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Article
Magnetization and Magnetostriction of LaFe11.2 – хMnxCo0.7Si1.1 Alloys (x = 0.1, 0.2, 0.3) in Pulsed Magnetic Fields
The magnetization and magnetostriction of polycrystalline LaFe11.2 – хMnxCo0.7Si1.1 alloys (x = 0.1, 0.2, 0.3) were measured in pulsed magnetic fields up to 180 kOe in the temperature region of 80–270 K. The subs...
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Article
High frequency dependence of the magnetocaloric effect in the Ni47Mn40Sn13 alloy: direct measurement
This study presents the results of an investigation into the magnetocaloric effect (MCE) in the Ni47Mn40Sn13 alloy under the influence of alternating magnetic fields. The study examines the dependence of the MCE ...
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Article
Thermal and Magnetocaloric Properties of La0.7Sr0.3 – xBaxMnO3 Manganites
The results of studying the effect produced by the partial substitution of Sr2+ ions by Ba2+ ions on the thermophysical and magnetocaloric properties of La0.7Sr0.3 – xBaxMnO3 manganite (x = 0; 0.02; 0.05, and 0.1...
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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...
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Article
Thermal, Magnetic, and Magnetotransport Properties of a Rapidly Quenched Ni50Mn35Al2Sn13 Tape Sample
The heat capacity, thermal diffusivity, thermal conductivity, magnetization, and electrical resistance of the rapidly quenched Ni50Mn35Al2Sn13 alloy have been studied. Pronounced anomalies in the form of minima a...
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Article
Degradation of the Magnetocaloric Effect in Ni49.3Mn40.4In10.3 in a Cyclic Magnetic Field
The direct measurements of the magnetocaloric effect ΔTad in the Heusler alloy Ni49.3Mn40.4In10.3 have been carried out in cyclic magnetic fields with amplitudes to 8 T. The maximum values of the magnetocaloric e...
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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 ...
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Article
Heat capacity and the magnetocaloric effect in Pr0.6Sr0.4Mn1–x Fe x O3 manganite
The heat capacity and the magnetocaloric effect of Pr0.6Sr0.4Mn1–xFexO3(x = 0 and 0.1) manganite have been studied in the temperature range 80–350 K and magnetic fields to 18 kOe. The magnetocaloric effect is est...
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Article
Thermal physical properties of the La0.825Sr0.175MnO3 single crystals
The heat capacity (C P), the thermal diffusion (η), the thermal conductivity (κ), and the electrical resistance of the La0.825Sr0.175MnO3 single crystal have been measured in the t...
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Article
Magnetic, thermal, and electrical properties of an Ni45.37Mn40.91In13.72 Heusler alloy
The magnetization, the electrical resistivity, the specific heat, the thermal conductivity, and the thermal diffusion of a polycrystalline Heusler alloy Ni45.37Mn40.91In13.72 sample are studied. Anomalies, which ...
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Article
Effect of the ionic radius of A-cations on the magnetic and magnetocaloric properties of charge-ordered manganite La0.5Ca0.5–x Sr x MnO3 (0 < x < 0.5)
The effect of substitution of Sr2+ ions for Ca2+ ions on the magnetic and magnetocaloric properties of a charge-ordered La0.5Ca0.5MnO3 manganite has been studied. The direct and inverse magnetocaloric effects cor...
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Article
Specific heat and magnetocaloric effect of Pr1−x Ag x MnO3 manganites
This paper presents experimental results of the specific heat and magnetocaloric effect in Pr1−x Ag x MnO3 (x = 0.05–0.25) manganites. A maximum value of magnetic...
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Article
Influence of the granule size on the magnetocaloric properties of manganite La0.5Ca0.5MnO3
The influence of the granule size on the magnetic and magnetocaloric properties of ceramic sample of manganite La0.5Ca0.5MnO3 has been investigated. Anomalies indicating the coexistence of the ferromagnetic metal...
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Article
Influence of the isotopic substitution 16O → 18O on the magnetic, electrical, and thermal properties of manganite La0.8Ag0.1MnO3
The results of the influence of the isotopic substitution of oxygen 16O → 18O on the susceptibility, electrical resistance, heat capacity, and the magnetocaloric effect in univalently doped manganite La0.8Ag0.1Mn...
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Article
Thermal and electric conductivity of textured Ni-Cr-W alloy ribbon substrates for high-temperature superconductors
The electric and thermal conductivity, heat capacity, and thermal diffusivity of thin Ni87.8Cr9.3W2.9 alloy ribbons have been measured. It is established that samples with a cubic texture possess better conductin...
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Article
Influence of grain boundaries on resistivity of manganites La1 − x K x MnO3
Results of investigation of resistivity and magnetoresistance of manganites La1 − x K x MnO3 (x = 0.050–0.175) are presented. Behavior of resistivity ρ(T)...
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Article
Relationship between the magnetoresistance and the magnetocaloric effect in La1 − x Ag x MnO3 manganites
A generalized expression relating the magnetoresistance of manganites La1 − x Ag x MnO3 with the change in the magnetic entropy has been proposed. The cor...
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Article
Magnetocaloric properties of La1 − x KxMnO3 manganites
A technology for obtaining single-phase ceramic samples of La1 − x K x MnO3 manganites, as well as the dependence of their structure parameters on the pot...
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Article
Correlation of electrical, magnetic, and thermal properties of the La0.85Ag0.15MnO3 manganite near the phase transition temperature
The correlation between electrical, magnetic, and lattice properties of manganites has been studied by analyzing the temperature dependence of the electrical resistivity of the La0.85Ag0.15MnO3 manganite. The res...
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Article
Nanostructured multiferroic PbFe0.5Nb0.5O3 and its physical properties
Polycrystalline multiferroic PbFe0.5Nb0.5O3 (PFN) fabricated by a solid-phase method is studied. Before sintering, a synthesized PFN powder is processed in Bridgman anvils via a force action in combination with s...