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  1. No Access

    Article

    The Interrelation between Iron Valence and Oxygen Vacancies in Substituted Orthoferrite La0.67Sr0.33FeO3 – γ during Heat Treatment

    In this paper, we studied substituted lanthanum orthoferrite La0.67Sr0.33FeO3 – γ by Mössbauer spectroscopy using X-ray diffraction data. A series of vacuum annealings was performed in the temperature range of ta...

    V. D. Sedykh, V. S. Rusakov, T. V. Gubaidulina… in Physics of Metals and Metallography (2023)

  2. No Access

    Article

    Magnetic Hyperfine Interactions of 57Fe Probe Atoms in the CaCuxMn7 – xO12 (0 ≤ x ≤ 1) Manganites

    Magnetic and Mössbauer measurements are performed on the nuclei of 57Fe probe atoms in the structure of the substituted CaCuxMn6.96 – x57Fe0.04O12 (0 ≤ x ≤ 1) manganites in the magnetic-ordering temperature range...

    Ya. S. Glazkova, V. S. Rusakov… in Journal of Experimental and Theoretical Ph… (2021)

  3. No Access

    Article

    Probe Mössbauer Diagnostics of Charge Ordering in Manganites CaCuxMn7–xO12 (0 ≤ x ≤ 1)

    We present the results of our 57Fe probe Mössbauer study in manganites CaCuxMn6.96–x57Fe0.04O12 (0 ≤ x ≤ 1). We have established that for compositions 0 ≤ x ≤ 0.15 near the structural R\(\bar {3}\) ↔ Im$$\bar {3}...

    I. S. Glazkova, V. S. Rusakov, A. V. Sobolev… in Journal of Experimental and Theoretical Ph… (2019)

  4. No Access

    Article

    Hyperfine Magnetic Fields at the Nuclei of 57Fe in the Intermetallic System Zr1 –xScxFe2

    Mössbauer studies of the anisotropy of hyperfine interactions (HFIs) of the 57Fe nuclei in the quasi-binary intermetallic system Zr1 –xScxFe2 (0 ≤ x ≤ 1) with the structure of the cubic Laves phase of the C15 typ...

    V. S. Rusakov, V. S. Pokatilov, T. V. Gubaidulina… in Physics of Metals and Metallography (2019)

  5. No Access

    Article

    Temperature investigations of the spatial spin-modulated structure of multiferroic BiFeO3 by means of Mössbauer spectroscopy

    The results from 57Fe Mössbauer spectroscopic studies of multiferroic BiFeO3 in a range of tem-peratures including that of the magnetic phase transition are presented. The Mössbauer spectra are processed and anal...

    V. S. Rusakov, V. S. Pokatilov, A. S. Sigov… in Bulletin of the Russian Academy of Science… (2015)

  6. No Access

    Article

    Diagnostics of a spatial spin-modulated structure using nuclear magnetic resonance and Mössbauer spectroscopy

    Methods of the diagnostics of the spatial spin-modulated structure of the cycloidal type in multiferroics based on nuclear magnetic resonance and Mössbauer spectroscopy have been considered. It has been establ...

    V. S. Rusakov, V. S. Pokatilov, A. S. Sigov, M. E. Matsnev… in JETP Letters (2014)

  7. No Access

    Article

    Mössbauer and magnetic studies of nanocomposites containing iron oxides and humic acids

    Nanocomposites containing iron oxides and humic acids were studied by Mössbauer and magnetic measurements. The concentrations of humic acids as the precursor in nanocomposites were varied. Mössbauer investigat...

    N. I. Chistyakova, A. A. Shapkin, T. V. Gubaidulina… in Hyperfine Interactions (2014)

  8. No Access

    Article

    Hyperfine magnetic fields at the nuclei of probe 119Sn atoms and exchange interactions in the CaCu3Mn3.96Sn0.04O12 manganite

    We have investigated the hyperfine magnetic interactions between the nuclei of probe 119Sn atoms in the CaCu3Mn3.96Sn0.04O12 double manganite by Mössbauer spectroscopy using magnetic measurements. A consistent de...

    V. S. Rusakov, I. A. Presnyakov… in Journal of Experimental and Theoretical Ph… (2011)

  9. No Access

    Article

    57Fe and 119Sn probe Mössbauer spectroscopy investigation of perovskite-type double manganite family CaCu x Mn7−x O12 (x = 0, 0.15, 3)

    CaCu x Mn7−x O12 (x = 0, 0.15, 3) manganites were studied by 57Fe and 119Sn probe Mössbauer spectroscopy. It was established that the 57Fe and 119Sn probe...

