Search Results - "S.Kh. Estemirova"

Stable high-entropy TiZrHfNbVCrMoMnFeCoNiAl Laves phase by Uporov, S.A., Ryltsev, R.E., Estemirova, S.Kh, Sterkhov, E.V., Chtchelkatchev, N.M.

“…•Single-phase duodenary high-entropy C14 Laves phase is fabricated.•The phase demonstrates ultra-fine dendritic microstructure.•The synthesized compound is…”
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A single-phase ScTiZrHf high-entropy alloy with thermally stable hexagonal close-packed structure by Uporov, S., Estemirova, S.Kh, Bykov, V.A., Zamyatin, D.A., Ryltsev, R.E.

“…High-entropy alloys forming non-cubic crystal structures are intriguing systems for both scientific and functional viewpoints. Hexagonal-structured HEAs are…”
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Local magnetic properties of La0.83Sr0.17Mn0.9Fe 0 . 1 − x Zn x O3 by Seidov, Z.Y., Yatsyk, I.V., Vagizov, F.G., Shustov, V.A., Badelin, A.G., Karpasyuk, V.K., Najafzade, M.J., Ibrahimov, I.N., Estemirova, S.Kh, Krug von Nidda, H.-A., Eremina, R.M.

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Mechanical activation of anatase as a way to improve hexavalent chromium removal from solutions by the photoreduction and adsorption under near visible LED irradiation by Pechishcheva, N.V., Burdina, L.G., Kel', P.V., Estemirova, S.Kh, Konysheva, E.Yu, Sushnikova, A.A.

“…Bifunctional as a photocatalyst and a sorbent material was obtained by easily accessible mechanical activation of commercially available anatase powder. The…”
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Effect of oxygen content on structural, magnetic and magnetocaloric properties of (La0.7Pr0.3)0.8Sr0.2Mn0.9Co0.1O3±δ by Mitrofanov, V.Ya, Estemirova, S.Kh, Kozhina, G.A.

“…•Increasing the oxygen content lowers the temperature of polymorphic phase transitions.•Oxygen non-stoichiometry has little effect on TC and MCE.•All the…”
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Removal of Cr(VI) from wastewater by modified montmorillonite in combination with zero-valent iron by Ordinartsev, D.P., Pechishcheva, N.V., Estemirova, S.Kh, Kim, A.V., Shunyaev, K.Yu

“…For this study, the authors synthesised a composite sorbent based on montmorillonite: (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2·nH2O denoted by MM, that contains Fe3O4…”
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The double superconducting transition in DyBa2Cu3O6+δ by Estemirova, S.Kh, Mitrofanov, V.Ya

“…The structural and magnetic properties of DyBa2Cu3Oy (Dy-123) during high-energy ball milling were investigated by a combination of x-ray and magnetization…”
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The effect of martensitic transformation on the cavitation erosion resistance of a TIG-deposited Fe-Cr-C-Al-Ti layer by Korobov, Yu S., Alwan, H.L., Filippov, M.A., Soboleva, N.N., Alani, I.A., Estemirova, S.Kh, Makarov, A.V., Sirosh, V.A.

“…This study shows the effect of strain-induced martensitic transformation (austenite (γ)–to–martensite (α′)) on the cavitation erosion resistance of a…”
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Effect of cation substitution on structural, magnetic and magnetocaloric properties of (La0.7Eu0.3)0.75Sr0.25Mn0.9(Me)0.1O3 (Me = Co, Ti) by Estemirova, S.Kh, Mitrofanov, V.Ya, Uporov, S.A., Gulyaeva, R.I.

“…•Temperatures of structural phase transitions are determined.•The spin state of cobalt significantly affects the crystal structure.•Magnetic phase transition…”
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Anomalous electrical conductivity in rapidly crystallized Cu100−Zr (x = 50–66.6) alloys by Uporov, S.A., Estemirova, S.Kh, Chtchelkatchev, N.M., Ryltsev, R.E.

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Nanosized high-entropic materials based on HEA, design principles and synthesis methods by V.A. Polukhin, S.Kh. Estemirova, E.D. Kurbanova, R.M. Belyakova

“…The principles of designing high-entropy alloys related to the selection of elements are analyzed. When selecting elements, a parametric approach is used,…”
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Adsorption of heхavalent chromium on mechanically activated graphite by Pechishcheva, N.V., Estemirova, S.Kh, Kim, А.V., Zaitceva, P.V., Sterkhov, E.V., Shchapova, Yu.V., Zhidkov, I.S., Skrylnik, M.Yu

“…Mechanical activation of spectrally pure graphite was carried out in a high-energy planetary mill. Changes in the structure and physicochemical properties…”
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Local magnetic properties of La0.83Sr0.17Mn0.9Fe0.1−xZnxO3 by Seidov, Z.Y., Yatsyk, I.V., Vagizov, F.G., Shustov, V.A., Badelin, A.G., Karpasyuk, V.K., Najafzade, M.J., Ibrahimov, I.N., Estemirova, S.Kh, Krug von Nidda, H.-A., Eremina, R.M.

“…Magnetic properties of polycrystalline La0.83Sr0.17Mn0.9Fe0.1−xZnxO3 (x=0, x=0.05) have been investigated by means of electron spin resonance, magnetic…”
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On the room-temperature aging effects in YBa 2 Cu 3 O 6+δ by Fetisov, А.V., Kozhina, G.А., Estemirova, S.Kh, Mitrofanov, V.Ya

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Anomalous electrical conductivity in rapidly crystallized Cu100−xZrx (x = 50–66.6) alloys by Uporov, S.A., Estemirova, S.Kh, Chtchelkatchev, N.M., Ryltsev, R.E.

“…Cu100−xZrx (x = 50, 54, 60 and 66.6) polycrystalline alloys were prepared by arc-melting. The crystal structure of the ingots has been examined by X-ray…”
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XPS study of the chemical stability of DyBa2Cu3O6+δ superconductor by Fetisov, A.V., Kozhina, G.А., Estemirova, S.Kh, Fetisov, V.B., Gulyaeva, R.I.

“…•The mechanism regulating stability of second generation high-temperature superconductors in a moist environment is studied.•Immobile water in the structure of…”
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Structural evolution in TiZrHfNb high-entropy alloy by Ryltsev, R.E., Estemirova, S.Kh, Gaviko, V.S., Yagodin, D.A., Bykov, V.A., Sterkhov, E.V., Cherepanova, L.A., Sipatov, I.S., Balyakin, I.A., Uporov, S.A.

“…•We address thermal stability of TiZrHfNb HEA at different temperatures.•Single-phase BCC solid solution is unstable at all temperatures below…”
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On the room-temperature aging effects in YBa2Cu3O6+δ by Fetisov, А.V., Kozhina, G.А., Estemirova, S.Kh, Mitrofanov, V.Ya

“…•New model for the lattice parameter c.•The hole concentration in CuO2 is related with c(δ).•Holes shift from oxygen to copper at RT. The aging effects in…”
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