Search Results - "Ivanova, N.B"

A mathematical model of an epidemic with an arbitrary law of recovery by Semenov, V.K., Ivanova, N.B.

“…The paper proposes a mathematical model of the epidemic process, taking into account the dependence of the rates of cure and loss of immunity on time. Today,…”
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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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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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Uniaxial anisotropy and low-temperature antiferromagnetism of Mn2BO4 single crystal by Kazak, N.V., Platunov, M.S., Knyazev, Yu.V., Ivanova, N.B., Bayukov, O.A., Vasiliev, A.D., Bezmaternykh, L.N., Nizhankovskii, V.I., Gavrilkin, S.Yu, Lamonova, K.V., Ovchinnikov, S.G.

“…The Mn2BO4 single crystals have been grown by the flux technique. A careful study of the crystal structure and magnetic properties have been carried out. The…”
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Disorder- and correlation-induced charge carriers localization in oxyborate MgFeBO4, Mg0.5Co0.5FeBO4, CoFeBO4 single crystals by Knyazev, Yu.V., Kazak, N.V., Platunov, M.S., Ivanova, N.B., Bezmaternykh, L.N., Arauzo, A., Bartolomé, J., Ovchinnikov, S.G.

“…•The electrical resistance of the single crystalline warwickites has been measured.•The temperature-induced changes in the charge transfer mechanisms have been…”
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Crystal structure and magnetic properties of Mn substituted ludwigite Co3O2BO3 by Knyazev, Yu.V., Ivanova, N.B., Kazak, N.V., Platunov, M.S., Bezmaternykh, L.N., Velikanov, D.А., Vasiliev, А.D., Ovchinnikov, S.G., Yurkin, G.Yu

“…The needle shape single crystals Co3−x MnxO2BO3 with ludwigite structure have been prepared. According to the X-ray diffraction data the preferable character…”
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The superexchange interactions in mixed Co–Fe ludwigite by Kazak, N.V., Ivanova, N.B., Bayukov, O.A, Ovchinnikov, S.G, Vasiliev, A.D., Rudenko, V.V., Bartolomé, J., Arauzo, A., Knyazev, Yu.V.

“…The crystal structure, cation distribution and exchange interactions in the Co 2.25Fe 0.75O 2BO 3 ludwigite have been explored through X-ray diffraction,…”
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Evolution of the Mossbauer spectra of ludwigite [Co.sub.3-x] [Fe.sub.x][O.sub.2]B[O.sub.3] with substitution of iron for cobalt by Knyazev, Yu. V, Ivanova, N.B, Bayukov, O.A, Kazak, N.V, Bezmaternykh, L.N, Vasiliev, A.D

“…A concentration series of single crystals of iron-cobalt ludwigites [Co.sub.3-x] [Fe.sub.x][O.sub.2]B[O.sub.3] (x = 0.0125, 0.025, 0.050, 0.10, 1.0) has been…”
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Magnetic and transport properties of Gd 0.9A 0.1CoO 3− δ (A=Ba, Sr) by Kazak, N.V., Ivanova, N.B., Michel, C.R., Ovchinnikov, S.G., Pashkevich, Yu.G., Balaev, A.D., Bondarenko, G.V.

“…The X-ray diffraction, magnetization and electrical conductivity measurements for Gd 0.9A 0.1CoO 3− δ (A=Ba, Sr) have been made. The complicated magnetic…”
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Crystal structure and magnetization of a [Co.sub.3][B.sub.2][O.sub.6] single crystal by Kazak, N.V, Platunov, M.S, Ivanova, N.B, Knyazev, Yu. V, Bezmaternykh, L.N, Eremin, E.V, Vasil'ev, A.D, Bayukov, O.A, Ovchinnikov, S.G, Velikanov, D.A, Zubavichus, Ya. V

“…The crystal structure and magnetic properties of [Co.sub.3][B.sub.2][O.sub.6] single crystals are studied. Orthorhombic symmetry with space group Pnnm is…”
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Effect of the diamagnetic dilution on the magnetic ordering and electrical conductivity in the [Co.sub.3][O.sub.2]B[O.sub.3]: Ga Ludwigite by Ivanova, N.B, Platunov, M.S, Knyazev, Yu. V, Kazak, N.V, Bezmaternykh, L.N, Vasiliev, A.D, Ovchinnikov, S.G, Nizhankovskii, V.I

“…Single crystals of cobalt ludwigite [Co.sub.3][O.sub.2]B[O.sub.3] with diamagnetic substitution of [Ga.sup.3+] ions for a part of the cobalt ions have been…”
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Crystal structure and magnetic anisotropy of Ludwigite [Co.sub.2]Fe[O.sub.2]B[O.sub.3] by Ivanova, N.B, Kazak, N.V, Knyazev, Yu.V, Velikanov, D.A, Bezmaternykh, L.N, Ovchinnikov, S.G, Vasiliev, A.D, Platunov, M.S, Bartolome, J, Patrin, G.S

“…[Co.sub.3][O.sub.2]B[O.sub.3] and [Co.sub.2]Fe[O.sub.2]B[O.sub.3] single crystals with a ludwigite structure are fabricated, and their crystal structure and…”
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Study of Fe 1− x V x BO 3 system magnetization by Kazak, N.V., Balaev, A.D., Ovchinnikov, S.G., Ivanova, N.B., Rudenko, V.V.

“…The measurements of the magnetization of Fe 1− x V x BO 3 ( x = 0 , 0.1 3 , 0.3 , 0.9 5 , 1 ) solid solutions as a function of temperature and field have been…”
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Magnetic and transport properties of Gd0.9A0.1CoO3−δ (A=Ba, Sr) by Kazak, N.V., Ivanova, N.B., Michel, C.R., Ovchinnikov, S.G., Pashkevich, Yu.G., Balaev, A.D., Bondarenko, G.V.

“…The X-ray diffraction, magnetization and electrical conductivity measurements for Gd0.9A0.1CoO3-delta (A=Ba, Sr) have been made. The complicated magnetic…”
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Mossbauer magnetization and resistivity studies of Fe 1.91V 0.09BO 4 by Kazak, N.V., Balaev, A.D., Ivanova, N.B., Ovchinnikov, S.G.

“…Single crystals of Fe 1.91V 0.09BO 4 were prepared by spontaneous crystallization using a solution melt technology for the first time and its structure,…”
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Study of Fe1−xVxBO3 system magnetization by Kazak, N.V., Balaev, A.D., Ovchinnikov, S.G., Ivanova, N.B., Rudenko, V.V.

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Mossbauer magnetization and resistivity studies of Fe1.91V0.09BO4 by Kazak, N.V., Balaev, A.D., Ivanova, N.B., Ovchinnikov, S.G.

“…Single crystals of Fe1.91V0.09BO4 were prepared by spontaneous crystallization using a solution melt technology for the first time and its structure,…”
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