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  1. No Access

    Article

    Advanced Non-Contact Optical Methods for Measuring the Magnetocaloric Effect

    Accurate measuring the temperature of materials, especially in high pulsed and alternating magnetic fields, represents a major challenge in magnetic and, in particular, magnetocaloric research. The disadvantag...

    A. P. Kamantsev, A. A. Amirov, D. M. Yusupov… in Physics of Metals and Metallography (2023)

  2. No Access

    Article

    Magnetocaloric Effect in La(Fe,Mn,Si)13Hx Based Composites: Experiment and Theory

    Samples of composites with different porosity and surface roughness based on LaFe11.4Mn0.3Si1.3H1.6 (LFMSH) alloy powders were obtained, their magnetocaloric properties were studied by the direct method in cyclic...

    A. P. Kamantsev, A. A. Amirov, D. M. Yusupov… in Physics of Metals and Metallography (2023)

  3. No Access

    Article

    Magnetocaloric Effect in the Laves Phase of GdNi2 in Strong Magnetic Fields

    Experimental studies of the magnetic and magnetocaloric properties of the Laves phase of GdNi2 have been carried out in external static up to 3 T and pulsed up to 50 T magnetic fields. It has been found that in a...

    M. V. Utarbekova, M. A. Orshulevich… in Journal of Communications Technology and E… (2023)

  4. No Access

    Article

    Inverse Magnetocaloric Effect in Mn5Si3 Compound

    A direct method was used to study the magnetocaloric effect (MCE) for samples of the compound Mn5Si3 under adiabatic conditions in magnetic fields up to 2 T at cryogenic temperatures in the range from 25 to 125 K...

    A. S. Kuznetsov, A. V. Mashirov… in Journal of Communications Technology and E… (2023)

  5. No Access

    Article

    Magnetocaloric Materials for Low-Temperature Magnetic Cooling

    State of research in the study of magnetocaloric materials based on rare-earth metals that are promising for application in the technology of low-temperature magnetic cooling is reviewed. Physical principles a...

    Yu. S. Koshkid’ko, E. T. Dilmieva… in Journal of Communications Technology and E… (2023)

  6. No Access

    Article

    Inverse Magnetocaloric Effect and Kinetic Arrest Behavior in As-Cast Gd2In at Cryogenic Temperatures

    The magnetocaloric effect (MCE) in samples of the Gd2In compound has been studied by the direct method in temperature range of 4–240 K in magnetic fields of Bitter coil up to 14 T. The maximum detected value of t...

    A. P. Kamantsev, Yu. S. Koshkidko… in Journal of Superconductivity and Novel Mag… (2022)

  7. No Access

    Article

    Magnetocaloric Effect and Magnetization of Gadolinium in Quasi-Stationary and Pulsed Magnetic Fields up to 40 kOe

    This study is aimed at develo** new experimental methods for investigating the magnetic and thermodynamic properties of solid magnetic materials near phase transitions in high magnetic fields with the use of...

    A. P. Kamantsev, V. V. Koledov, V. G. Shavrov… in Physics of Metals and Metallography (2022)

  8. No Access

    Article

    Dynamics of the magnetocaloric effect in cyclic magnetic fields in Ni50Mn35Al2Sn13 ribbon sample

    The dynamics of the magnetocaloric effect (MCE) in a ribbon sample Ni50Mn35Al2Sn13 in a cyclic magnetic field of 1.8 T was studied by a direct method. It was shown that near magnetostructural phase transition (MS...

    A. G. Gamzatov, A. M. Aliev, A. B. Batdalov… in Journal of Materials Science (2021)

  9. No Access

    Article

    Surface Energy upon the Martensitic Phase Transition in Microsized Samples of Ni–Mn–Ga–Cu Heusler Alloy

    Thermodynamic potentials are used to describe a shift in the characteristic temperature of the magnetostructural phase transition in samples thinned to micrometer and nanometer dimensions. Allowing for the val...

    A. V. Mashirov, A. P. Kamantsev… in Bulletin of the Russian Academy of Science… (2021)

  10. No Access

    Article

    Distribution of Mn2+ Manganese Ions in a Single Crystal of the Lithium–Gallium Li0.5Ga2.5O4 Spinel

    A self-organization of eight structurally and magnetically nonequivalent positions of manganese Mn2+ ions in the unit cell of a single crystal of the lithium–gallium Li0.5Ga2.5O4 spinel is demonstrated. These ion...

    V. V. Shapovalov, V. A. Shapovalov, V. G. Shavrov… in Physics of the Solid State (2021)

  11. No Access

    Article

    Shape Memory Effect in Microsize Sample of Ni–Mn–Ga–Cu Heusler Alloy

    The shape memory effect is demonstrated in a ferromagnetic microsample of the Ni50Mn18.5Ga25Cu6.5 Heusler alloy. The 23 × 1.28 × 4-μm microsample has been fabricated using the technology of a focused ion beam. Th...

