Search Results - "Borzdov, Yu.M"

Reducing role of sulfides and diamond formation in the Earth's mantle by Palyanov, Yu.N., Borzdov, Yu.M., Bataleva, Yu.V., Sokol, A.G., Palyanova, G.A., Kupriyanov, I.N.

“…Sulfides are abundant inclusions in diamond, but their role in the diamond genesis is still debatable. To address this issue, experimental modeling of natural…”
Get full text

Local residual stresses in pressure-treated barium titanate powders probed by inelastic light scattering by Pugachev, A.M., Malinovsky, V.K., Surovtsev, N.V., Borzdov, Yu.M., Raevskii, I.P., Raevskaya, S.I., Malitskaya, M.A.

“…Properties of the barium titanate submicron powder treated by high pressure were studied by Raman scattering. Residual mechanical stresses were estimated to be…”
Get full text

Diamond and graphite crystallization from C–O–H fluids under high pressure and high temperature conditions by Sokol, A.G., Pal'yanov, Yu.N., Pal'yanova, G.A., Khokhryakov, A.F., Borzdov, Yu.M.

“…Crystallization of diamond was studied in the CO 2–C, CO 2–H 2O–C, H 2O–C, and CH 4–H 2–C systems at 5.7 GPa and 1200–1420°C. Thermodynamic calculations show…”
Get full text

Investigation of the Y centers in cubic plastically deformed type Ib diamonds (Yakutia placers) by Nadolinny, V.A., Palyanov, Yu.N., Rakhmanova, M.I., Borzdov, Yu.M., Komarovskikh, A.Yu, Shatsky, V.S., Ragozin, A.L., Yurjeva, O.P.

Get full text

Photoluminescence study of annealed nickel- and nitrogen-containing synthetic diamond by Kupriyanov, I.N, Gusev, V.A, Borzdov, Yu.M, Kalinin, A.A, Pal'yanov, Yu.N

“…The results of a photoluminescence (PL) study of synthetic diamonds showing different degrees of nickel–nitrogen complex transformation are presented. A number…”
Get full text

Effect of HPHT annealing in a medium with high hydrogen fugacity on the properties of plastically deformed brown IaAB diamond by Nadolinny, V.A., Palyanov, Yu.N., Borzdov, Yu.M., Rakhmanova, M.I., Komarovskikh, A.Yu, Yelisseev, A.P.

“…To test the possibility of hydrogen diffusion into the dislocation core channels in plastically deformed type IaAB diamonds the diamond sample was annealed at…”
Get full text

Graphitization of 13C enriched fine-grained graphitic material under high-pressure annealing by Fedoseeva, Yu.V., Okotrub, A.V., Koroteev, V.O., Borzdov, Yu.M., Palyanov, Yu. N., Shubin, Yu.V., Maksimovskiy, E.A., Makarova, A.A., Münchgesang, W., Bulusheva, L.G., Vyalikh, A.

“…Hot pressing is one of the promising routes for graphitization of carbon materials. In the present work, high-pressure high-temperature behaviour of…”
Get full text

A comment on “Experimental determination of carbon isotope fractionation between iron carbide melt and carbon: 12C-enriched carbon in the Earth's core?” by M. Satish-Kumar, H. So, T. Yoshino, M. Kato, Y. Hiroi [Earth Planet. Sci. Lett. 310 (2011) 340–348] by Reutsky, V.N., Borzdov, Yu.M.

“…Accounting for the behavior of metastable and stable phases in the Fe–C system at HPHT allows a reconsideration of the results of Satish-Kumar et al. (2011)…”
Get full text

Insight into effect of water additive on carbon remaining in metal alloys after high-pressure high-temperature diamond synthesis by Fedoseeva, Yu.V., Okotrub, A.V., Bulusheva, L.G., Maksimovskiy, E.A., Senkovskiy, B.V., Borzdov, Yu.M., Palyanov, Yu.N.

“…In this study, we attempted to unravel the physicochemical grounds of the effect of water additive on diamond crystallization from a conventional metal-carbon…”
Get full text

Carbon isotope fractionation during high pressure and high temperature crystallization of Fe–C melt by Reutsky, V.N., Borzdov, Yu.M., Palyanov, Yu.N.