    V. S. Rusakov, I. A. Presniakov… in Bulletin of the Russian Academy of Science… (2011)

  10. No Access

    Article

    Structure of the local environment and hyperfine interactions of 57Fe probe atoms in DyNiO3 nickelate

    The local structure of DyNiO3 nickelate at both sides of the insulator (T < T im) ↔ metal (T > T im) phase transition was studied by probe 57Fe Mössbauer spectrosco...

    V. S. Rusakov, I. A. Presniakov, G. Demazeau… in Bulletin of the Russian Academy of Science… (2010)

  11. No Access

    Article

    Electronic state of 57Fe probe atoms in perovskite-type Ni(III) and Cu(III) oxides

    A comparative study of the electronic state of 57Fe probe atoms in nickelates and cuprates LaM 0.99 57Fe0.01O3 and LaSrM 0.99 ...

    I. A. Presniakov, V. S. Rusakov… in Bulletin of the Russian Academy of Science… (2010)

  12. No Access

    Article

    Electronic state of the 57Fe probe atoms in perovskites LaMO3 (M = Ni, Cu)

    Mössbauer spectroscopy has been applied for comparative study of the electronic state of probe iron atoms in perovskite-like nikelate LaNi0.99 57Fe0.01O3 and cuprate LaCu0.99 ...

    I. A. Presnyakov, V. S. Rusakov, A. V. Sobolev… in Russian Journal of Inorganic Chemistry (2009)

  13. No Access

    Article

    Magnetic hyperfine interactions of 119Sn probe atoms in the binary perovskite CaCu3Mn4O12

    The manganite CaCu3Mn4O12 doped by 119Sn atoms (about 1 at % with respect to Mn atoms) is studied by Mössbauer spectroscopy. The introduction of diamagnetic tin atoms is found not to affect the structure of the m...

    V. S. Rusakov, I. A. Presniakov… in Journal of Experimental and Theoretical Ph… (2009)

  14. No Access

    Article

    Mössbauer study of layered iron hydroxysulfides: Tochilinite and valleriite

    Natural and synthetic layered iron hydroxysulfides: tochilinite and valleriite, have been investigated by Mössbauer spectroscopy. Tochilinite, magnetite, troilite, and pyrite phases were found in the products ...

    T. V. Gubaidulina, N. I. Chistyakova… in Bulletin of the Russian Academy of Science… (2007)

  15. No Access

    Article

    119Sn and 57Fe Mössbauer study of the local structure of perovskite-type ferrites CaFe2 − x N x O5 (N = Sc, Al) and manganite CaMn7O12

    Anion-deficient substituted ferrites Ca2Fe2 − x N x O5 (N = Sc3+, Al3+) and mixed manganite CaMn7O12 hav...

    A. V. Sobolev, I. A. Presnyakov… in Bulletin of the Russian Academy of Science… (2007)

  16. No Access

    Article

    Mössbauer investigations of the CaMn7O12 double manganite with the nuclei of 57Fe probe atoms

    The CaMn7O12 double perovskite-like manganite is studied using Mössbauer spectroscopy with 57Fe impurity atoms. The hyperfine parameters of the Mössbauer spectra are found to reflect the specific local structure ...

    V. S. Rusakov, I. A. Presniakov, T. V. Gubaidulina, A. V. Sobolev… in JETP Letters (2007)

  17. No Access

    Chapter and Conference Paper

    Investigations of sulfide minerals with layered structure by Mössbauer spectroscopy methods

    Samples obtained as a result of the tochilinite synthesis process were investigated by 57Fe Mössbauer spectroscopy. Tochilinite, magnetite and troilite were obtained in investigated samples. The dependences of ph...

    N. I. Chistyakova, V. S. Rusakov, T. V. Gubaidulina, S. V. Kozerenko in ICAME 2005 (2007)

  18. No Access

    Article

    Mössbauer investigations of natural and synthetic tochilinite and valleriite

    Samples of natural and synthetic tochilinites and valleriites were investigated by Mössbauer spectroscopy. Synthesis of tochilinite was carried out at different temperatures and Fe/Mg ratio in the initial mixt...

    N. I. Chistyakova, T. V. Gubaidulina, V. S. Rusakov in Czechoslovak Journal of Physics (2006)

  19. No Access

    Article

    Investigations of sulfide minerals with layered structure by Mössbauer spectroscopy methods

    Samples obtained as a result of the tochilinite synthesis process were investigated by 57Fe Mössbauer spectroscopy. Tochilinite, magnetite and troilite were obtained in investigated samples. The dependences of ph...

    N. I. Chistyakova, V. S. Rusakov, T. V. Gubaidulina… in Hyperfine Interactions (2005)