Search Results - "Bayukov, O.A"

Role of the surface effects and interparticle magnetic interactions in the temperature evolution of magnetic resonance spectra of ferrihydrite nanoparticle ensembles by Balaev, D.A., Stolyar, S.V., Knyazev, Yu.V., Yaroslavtsev, R.N., Pankrats, A.I., Vorotynov, A.M., Krasikov, A.A., Velikanov, D.A., Bayukov, O.A., Ladygina, V.P., Iskhakov, R.S.

“…•We prepared antiferromagnetic ferrihydrite nanoparticles using two methods: (i) chemical precipitation and (ii) from bacterial sediments after cultivating…”
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Ion reduction in iron oxide and oxyhydroxide nanoparticles during ultrasonic treatment by Stolyar, S.V., Bayukov, O.A., Yaroslavtsev, R.N., Knyazev, Yu.V., Ladygina, V.P., Gerasimova, Yu.V., Iskhakov, R.S.

“…[Display omitted] •Ferrihydrite nanoparticles were synthesized by Klebsiella oxytoca microorganisms.•Sonication of biogenic ferrihydrite leads to the reduction…”
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Anomalies in the magnetic properties of bismuth-substituted diluted yttrium iron garnet by Aplesnin, S.S., Zelenov, F.V., Semenov, S.V., Bayukov, O.A.

“…•Linear temperature dependence of the saturation magnetization.•The sublattices magnetization compensation temperature.•Disappearing of the phonon mode in the…”
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Magnetically dead layer in interacting ultrafine NiFe2O4 nanoparticles by Knyazev, Yu.V., Balaev, D.A., Stolyar, S.V., Shokhrina, A.O., Velikanov, D.A., Pankrats, A.I., Vorotynov, A.M., Krasikov, A.A., Skorobogatov, S.A., Volochaev, M.N., Bayukov, O.A., Iskhakov, R.S.

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Magnetic anisotropy and core-shell structure origin of the biogenic ferrihydrite nanoparticles by Knyazev, Yu.V., Balaev, D.A., Stolyar, S.V., Bayukov, O.A., Yaroslavtsev, R.N., Ladygina, V.P., Velikanov, D.A., Iskhakov, R.S.

“…Ferrihydrite is a low-crystalline nanoscale matter. The uncompensated magnetic moment of the ferrihydrite caused by the antiferromagnetic ordering of the…”
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Magnetic properties of heat treated bacterial ferrihydrite nanoparticles by Balaev, D.A., Krasikov, A.A., Dubrovskiy, A.A., Popkov, S.I., Stolyar, S.V., Bayukov, O.A., Iskhakov, R.S., Ladygina, V.P., Yaroslavtsev, R.N.

“…The magnetic properties of ferrihydrite nanoparticles, which are products of vital functions of Klebsiella oxitoca bacteria, have been studied. The initial…”
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Interparticle magnetic interactions in synthetic ferrihydrite: Mössbauer spectroscopy and magnetometry study of the dynamic and static manifestations by Knyazev, Yu.V., Balaev, D.A., Stolyar, S.V., Krasikov, A.A., Bayukov, O.A., Volochaev, M.N., Yaroslavtsev, R.N., Ladygina, V.P., Velikanov, D.A., Iskhakov, R.S.

“…•Synthetic and biogenic ferrihydrite nanoparticles are synthesized.•Analysis of the Mössbauer spectra and magnetometry revealed the interparticle magnetic…”
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Square plate shaped magnetite nanocrystals by Komogortsev, S.V., Stolyar, S.V., Chekanova, L.A., Yaroslavtsev, R.N., Bayukov, O.A., Velikanov, D.A., Volochaev, M.N., Eroshenko, P.E., Iskhakov, R.S.

“…•Square plate-shaped magnetite nanocrystals were synthesized using arabinogalactan.•Stratification of the particles reduces blocking temperature and exchange…”
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ε-Fe2O3 nanoparticles embedded in silica xerogel – Magnetic metamaterial by Yakushkin, S.S., Balaev, D.A., Dubrovskiy, A.A., Semenov, S.V., Knyazev, Yu.V., Bayukov, O.A., Kirillov, V.L., Ivantsov, R.D., Edelman, I.S., Martyanov, O.N.

“…A novel method for synthesizing a new metamaterial based on ε-Fe2O3 nanoparticles immobilized in the xerogel matrix was proposed. Samples with different…”
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Structural and electron transport properties of CaFe2O4 synthesized in air and in helium atmosphere by Knyazev, Yu.V., Tarasov, A.S., Platunov, M.S., Trigub, A.L., Bayukov, O.A., Boronin, A.I., Solovyov, L.A., Rabchevskii, E.V., Shishkina, N.N., Anshits, A.G.

“…The samples with the CaFe2O4-type crystal structure were obtained by the solid-state reaction method at 1000 °C in the air and the helium atmosphere for the…”
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Solid state synthesis and characterization of Fe–ZrO2 ferromagnetic nanocomposite thin films by Myagkov, V.G., Bykova, L.E., Bayukov, O.A., Zhigalov, V.S., Tambasov, I.A., Zharkov, S.M., Matsynin, A.A., Bondarenko, G.N.

