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222.176  Articles
1 of 22.219 pages  |  10  records  |  more records»
The several simulated X-ray diffraction patterns for calcium silicate hydrate – gyrolite were calculated with GSAS program using the structural model of natural mineral gyrolite and profile parameters values determined from refining crystal structure of r... see more

The structural determination of clathrate hydrates, nonstoichiometric crystalline host-guest materials, is challenging because of the dynamical disorder and partial cage occupancies of the guest molecules. The application of direct space methods with Riet... see more

The object of research is the crystal structure of the Ba3TeO6 compound. It is known from the literature that this material has photoluminescent properties and crystallizes in the tetragonal system with the space symmetry group I41/a (88) and lattice peri... see more

The object of research is the crystal structure of the a phase of K3VF6 compound. From the analysis of the literature it follows that there are three modifications of this compound – the a phase, the b phase and the g phase. There are also several me... see more

The object of research is the crystal structure of the a phase of K3VF6 compound. From the analysis of the literature it follows that there are three modifications of this compound – the a phase, the b phase and the g phase. There are also several methods... see more

Photoactivity of titanium dioxide (TiO2) can be improved by turning it into nanoparticles. Synthesis of TiO2 nanoparticles can be done by using hydrothermal method. Hydrothermal method is influenced by types of precursor, hydrothermal conditions, includin... see more

In this study, sol-gel method using egg white as emulsifying agent was applied to prepare nano size spinel NixFe3-xO4 (with x = 0.2–1). Sample preparation was carried out by mixing the solution of Fe(NO3)3.9 H2O and Ni(NO3)3.6 H2O with egg white, and then... see more

The silicon-substituted hydroxyapatite (Si-HA) with three different Si-substitution levels were synthesized via aaqueous precipitation method, in the absence of any surfactants and organic solvents. The composition of the Si-substituted HA phases and effe... see more

The transition metal phosphates (TMPO4, M = Cr, Mn, Fe, Co, Ni, Cu) are synthesized via microwave metathesis synthesis (MMS) with by-product sodium chloride which drives the MMS reaction to forward direction by dint of high lattice energy. The synthe... see more

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