond and cubic boron nitride mixed crystals with sphalerite structure, which can be described by the formula (BN)xC1−x, 0 < x < 1, showing short range order expressed by substitution of B-N pair by C-C pair in the first coordination sphere.
TL;DR: In this article, the electrochemical behavior of α-Fe 2 O 3 and Fe 3 O 4 cathodes has been investigated in cells containing lithium - aluminium anodes and a molten LiCl/KCl electrolyte.
TL;DR: A series of mixed metal oxides with pyrochlore structure has been discovered and can be described by the general formula A2[B2−xAx]O7−y where A = Pb or Bi, B = Ru or Ir, 0 < x ≲ 1 and 0 ≤ y ≤ 0.5 as mentioned in this paper.
TL;DR: The formation of stoichiometric titanium disulfide from the elements is a strong function of both sulfur partial pressure and temperature as discussed by the authors, and material best suited for use as the cathode active component of lithium batteries is optimally prepared from titanium sponge between 450° and 600°C in a temperature gradient which fixes the sulfur pressure and thereby precludes the formation of both the nonstoichiometric disulfides and the trisulfide.
TL;DR: In this article, single crystals of lanthanide aluminates LnMgAl11O19 have been prepared with the purpose of investigating their physical properties which could eventually have useful applications.
TL;DR: In this paper, the ionic conductivity of the polycrystalline samples of the lithium chloride spinel, Li 2 MCl 4 (M = Mg, Mn, Fe, Cd) is measured by the help of ac techniques in the temperature range of 25-500°C.
TL;DR: In this paper, the conductivity of single crystals of ion rich and ion rich β alumina was measured by the complex impedance method in the 25-700°C temperature range.
TL;DR: In this paper, the catalytic activity of LnFeO 3 and LnCrO 3 for methanol oxidation has been studied by the measurement of conductivity change in the mixture gas ( O 2 (0.5%) + N 2 (99.5%), where the activity of these compounds appeared above the Neel points.
TL;DR: The crystal structure of a low temperature modification of Mg2NiH4(LT), stable below 235°C, has been determined from Guinier-Hagg powder diffraction data as discussed by the authors.
TL;DR: In this article, the influence of various dopants on the behavior of single crystalline SrTiO3 electrodes in a photoelectrochemical cell for water decomposition has been investigated.
TL;DR: In this paper, a new structural type of MF2 fluorine compounds has been studied using neutron diffraction, and the structure of the high pressure form of Pd difluoride has been derived from the fluorite type by a rhombohedral distortion of the cubic environment of the cations.
TL;DR: In this article, a mixture of LiF and AlF 3 is evaporated under 1 mPa onto glass substrates kept at room temperature, and the resulting 0.8 μm thick colorless transparent film is amorphous even after annealing at 600°C.
TL;DR: In the ordered La2Li0,5Ni 0,5O4 phase with K2NiF4 structure, a Jahn-Teller distortion of the (NiO6) octahedra is observed as discussed by the authors.
TL;DR: The crystallographic, electrical and magnetic properties of Sr 1,50 La 0.50 MnO 4 which has a K 2 NiF 4 -type structure show the existence of ferromagnetic clusters due to Mn 3+ Mn 4+ short range ordering antiferromagnetic coupled as discussed by the authors.
TL;DR: In this article, the Mossbauer spectra at low temperature can be interpreted assuming a disproportionation of tetravalent iron according to a scheme previously proposed for CaFeO3: 2 FeIV → FeIII + FeV.
TL;DR: A class of inorganic chloride glasses based on BiCl3 as glass-former is described in this article, which is characterized by infra-red transparency to unusually long wavelengths, and their transition temperatures reported.
TL;DR: In this article, measurements of lattice constants, density and transition temperature have been carried out on α-HgI 2 single crystals grown both from vapor phase and from solution under different stoichiometric conditions.
TL;DR: Germanium sulfide glasses were drawn into fibers with optical losses lower than 1 dB/m as mentioned in this paper, and the glass fibers were coated with Teflon FEP or silicone resin according to their thermal properties.
TL;DR: In this article, it was observed that boron can be alloyed with RPd 3 (R = rare earth) compounds to yield alloys of the type RPd3 B x, where x typically ranges from 0 to 1.
TL;DR: In this article, measurements have been made of the pressure and temperature dependences of the velocities of longitudinal and transverse ultrasonic waves in a glass having the composition 0.58ZrF 4 : 0.08ThF 4.
TL;DR: In this paper, the electrical conductivity σ, Hall coefficient RH and thermoelectric power Q of nearly stoichiometric Cu2Se and Cu2S have been measured as a function of temperature between 100 and 700 K.
TL;DR: In this paper, two types of materials in which the highest filled and lowest empty electron bands are mainly cationic have been investigated, namely, Bi/sub 4/Ti/sub 3/O/sub 12/ and CoNb/sub 2/Wo/sub 6/ with filled narrow transition-metal bands and empty Nb 4d bands.