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  1. No Access

    Article

    Study of SERS-Active Magnetite Nanoparticles with a Silver Shell

    The characteristics and solution behavior of magnetite nanoparticles coated with silver by two methods were studied. The intensity of the signal and the stability of the sorption of methyl violet upon magnetiz...

    D. A. Gribanyov, E. Yu. Postnova… in Bulletin of the Russian Academy of Science… (2024)

  2. No Access

    Article

    Evolution of Defects during Cold Rolling of Low-Alloy Molybdenum Alloys

    This experimental work briefly describes the technology of multiple electron-beam melting to produce low-alloy molybdenum alloys with other carbide-forming elements and carbon. Two new alloys described here al...

    B. A. Gnesin, M. I. Karpov, I. M. Aristova, I. B. Gnesin… in Russian Metallurgy (Metally) (2023)

  3. No Access

    Article

    The Change in the Radius of a First Coordination Sphere in Amorphous Alloys under Deformation

    Changes in the structure of amorphous alloys under deformation by high-pressure torsion, multiple-pass rolling, and pressure treatment have been studied using X-ray diffraction and scanning electron microscopy...

    G. E. Abrosimova, V. V. Astanin, N. A. Volkov… in Physics of Metals and Metallography (2023)

  4. No Access

    Article

    Formation and Growth of Grain Boundary (αTi) Layers and Their Hardness in Ti–Cr Alloys

    The structure of Ti–2 wt % Cr, Ti–4 wt % Cr, and Ti–5.5 wt % Cr alloys, annealed under conditions corresponding to the two-phase region (α + β) of the Ti–Cr phase diagram, is studied using scanning electron mi...

    A. S. Gornakova, N. S. Afonikova… in Journal of Surface Investigation: X-ray, S… (2022)

  5. No Access

    Article

    The Peculiarities of the Spectral Characteristics of Different Lu1 – xRExBO3 Structural Modifications

    The structure, the IR absorption spectra, and the luminescence spectra of microcrystals of orthoborates Lu1 – xEuxBO3, Lu0.99 – xTbxEu0.01BO3, and Lu0.99 – xYxEu0.01BO3 with 0 < x < 0.25 synthesized at 970°C have...

    S. Z. Shmurak, V. V. Kedrov, A. P. Kiselev, T. N. Fursova… in Physics of the Solid State (2021)

  6. No Access

    Article

    Surface and Structure of Amorphous Alloys after Pressure Treatment

    The surface morphology of amorphous alloys Co65Si12B9Ni10Nb4, Co67Si12B9Fe7Nb5, Co79Si12B9, Co67Fe5B20Nb8, Co67Si13B9Fe1Mn4, and Co56Fe16B20Ti8 exposed to a pressure of 5 GPa is studied by scanning electron micro...

    E. Yu. Postnova, G. E. Abrosimova… in Journal of Surface Investigation: X-ray, S… (2021)

  7. No Access

    Article

    Evolution of Spectral and Structural Characteristics of Orthoborates Lu0.99 – xGdxEu0.01BO3

    The structure, IR absorption and luminescence spectra of solid solutions of Lu0.99 ‒ xGdxEu0.01BO3 at 0 ≤ x ≤ 0.15 were studied. The correspondence between the structure and spectral characteristics of these comp...

    S. Z. Shmurak, V. V. Kedrov, A. P. Kiselev, T. N. Fursova… in Physics of the Solid State (2021)

  8. Article

    Open Access

    Fabrication of [001]-oriented tungsten tips for high resolution scanning tunneling microscopy

    The structure of the [001]-oriented single crystalline tungsten probes sharpened in ultra-high vacuum using electron beam heating and ion sputtering has been studied using scanning and transmission electron mi...

    A. N. Chaika, N. N. Orlova, V. N. Semenov, E. Yu. Postnova… in Scientific Reports (2014)

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