Zobrazeno 1 - 10
of 17
pro vyhledávání: '"S. N. Savvin"'
Autor:
Petra Fedtke, L. G. Shcherbakova, A. V. Levchenko, S. N. Savvin, A.V. Shlyakhtina, Torsten Barfels, A.V. Knotko, Marion Wienecke, Andreas Busch
Publikováno v:
Journal of Electroceramics. 24:300-307
The electrical conductivity of new solid electrolytes Eu2.096Hf1.904O6.952 and Gd2Hf2O7 have been compared with those for different pyrochlores including titanates and zirconates Ln2+xМ2−xO7−δ (Ln = Sm-Lu; M = Ti, Zr; x = 0−0.81). Impedance s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e1027509394d8f14c6c15acd1f8373b
https://doi.org/10.1007/s10832-009-9572-0
https://doi.org/10.1007/s10832-009-9572-0
Autor:
Yu. A. Dobrovol’skii, L. S. Leonova, G. N. Mazo, S. N. Savvin, M. S. Kaluzhskikh, Nikolay V. Lyskov
Publikováno v:
Russian Journal of Electrochemistry. 45:450-455
The cuprates La2 − xSr1 + xCu2O6 + δ(x = 0, 0.1, 0.2) are synthesized by solid-state method. Their dc conductivity was studied over the 373 to 1173 K temperature range and 10 to 2.1 × 104 Pa oxygen partial pressure range by using four-probe techn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1beb8094618038a56443f6903c5f1e56
https://doi.org/10.1134/s1023193509040156
https://doi.org/10.1134/s1023193509040156
Publikováno v:
Crystallography Reports. 54:292-298
The structural and transport characteristics of an Ag1 − x Cu x I(0 < x < 0.25) solid solution have been simulated by the molecular-dynamics method. It is found that the cation diffusion coefficient decreases with increasing copper concentration; t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7adb770d15af9e3152d2989d7f74e6a5
https://doi.org/10.1134/s1063774509020199
https://doi.org/10.1134/s1063774509020199
Publikováno v:
Russian Journal of Electrochemistry. 44:1359-1365
The method of molecular dynamics is used for prediction of properties of new functional materials based on lanthanum-strontium cuprates La2 − x Sr x CuO4 − δ as new materials of the solid state ionics. The most interesting phases are synthesized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e17efb0c802b1e9ec891bb8bbfad49bc
https://doi.org/10.1134/s1023193508120082
https://doi.org/10.1134/s1023193508120082
Publikováno v:
Solid State Ionics. 179:985-990
There are at least two conductivity maxima in the Ln2O3–TiO2 (Ln = Ho–Lu) systems. High oxide-ion conductivity is typically offered by stoichiometric or near-stoichiometric Ln2 + xTi2 − xO7 − δ (Ln = Ho–Lu; x = 0–0.096) pyrochlores and h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de2a697282d9fe4b4a84892c2749b2d6
https://doi.org/10.1016/j.ssi.2008.01.041
https://doi.org/10.1016/j.ssi.2008.01.041
Publikováno v:
Crystallography Reports. 53:291-301
The processes of oxygen diffusion in La2 − xSrxCuO4 − δ phases have been simulated for the first time by the molecular-dynamics method. Calculations were performed for the temperature range 300–2500 K. The behavior of the radial pair correlati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be99e09534deeee6f72d4aae9505f31a
https://doi.org/10.1134/s1063774508020193
https://doi.org/10.1134/s1063774508020193
Autor:
I. V. Kolbanev, A. V. Levchenko, S. N. Savvin, L. G. Shcherbakova, O.K. Karyagina, A. V. Shlyakhtina
Publikováno v:
Inorganic Materials. 44:299-304
Ho2Ti2O7 and LnYTi2O7 (Ln = Dy, Ho) pyrochlores have been synthesized using hydroxide coprecipitation, mechanical activation, and firing at 1600°C. The bulk and grain-boundary components of their conductivity have been determined for the first time
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71fd788e6db83920dc91b948ff2cc9e8
https://doi.org/10.1134/s0020168508030163
https://doi.org/10.1134/s0020168508030163
Autor:
A. A. Fursina, S. Yu. Stefanovich, N. Ya. Turova, Bogdan I. Lazoryak, I. A. Dantsker, A. V. Teterskii, S. N. Savvin
Publikováno v:
Bulletin of the Russian Academy of Sciences: Physics. 71:1179-1182
Oxygen-ion-conductive apatite-like oxosilicate and silicophosphate ceramics has been prepared by sintering sol-gel synthesis products at temperatures 200°C below those of solid-phase synthesis. The electrical properties of the ceramics obtained have
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fba48f5a7aeadbdf0db306cd3d6f9191
https://doi.org/10.3103/s1062873807080370
https://doi.org/10.3103/s1062873807080370
Autor:
G. N. Mazo, Artem M. Abakumov, S. N. Savvin, Yu. A. Dobrovol’skii, Joke Hadermann, L. S. Leonova
Publikováno v:
Russian journal of electrochemistry
Samples of lanthanum-strontium cuprate LaSrCuO3.61 are synthesized by a solid-phase method at 1473 K, in air. Electron diffraction patterns reveal low-intensity satellites whose position is described in the reciprocal space by the (3 + 2)-dimensional
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::985d8b357da566c8ef2cd11ec7fe2d70
https://doi.org/10.1134/s1023193507040106
https://doi.org/10.1134/s1023193507040106
Publikováno v:
Defect and Diffusion Forum. :27-42
The oxygen mobility in La2-xSrxCuO4-δ (x=0.15; 0.6; 1) was studied by the Molecular Dynamics (MD) technique. The parent layered La2CuO4 crystal structure has been shown to give rise to a strong anisotropy of oxygen diffusion coefficient in the latti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29920fb276ea8016d7d6c783bcb97b14
https://doi.org/10.4028/www.scientific.net/ddf.242-244.27
https://doi.org/10.4028/www.scientific.net/ddf.242-244.27