“…There is a growing body of experimental evidence that iron carbides can play an important role in the mantle both as a host of carbon and as a redox couple…”
Get full text

Formation of the Fe, Mg-Silicates, [Fe.sup.0], and Graphite Assemblage as a Result of Cohenite Oxidation under Lithospheric Mantle Conditions by Bataleva, Yu.V, Palyanov, Yu.N, Borzdov, Yu.M, Zdrokov, E.V, Novoselov, I.D, Sobolev, N.V

“…Experimental studies in the [Fe.sub.3]C-Si[O.sub.2]-MgO system (P = 6.3 GPa, T = 1100-1500[degrees]C, t = 20-40 h) have been carried out. It has been…”
Get full text

Effect of diamond growth rate on carbon isotope fractionation in Fe–Ni–C system by Reutsky, V.N., Borzdov, Yu.M., Palyanov, Yu.N.

“…The carbon isotope fractionation factor between diamond and carbon dissolved in the Fe–Ni metal melt varies from 4.1‰ down to 2.4‰ in HTHP crystallization…”
Get full text

Sulfide melts–graphite interaction at HPHT conditions: Implications for diamond genesis by Palyanov, Yu.N., Borzdov, Yu.M., Khokhryakov, A.F., Kupriyanov, I.N., Sobolev, N.V.

“…The interaction of graphite with (Fe,Ni) 9S 8 and FeS sulfide melts has been studied at P = 6.3–7.5 GPa and T = 1450–2200 °C in experiments with a duration…”
Get full text

The diamond growth from Li2CO3, Na2CO3, K2CO3 and Cs2CO3 solvent-catalysts at P=7 GPa and T=1700–1750°C by Pal'yanov, Yu.N, Sokol, A.G, Borzdov, Yu.M, Khokhryakov, A.F, Shatsky, A.F, Sobolev, N.V

Get full text

The diamond growth from Li 2CO 3, Na 2CO 3, K 2CO 3 and Cs 2CO 3 solvent-catalysts at P=7 GPa and T=1700–1750°C by Pal'yanov, Yu.N, Sokol, A.G, Borzdov, Yu.M, Khokhryakov, A.F, Shatsky, A.F, Sobolev, N.V

“…In the series of experiments at P=7 GPa and T=1700–1750°C with their duration from 10 min to 18.5 h the processes of diamond spontaneous nucleation and growth…”
Get full text

High-quality synthetic diamonds for SR application by Pal'yanov, Yu.N, Borzdov, Yu.M, Gusev, V.A, Sokol, A.G, Khokhryakov, A.F, Rylov, G.M, Chernov, V.A, Kupriyanov, I.N

“…Synthetic diamond single crystals grown by the temperature gradient method using BARS technique have been characterized by means of X-ray diffraction. X-ray…”
Get full text

High-pressure synthesis of high-quality diamond single crystals by Pal'yanov, Yu.N., Borzdov, Yu.M., Sokol, A.G., Khokhriakov, A.F., Gusev, V.A., Rylov, G.M., Sobolev, N.V.

Get full text

Photoluminescence excitation study of cobalt-related optical centers in high-pressure high-temperature diamond by Kupriyanov, I.N., Gusev, V.A., Pal'yanov, Yu.N., Borzdov, Yu.M., Sokol, A.G.

“…The results of a photoluminescence excitation (PLE) study of cobalt–nitrogen optical centers in high-pressure high-temperature (HPHT) treated synthetic…”
Get full text

The peculiarities of the local thermal diffusivity of large synthetic diamonds by Antsigin, V.D., Gusev, V.A., Rylov, G.M., Glazkov, S.Yu, Kupriyanov, I.N., Pal'yanov, Yu.N., Borzdov, Yu.M., Khokhryakov, A.F.

“…A series of large diamond single crystals was prepared using FeNi solvent-catalyst by the temperature gradient method. Local thermal diffusivity was measured…”
Get full text