In this work, we report the electrical and dielectric behaviours of a ferroelectric nanoparticle-doped liquid crystal cell using impedance spectroscopic measurements in frequency range 1 Hz – 2 MHz. The impact suitable equivalent electric circuit is proposed parameters are obtained spectroscopy technique. nanoparticles on these which attributed to mobile charge carriers accumulating near electrodes demonstrated discussed. presence found increase anisotropy (Δε) with maintaining low loss...

A new double molybdate Na$_{2}$Co$_{2}$(MoO$_{4})_{3}$ was synthesized via solid-state reaction and characterized by single-crystal X-ray diffraction (XRD). This compound is a member of the lyonsite structure type. It crystallized in orthorhombic system, space group Pnma with cell parameters $a$ = 5.272(2) Å, $b$ 10.816(3) $c$ 18.064(3) Å. The can be described as three-dimensional framework hexagonal tunnels which Na$^{+}$ cations lie. obtained structural model supported charge distribution...

The title compound, tetra-sodium cobalt(II) tris-[molyb-date(IV)], was prepared by solid-state reactions. structure is isotypic with Na3In2(AsO4)3 and Na3In2(PO4)3. main structural feature the presence of infinite chains edge-sharing X 2O10 (X = Co/Na) dimers, which are linked MoO4 tetra-hedra, forming a three-dimensional framework enclosing two types hexa-gonal tunnels in Na(+) cations reside. In this alluaudite structure, Co Na atoms located at same general site occupancies 0.503 (5) 0.497...

A new triple molybdate, potassium sodium cobalt tris-(molybdate), K0.4Na3.6Co(MoO4)3, was synthesized using solid-state reactions. The Co(2+) and one Na(+) cation are located at the same general site, each with occupancy 0.5. Another site (site symmetry 2) is occupied by K(+) cations, occupancies of 0.597 (7) 0.402 (6), respectively. other two cations Mo atoms lie on special positions symmetries -1, 2 2, respectively). structure characterized M 2O10 (M = Co/Na) dimers, which linked MoO4...

Brannerite-type Li[VMoO6] has been synthesized by a solid state reaction route. The V and Mo atoms statistically occupy the same site with mirror symmetry are octa-hedrally surrounded O atoms. framework is two-dimensional built up from edge-sharing (V,Mo)O6 octa-hedra forming (VMoO6)∞ layers that run parallel to (001) plane. Li(+) ions situated in position 2/m inter-layer space. bond-valence analysis reveals ionic conductivity along [010] [110] directions, shows this material may have...

Silver(I) aluminiun tricobalt(II) penta-kis-[tetra-oxidomolybdate(VI)], Ag0.90Al1.06Co2.94(MoO4)5, was synthesized using a solid-state reaction at 845 K. The structure can be described as three-dimensional framework formed from dimeric M 2O10 (M = Co/Al) and trimeric 3O14 units linked to MoO4 tetra-hedra by sharing corners, with the cavities occupied disordered Ag(+) cations. It is shown that Co Al atoms occupy common positions different occupancies. cations are located two sites occupancies...

The title compound, nona-niobium vanadium penta-cosa-oxide, was prepared by a solid-state reaction at 1198 K. It is isotypic with Nb9AsO25, Nb9PO25 and Ta9VO25. structure consists of NbO6 octa-hedra (one 4/m.. two m.. symmetry) VO4 tetra-hedra (-4.. sharing corners edges to form three-dimensional framework. This framework can be considered as junction between ribbons made up from chains tetra-hedra. V site shows half-occupancy, hence one half the unoccupied. structural differences α-Nb9VO25,...

K3NaCo4(MoO4)6 photocatalyst has been prepared using a solid-state reaction method. First, its crystal structure is determined from single-crystal X-ray diffraction data. This material crystallizes in trigonal system, space group R3¯ (No.148) with cell parameters a= 14.434(3) Å and c= 19.811(6) Å. The of the title compound can be described by junction ribbons MoO4 tetrahedra sharing vertices to give three-dimensional framework which Na+ K+ cations are resided. Second, as sample characterized...

In this work, we report the synthesis and characterization of a new condensed aromatic heterocycle (1-(2-chloroquinolin-3-yl)-N-(4-fluorobenzyl)methanimine) useful in various fields, mainly medicinal therapeutic chemistry, with interesting biological properties. Characterization title compound was carried out by 1H, 13C, 19F nuclear magnetic resonance X-ray diffraction techniques. The crystal structure reveals that crystallizes monoclinic system data for C17H12ClFN2: monoclinic, space group...

The date industry currently produces thousands of millions metric tons waste per year. Hence, there is an urgent need to find suitable applications for this which are still largely unused. aim research value and its potential application water treatment. Three types activated charcoal were prepared from the seeds dates. Different essays done each material (moisture rate ash, pH, concentration, mass, granulometry). Materials obtained characterized by different methods like FTIR BET. results...

Carbazole based polymers are materials of considerable scientific and industrial interest due to their attractive features, such as hole-transporting, high charge-carrier mobility, and electroluminescent properties. Poly (N-vinyl carbazole) (PVK) is easily synthesized, soluble in common organic solvents, poly (N-vinyl carbazole)/2,4,7-trinitro-9-fluorenone (PVK/TNF) charge transfer complex is one the best-known photos conducting for application in electrophotography. In present research,...

A new 2,6‐bis aminomethyl piperidine decavanadate hydrate, (C 7 N 3 H 20 ) 2 V 10 O 28 . 4.21H O, was synthesized by slow evaporation of a solution at room temperature. The molecular structure investigated single‐crystal X‐ray diffraction. In the crystal structure, layers groups, organic cations, and water molecules are arranged parallel to (010) plane. Also, prepared compound has been analysed FTIR spectroscopy scanning electron microscopy (SEM). title is stabilized hydrogen bonds van der...

Objective: The synthesis and structural study of a new acid decavanadate compound with monovalent inorganic cation. This makes contribution to family. Methods: the was carried out by evaporation at room temperature. Good quality crystals were chosen for single crystal x-ray diffraction using polarizing microscope. Hirshfeld surface analysis, in particular dnorm fingerprint plots, is used decode intermolecular interactions structure studied compound. Results: A compound, Na 2 [H 4 V 10 O 28...

Abstract K 0.4 Na 3.6 Co(MoO 4 ) 3 is prepared by solid‐state reaction of 2 CO , Co(NO and (NH Mo O 13 in the molar ratio Na:K:Co:Mo = 2:1:3:3 (porcelain crucible, 963 K, weeks; cooling to 910 at a rate 5 °C/d).

Abstract Na 4 Co(MoO ) 3 is prepared by solid state reaction of 2 CO , Co(NO and (NH MoO in air (Na:Co:Mo = 3:1:3; porcelain crucible, 673 K, 1 d).