24 Result(s)
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Article
Observation of Magnetic-Field-Induced Electric Polarization in Terbium Orthoferrite
In TbFeO3 orthoferrite at temperatures below the antiferromagnetic ordering temperature for the terbium subsystem (∼3.2 K), the electric polarization Pa(Hb) induced by a magnetic field Hb along the a axis is foun...
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Article
Magnetoelectric effect in ytterbium aluminum borate YbAl3(BO3)4
The anisotropic magnetoelectric properties of an ytterbium aluminum borate YbAl (BO single crystal having noncentrosymmetric crystal structure (space group R32) are studied, including the orientational, field,...
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Article
Magnetic and magnetoelectric properties of substituted M-type SrSc x Fe12 – x O19 hexaferrites
The anisotropic magnetic and magnetoelectric properties of single crystals of substituted M-type SrSc x Fe12 – x O19 (x = 1.4–1.7) hexaferrites ar...
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Article
Magnetic and magnetoelectric properties of M-type substitution hexaferrites TSc x Fe12 − x O19 (T = Ba, Sr)
Single crystals of M-type substitution hexaferrites BaSc x Fe12 − x O19 and SrSc x Fe12 − x O19 (x = 1.3–1.7) ha...
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Article
Spontaneous reorientation of the electric polarization in Eu1 − x Ho x MnO3 multiferroics
The magnetic, dielectric, and ferroelectric properties of Eu1 − x Ho x MnO3 single crystals (0 < x ≤ 0.5), where magnetic ordering can be varied from the canted a...
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Article
Magnetoelectric and magnetoelastic properties of easy-plane ferroborates with a small ionic radius
The magnetic, magnetoelectric, and magnetoelastic properties of RFe3(BO3)4 ferroborates are studied. The measurement of the field dependences of the magnetoelectric polarization along the a axis in holmium ferrob...
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Article
Effects of the interaction between R and Fe modes of the magnetic resonance in RFe3(BO3)4 rare-earth iron borates
Resonance modes that are due to magnetic excitations in the exchange-coupled subsystems of rare-earth ions (R = Nd3+, Sm3+, and Gd3+) and Fe3+ ions have been detected in submillimeter transmission spectra (0.1–0....
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Article
Antiferromagnetic resonance and dielectric properties of rare-earth ferroborates in the submillimeter frequency range
The magnetoresonance and dielectric properties of a number of crystals of a new family of multiferroics, namely, rare-earth ferroborates RFe3(BO3)4 (R = Y, Eu, Pr, Tb, Tb0.25Er0.75), are studied in the sub-millim...
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Article
Colossal magnetodielectric effect in SmFe3(BO3)4 multiferroic
The colossal (more than threefold) decrease in the dielectric constant ɛ in the easy-plane SmFe3(BO3)4 ferroborate in a magnetic field of ∼5 kOe applied in the basal ab plane of the crystal has been found. A clos...
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Article
Peculiarities in the magnetic, magnetoelectric, and magnetoelastic properties of SmFe3(BO3)4 multiferroic
Results of a complex investigation of the magnetic, magnetoelectric, and magnetoelastic properties of a SmFe3(BO3)4 single crystal are presented. Samarium iron borate is similar to another easy-plane iron borate,...
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Article
Magnetic and dielectric properties of orthorhombic and hexagonal multiferroics Tb1 − x Y x MnO3
The transition from a stable orthorhombic structure to a hexagonal structure has been revealed in Tb1−x Y x MnO3 multiferroics at x = 0.2–0.4. It has been...
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Article
Magnetic and ferroelectric properties of exchange-frustrated multiferroics (Ni1 − x T x )3V2O8 (T = Co, Mn, Zn)
The effect of the substitution of Co2+, Mn2+, and Zn2+ ions for Ni2+ ions on the magnetic, dielectric, and ferroelectric properties of vanadate single crystals (Ni1 − x T ...
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Article
Magnetic anisotropy and magnetoelectric properties of Tb1 − x Er x Fe3(BO3)4 ferroborates
Magnetic and magnetoelectric properties of ferroborate single crystals with complex composition (Tb1 − x Er x Fe3(BO3)4, x = 0, 0.75) and with competing e...
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Article
On the effect of inhomogeneous magnetoelectric (flexomagnetoelectric) interaction on the spectrum and properties of magnons in multiferroics
The features of the magnon spectrum in easy-plane multiferroics (such as BiFeO3), which allow inhomogeneous magnetoelectric (flexomagnetoelectric) interaction P[(L∇)L − LdivL], where L and P are the antiferromagn...
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Article
Observation of spontaneous spin reorientation in Nd1 − x Dy x Fe3(BO3)4 ferroborates with a competitive R-Fe exchange
The magnetic, magnetoelectric, and magnetoelastic properties of DyFe3(BO3)4 single crystals and the Nd0.75Dy0.25Fe3(BO3)4 substituted compound with the competitive Nd-Fe and Dy-Fe exchange interactions have been ...
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Article
Magnetoelectric interactions and phase transitions in a new class of multiferroics with improper electric polarization
Symmetry analysis of magnetoelectric interactions in rare-earth orthoferrites and orthochromites has been performed. It has been shown that symmetry allows the appearance of spontaneous electric polarization o...
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Article
Influence of the ground state of the Pr3+ ion on magnetic and magnetoelectric properties of the PrFe3(BO3)4 multiferroic
The magnetic, magnetoelectric, and magnetoelastic properties of a PrFe3(BO3)4 single crystal and the phase transitions induced in this crystal by the magnetic field are studied both experimentally and theoretical...
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Article
Magnetoelectric phenomena in manganites R0.6Ca0.4MnO3(R = Pr, Nd) with charge ordering suppressed by a magnetic field
A change in electric polarization (up to 300 μC/m2) upon magnetic-field suppression of a charge-ordered antiferromagnetic state upon a transition to the ferromagnetic conducting phase (H c...
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Article
Switching of spontaneous electric polarization in the DyMnO3 multiferroic
For the DyMnO3 multiferroic with a modulated magnetic structure, switching of its spontaneous electric polarization (P ‖ c axis) near the ferroelectric transition (T < T ...
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Article
Observation of electric polarization in Gd1−x SrxMnO3 (x = 0.5, 0.6, 0.7) single crystals
In Gd1−x SrxMnO3 (x = 0.5, 0.6, 0.7) single crystals, a change in electric polarization (ΔP ∼ 100 μK/m2) is found to accompany the suppression of the charge-ordered spin-glass state and the transition to the ferr...
