Showing papers in "Materials Research Bulletin in 1986"

TL;DR: In this paper, X-ray diffraction analysis has shown that the exfoliated MoS 2 in suspension is in the form of one-molecule-thick sheets.

TL;DR: In this article, thin pyrite films (0.05 - 2 μm) have been prepared by metal organic chemical vapor deposition (MOCVD) employing ironpentacarbonyl and sulphur or hydrogen sulfide.

TL;DR: In this paper, the authors investigated the magnetic properties of delafossite-type compounds on the base of a 2D-Heisenberg model using the expansion series method proposed for reciprocal magnetic susceptibility by Rushbrooke and Wood.

TL;DR: The room temperature modification of LiZr/sub 2/(PO/sub 4/)/sub 3/ is monoclinic as discussed by the authors, where Li(1) sites are fully occupied, whereas Li(2) ones are empty.

TL;DR: In this article, the effect of electrode materials on the PTC effect has been investigated and an equivalent circuit for the transport process has been proposed and the circuit parameters have been determined.

TL;DR: The existence of two different barium hexaaluminates is confirmed: one poor in barium 0.82Ba0.6Al 2 O 3 and one rich in Barium 1.29Ba 0.6 aluminates as discussed by the authors.

TL;DR: By adsorbing monolayers of various species on MoS 2 while the sulfide is suspended as single layers and then recrystallizing, a new group of compounds is formed which can be called inclusion compounds or inclusion solids as discussed by the authors.

TL;DR: In this paper, two lithium ions per formula unit can be inserted into the structure; the inserted lithium ions displace the tetrahedral ferric ions of the spinel into neighbouring vacant octahedral sites to yield a rocksalt phase Li3Fe5O8.

TL;DR: In this paper, the chemistry of layered molybdenum bronzes with alkali metals as the guest cations was investigated, and thermogravimetric analysis was used to determine the number of intercalated water molecules.

TL;DR: ZnPS 3 structure determination was performed from single crystal diffraction data and structure refinement was conducted from 634 reflexions and 29 variables in C2/m space group to R = 4.0% as mentioned in this paper.

TL;DR: In this article, the authors determined the bandgap of CuCrO2 to be 1.28 eV; further interband transitions occurred at ⋟2.2, 3.08 and 3.35 eV.

TL;DR: In this paper, a single-crystal X-ray diffraction method was used to study the crystal structure of a perovskite-derivatives constructed from Fe 2 O 3 -and Fe 2 Fe 6 O 5 -slabs perpendicular to the b-axis.

TL;DR: The topotactic oxidization of mixed valence fluoride NH4Fe2F6 leads to a cubic pyrochlore form of FeF3, hereafter noted Pyr-FeF3 (S.G.Fd3m, Z = 16 a = 10,325(2) A ).

TL;DR: In this paper, the authors showed that the Pr3+ ion can be used as a sensitizer of Gd3+ ions in luminescent compounds, i.e., for two different host lattices.

TL;DR: In this paper, the authors investigated the effect of dispersions of Al2O3 and CeO2 on the ionic conductivity of CaF2 in biphasic systems.

TL;DR: Fluorite-related Ru(V) compounds with composition Ln/sub 3/RuO/sub 7/ have been found in this paper, and these compounds adopt a superstructure of the cubic fluorite structure.

TL;DR: In this paper, the ternary germanides R2T3Ge5 and R2Ir3G5 were obtained from single-crystal X-ray data to a conventional R value of 0.034.

TL;DR: The structure of the NASICON solid solution system was investigated at room temperature and at 993K in this paper. But the results from both measurements can be correlated only, if at room-temperature Na + is located in the interstitial sites and if the transition of these ions to the Na2 site occurs at high temperature.

TL;DR: In this article, the Czochralski technique has been used to grow tungsten bronze solid solution crystals, such as Sr 1−x Ba x Nb 2 O 6, x = 060, and 050.

TL;DR: In this article, it was shown that the low temperature phase of Sr 2 Co 2 O 5 has a rhombohedral structure (R), being the stable phase at room temperature of this strontium cobalite oxide.

TL;DR: The structure of the dehydrated gallium analog of zeolite L, K 9 Ga 9 Si 27 O 72 has been determined by full profile analysis of powder neutron diffraction data.

TL;DR: In this article, the laminar compounds VOPO4.2H2O and VOAsO 4.3H 2O interact with primary and tertiary amides to produce either dehydration or intercalation reactions, or sometimes both.

TL;DR: In this paper, the authors used photoluminescent activators in the host lattice to capture the migrating Gd/sup 3+/ excitons when excited via the 4f/sup 2/ - 4f5d band of the Pr/Sup 3+ ion.

TL;DR: Li2Fe2(MoO4)3 has been determined by profile refinement of neutron powder diffraction data Li2Fe 2(O6 octahedra)3 was prepared at ambient temperature by the reaction of solid ferric molybdate with a LiI/acetonitrile solution as mentioned in this paper.

TL;DR: In this article, the high temperature thermal transformation of Li-exchanged Na/1bY zeolite has been investigated by X-ray diffraction and 29Si MAS NMR studies.

TL;DR: In this paper, ternary chalcogenides with TlV5S8 and tlV6S8 were synthesized directly from the elements: InTi5Se7.8, TlCr5Te7.4V6 (Se6.8P1.0).

TL;DR: The material Ag 1 2 V 1 2 Cr 1 2 PS 3 was prepared from the elements taken in stoichiometric proportions and heated in evacuated silica tubes for two weeks at 600°C.