    A. V. Mashirov, A. V. Irzhak, A. V. Koshelev, N. V. Andreev… in Physics of the Solid State (2020)

  12. No Access

    Article

    Diffraction of a Plane Electromagnetic Wave by a VO2 Microsphere in the Phase Transition Region

    We present the results of diffraction studies and the electromagnetic (EM) field distribution in a microsphere of vanadium dioxide (VO2) before and after the metal–semiconductor phase transition (MSPT) is present...

    I. V. Bychkov, D. A. Kuzmin, V. A. Tolkachev, A. P. Kamantsev… in Physics of the Solid State (2020)

  13. No Access

    Article

    Magnetocaloric and Shape Memory Effects in the Mn2NiGa Heusler Alloy

    The results of investigation of functional characteristics of the Mn2NiGa Heusler alloy prepared by argon-arc melting are presented. Its electric resistance, magnetization, magnetocaloric and shape memory effects...

    A. P. Kamantsev, Yu. S. Koshkid’ko, E. O. Bykov… in Physics of the Solid State (2020)

  14. No Access

    Article

    Magnetocaloric Effect in Alloy Fe49Rh51 in Pulsed Magnetic Fields up to 50 T

    Magnetocaloric effect (MCE) in pulsed magnetic fields up to 50 T was directly studied in alloy Fe49Rh51. An inverse MCE ΔT ≈ –8 K is observed at different initial temperatures around the metamagnetic phase transi...

    A. P. Kamantsev, A. A. Amirov, Yu. S. Koshkid’ko… in Physics of the Solid State (2020)

  15. No Access

    Article

    Surface Mode in a Spin-Wave Resonance Spectrum of La0.67Ca0.33MnO3 Manganite Film with Elastic Deformation

    The spin-wave resonance spectrum is a characteristic of a magnetic film. The surface mode of this spectrum depends on the magnitude and nature of the stress state of the surface layer of the film. Parameters o...

    V. A. Shapovalov, V. G. Shavrov, A. P. Kamantsev in Physics of the Solid State (2019)

  16. No Access

    Article

    Magnetostriction of (YSmLuCa)3(FeGa)5O12 Garnet Films by the Low-Frequency Magnetic Susceptibility Method

    Certification of new magnetic materials requires high-precision nondestructive methods. The method of measuring the magnetostriction constant of films by studying low-frequency magnetic susceptibility at elast...

    V. A. Shapovalov, V. V. Kononenko, V. G. Shavrov… in Physics of the Solid State (2018)

  17. No Access

    Article

    Magnetocaloric Effect and Magnetostriction in a Ni49.3Mn40.4In10.3 Heusler Alloy in AC Magnetic Fields

    The magnetocaloric effect (MCE) and the magnetostriction in the Ni49.3Mn40.4In10.3 Heusler alloy have been measured in ac magnetic fields to 8 T. It is shown that the contributions of the magnetic and structural ...

    L. N. Khanov, A. B. Batdalov, A. V. Mashirov, A. P. Kamantsev… in Physics of the Solid State (2018)

  18. No Access

    Article

    Delay Effect for Pulsed Excitation of Actuator Based on Rapidly Quenched Ti2NiCu Alloy with Thermoelastic Martensitic Transformation

    The pulse response of the actuator based on rapidly quenched Ti2NiCu alloy with a thermoelastic martensitic transformation and the shape memory effect is studied experimentally. The mechanical response of the act...

    R. A. Antonov, A. P. Kamantsev, V. V. Koledov, L. V. Koledov… in Physics of the Solid State (2018)

  19. No Access

    Article

    High-Speed Composite Microactuator Based on Ti2NiCu Alloy with Shape Memory Effect

    Samples of microactuators are made of a bimorph composite of Ti2NiCu alloy with a thermoelastic martensitic transition and the shape memory effect, and their response rate is investigated. The active layer of the...

    D. S. Kuchin, P. V. Lega, A. P. Orlov, A. V. Frolov… in Physics of the Solid State (2018)

  20. No Access

    Article

    Formation of a martensitic twins structure in Ni2.16Mn0.84Ga heusler alloy by high magnetic fields under adiabatic and isothermal conditions

    The results are presented from experimental studies of the formation of martensitic twin structures in Ni2.16Mn0.84Ga Heusler alloy under the effect of magnetic fields of up to 14 T using a specially developed op...

    E. T. Dilmieva, Y. S. Koshkid’ko… in Bulletin of the Russian Academy of Science… (2017)

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