Crystal structure and ferrimagnetism of AgCoCr(MoO) with mixed occupation of the transition metal sites.

We prepared a new compound, AgCoCr(MoO), and characterized its crystal structure and physical properties. It crystallizes in the triclinic space group 1̄ with mixed occupation of the transition-metal sites M = (Co and Cr). The Ag site is split into three close positions.

Novel Red Phosphor of Gd, Sm co-Activated AgGdSmEu☐WO Scheelites for LED Lighting.

Gd and Sm co-activation, the effect of cation substitutions and the creation of cation vacancies in the scheelite-type framework are investigated as factors influencing luminescence properties. AgGdSmEu☐WO ( = 0.50, 0.

Resolving old problems with layered polytungstates related to hexagonal tungsten bronze: phase formation, structures, crystal chemistry and some properties.

A 60-year-old problem with the atomic arrangements and exact compositions of alkali polytungstates related to hexagonal tungsten bronze (HTB) was solved. The systems WO-WO ( = K, Rb) were restudied and the average monoclinic layered structures of stoichiometric polytungstates WO ( = K, Rb, Cs, Tl) and WO ( = K, Rb, Cs) were first successfully determined. The structures resemble those of "MoWO" and "MoWO" (J.

RbAgSc(WO): a new glaserite-related structure type, rubidium disorder, ionic conductivity.

A new triple tungstate RbAgSc(WO) (0 ≤ x ≤ 0.15) synthesized by solid state reactions and spontaneous crystallization from melts presents a new structure type related to those of CsNaYb(MoO) and NaSrTa(PO). The title compound in centrosymmetric space group Cmcm contains dimers of two ScO octahedra sharing corners with three bridging WO tetrahedra.

Coexistence of three types of sodium motion in double molybdate NaSc(MoO): Na and Sc NMR data and ab initio calculations.

The rechargeable Na-ion batteries attract much attention as an alternative to the widely used but expensive Li-ion batteries. The search for materials with high sodium diffusion is important for the development of solid state electrolytes. We present the results of experimental and ab initio studies of the Na-ion diffusion mechanism in Na9Sc(MoO4)6.

Synthesis, crystal structures and properties of the new compounds KAg(XO) (X = Mo, W).

Two new isostructural compounds, namely heptapotassium silver tetrakis(tetraoxomolybdate), KAg(MoO) (0 ≤ x ≤ 0.4), and heptapotassium silver tetrakis(tetraoxotungstate), KAg(WO) (0 ≤ x ≤ 0.4), have been synthesized and found to crystallize in the polar space group P6mc (Z = 2) with the unit-cell dimensions a = 12.

CsLiZn(WO) and RbLiGa(MoO): different filled derivatives of the cation-deficient CsZn(MoO) structure.

Two new compounds, namely cubic tricaesium lithium dizinc tetrakis(tetraoxotungstate), CsLiZn(WO), and tetragonal trirubidium dilithium gallium tetrakis(tetraoxomolybdate), RbLiGa(MoO), belong to the structural family of CsZn(MoO) (space group I-43d, Z = 4), with a partially incomplete (Zn□) position. In CsLiZn(WO), this position is fully statistically occupied by (ZnLi), and in RbLiGa(MoO), the 2Li + Ga atoms are completely ordered in two distinct sites of the space group I-42d (Z = 4). In the same way, the crystallographically equivalent A cations (A = Cs, Rb) in CsZn(MoO), CsLiZn(WO) and isostructural ALiZn(MoO) and CsLiCo(MoO) are divided into two sites in RbLiGa(MoO), as in other isostructural ALiR(MoO) compounds (AR = TlAl, RbAl, CsAl, CsGa, CsFe).

The double molybdate Na9Sc(MoO4)6 refined from powder XRD data.

Na9Sc(MoO4)6 {nonasodium scandium hexakis[tetraoxidomolybdate(II)]} was synthesised by a solid-state method. The basic structure units are polyhedral clusters composed of an ScO6 octahedron and three NaO6 octahedra sharing total edges. The clusters are connected by sharing vertices with bridging MoO4 tetrahedra, forming a three-dimensional framework where the cavities are occupied by the other two crystallographically independent Na atoms.