Zobrazeno 1 - 10
of 24
pro vyhledávání: '"V. I. Pet'kov"'
Publikováno v:
Russian Journal of General Chemistry. 93:586-592
Publikováno v:
Russian Journal of General Chemistry. 92:2334-2338
Autor:
V. Yu. Bedin, O. V. Kazachiner, E. A. Asabina, V. I. Pet’kov, I. A. Stenina, A. M. Kovalskii, A. B. Yaroslavtsev
Publikováno v:
Inorganic Materials. 58:64-70
Autor:
E. A. Asabina, V. I. Pet'kov, P. A. Mayorov, A. V. Markin, N. N. Smirnova, A. M. Kovalskii, A. A. Usenko
The purpose of this work was to synthesize and investigate phase formation, structure and thermophysical properties of the phosphates M0.5+xM'xZr2–x(PO4)3 (M – Cd, Sr, Pb; M' – Mg, Co, Mn). The compounds were synthesized by sol-gel method. The
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https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b0bdd24f58ad0bc7b48cafa0dee3e58
Publikováno v:
Russian Journal of Applied Chemistry. 85:867-871
Phosphates M 0.5 II M 2 IV (PO4)3 (MII = Cd, Sr; MIV = Ti, Zr) with a structure of the NaZr2(PO4)3 (NZP) type were synthesized and their total exchange capacity and chemical stability were studied. The kinetics of exchange processes on strontium-tita
Autor:
I. A. Shchelokov, A. V. Knyazev, K. K. Palkina, V. I. Pet’kov, M. D. Surazhskaya, A. S. Kanishcheva
Publikováno v:
Russian Journal of Inorganic Chemistry. 55:1352-1355
Double phosphate Ba1.5Fe2(PO4)3 was synthesized and structurally studied. Single crystals were synthesized by the fusion method. Cubic crystals, Z = 4, space group P213, a = 9.866(1) A. This structure is built of polyhedrons of four types: PO4 tetrah
Publikováno v:
Russian Journal of Inorganic Chemistry. 54:45-51
The new phosphate Cs2Mn0.5Zr1.5(PO4)3 was synthesized for the first time and characterized by X-ray diffraction. Its crystal structure was refined in space group P213, Z = 4 at 25°C (a = 10.3163(1) A, V = 1097.93(1) A3), by the Rietveld method using
Autor:
M. V. Sukhanov, M. M. Ermilova, N. V. Orekhova, G. F. Tereshchenko, I. A. Shchelokov, V. I. Pet’kov
Publikováno v:
Russian Journal of Applied Chemistry. 81:17-22
Molybdate phosphates Na1−yZr2(MoO4)y(PO4)3 − y (y = 0, 0.25, 0.5) having the NaZr2(PO4)3 structure were prepared by the sol-gel method. The catalytic properties of the molybdate phosphates in dehydration and dehydrogenation of methanol in inert a
Publikováno v:
Radiochemistry. 48:227-233
Crystalline CsZr2(PO4)3 with the NZP [NaZr2(PO4)3] structure was prepared by a sol gel procedure. The purity and composition of the sample were determined by scanning electron microscopy with energy-dispersive X-ray analysis as well as by X-ray phase
Autor:
V. I. Pet'kov, E. A. Asabina
Publikováno v:
Glass and Ceramics. 61:233-239
Data on the thermophysical properties of NZP ceramics with the NaZr2(PO4)3-type structure are summarized. A system of thermal expansion regularities is proposed making it possible to predict NZP materials with controllable thermal expansion, includin