“…•Ferromagnetic Fe–ZrO2 nanocomposites were prepared by solid-state reactions.•The reaction starts above the initiation temperature Tin∼250°С.•The reaction…”
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Ferromagnetic resonance in iron tubes deposited on a copper grid by Stolyar, S.V., Yaroslavtsev, R.N., Chekanova, L.A., Rautskii, M.V., Bayukov, O.A., Cheremiskina, E.V., Nemtsev, I.V., Volochaev, M.N., Iskhakov, R.S.

“…•Iron coatings on the copper microgrid were prepared by electroless deposition.•Magnetic anisotropy in the grid plane was studied by measuring the FMR…”
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Ferrihydrite nanoparticles produced by Klebsiella oxytoca: Structure and properties dependence on the cultivation time by Stolyar, S.V., Bayukov, O.A., Balaev, D.A., Ladygina, V.P., Yaroslavtsev, R.N., Knyazev, Yu.V., Balasoiu, M., Kolenchukova, O.A., Iskhakov, R.S.

“…[Display omitted] •Ferrihydrite nanoparticles were synthesized using Klebsiella oxytoca microorganisms.•Ferrihydrite pass through several structural states…”
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Dimethylsulfoxide as a media for one-stage synthesis of the Fe3O4-Based ferrofluids with a controllable size distribution by Kirillov, V.L., Yakushkin, S.S., Balaev, D.A., Dubrovskiy, A.A., Semenov, S.V., Knyazev, Yu.V., Bayukov, O.A., Velikanov, D.A., Yatsenko, D.A., Martyanov, O.N.

“…The ultrafine (d = 4 nm) magnetite ferrofluid with a narrow nanoparticle size distribution has been synthesized in one stage at room temperature from a…”
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Fe-induced enhancement of antiferromagnetic spin correlations in Mn2−xFexBO4 by Kazak, N.V., Platunov, M.S., Knyazev, Yu.V., Moshkina, E.M., Gavrilkin, S.Yu, Bayukov, O.A, Gorev, M.V., Pogoreltsev, E.I., Zeer, G.M., Zharkov, S.M., Ovchinnikov, S.G.

“…•The Fe3+ ions distribution was studied by means of Mössbauer Effect.•The progressive increase of afm short-range-order spin correlations was observed.•The…”
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Spin-glass behavior in single crystals of hetero-metallic magnetic warwickites MgFeBO4, Mg0.5Co0.5FeBO4, and CoFeBO4 by Arauzo, A., Kazak, N.V., Ivanova, N.B., Platunov, M.S., Knyazev, Yu.V., Bayukov, O.A., Bezmaternykh, L.N., Lyubutin, I.S., Frolov, K.V., Ovchinnikov, S.G., Bartolomé, J.

“…Magnetic properties of heterometallic warwickites MgFeBO4, Mg0.5Co0.5FeBO4, and CoFeBO4 are presented, highlighting the effect of Co substitution on the…”
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Analysis of the exchange magnetic structure in [Pb.sub.3][Mn.sub.7][O.sub.15] by Eremin, E.V, Volkov, N.V, Sablina, K.A, Bayukov, O.A, Molokeev, M.S, Komarov, V.Yu

“…The indirect-coupling model is used to analyze the exchange magnetic structure of [Pb.sub.3][Mn.sub.7][O.sub.15] in the hexagonal setting. The ratios of…”
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Magnetic properties of [Co.sup.2+.sub.2][Co.sup.3+.sub.1-x][Fe.sup.3+.sub.x]B[O.sub.5] by Knyazev, Yu.V, Kazak, N.V, Bayukov, O.A, Platunov, M.S, Velikanov, D.A, Bezmaternykh, L.N, Ivanova, N.B, Ovchinnikov, S.G

“…The investigation of mixed Co-Fe ludwigite single crystals shows that their magnetic properties are close to the magnetic properties of [Fe.sub.3][BO.sub.5]…”
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Magnetic properties of [Co.sup.2+.sub.2][Co.sup.3+.sub.1-x][Fe.sup.3+.sub.x]B[O.sub.5] single crystals with a ludwigite structure by Knyazev, Yu.V, Kazak, N.V, Bayukov, O.A, Platunov, M.S, Velikanov, D.A, Bezmaternykh, L.N, Ivanova, N.B, Ovchinnikov, S.G

“…The investigation of mixed Co-Fe ludwigite single crystals shows that their magnetic properties are close to the magnetic properties of [Fe.sub.3][BO.sub.5]…”
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Solid state synthesis and characterization of ferromagnetic nanocomposite Fe–In2O3 thin films by Myagkov, V.G., Tambasov, I.A., Bayukov, O.A., Zhigalov, V.S., Bykova, L.E., Mikhlin, Yu.L., Volochaev, M.N., Bondarenko, G.N.

“…•Ferromagnetic Fe–In2O3 nanocomposites were prepared by solid-state reactions.•The reaction starts above the initiation temperature Tin∼180°С.•The reaction…”
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