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Article
Enhancement of the magnetoelectric effect in the Bi2Fe4O9/BiFeO3 composite as a result of dipole and migration polarization in mullite
The effect of the size of Bi2Fe4O9 and BiFeO3 nanoparticles on the magnetoelectric interaction in the Bi2Fe4O9/BiFeO3 composite with a percentage ratio of 67/33 has been studied. The electrostriction and electric...
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Article
Magnetoresistance and magnetoimpedance in holmium manganese sulfides
The structure, transport characteristics, real and imaginary parts of the impedance components and electric polarization of the HoXMn1−XS (X = 0.1 and 0.2) system have been investigated in the temperature range o...
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Article
Electrical Properties of the Polycrystalline BiFe0.95Co0.05O3 Films
Semiconductor BiFe0.95Co0.05O3 thin-film compounds have been synthesized by a burst technique. The film surface morphology and the effect of electronic do** via substitution of cobalt ions for trivalent iron on...
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Article
Effect of Electron and Hole Do** on the Transport Characteristics of Chalcogenide Systems
The electrical properties of the Ag0.01Mn0.99S and Tm0.01Mn0.99S semiconductor compounds and the Hall effect in them have been investigated in the temperature range of 80–400 K in a magnetic field of 12 kOe. Usin...
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Article
Magnetotransport Effects and Electronic Phase Separation in Manganese Sulfides with Electron–Hole Do**
We analyze the effect of electron and hole do** with a low substituent concentration (x = 0.01) on the magnetic and electron subsystems in disordered semiconductors MexMn1 – xS (Me = Ag and Tm) in a wide range ...
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Article
Magnetic Properties of Bismuth Pyrostannate Doped with 3D Ions
The effect of substitution of Cr3+ and Mn4+ ions for tin in bismuth pyrostannate on the magnetic properties of the compound has been investigated. The interrelation between the magnetic, dielectric, and electrica...
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Article
Magnetoresistive effect in the cobalt-doped bismuth ferrite films
Bismuth ferrite films have been synthesized by the burst-mode deposition of the BiFe0.8Co0.2O3 solid solutions onto object glasses. The surface morphology of the BiFe0.8Co0.2O3 films has been examined. The effect...
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Article
Magnetic, dielectric, and transport properties of bismuth pyrostannate Bi2(Sn0.9Mn0.1)2O7
The effect of replacing manganese ions on the structural, dielectric, transport, and magnetic properties of Bi2(Sn0.9Mn0.1)2O7 has been studied and the correlation between them has been determined. The change in ...
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Article
Correlation of the magnetic and transport properties with polymorphic transitions in bismuth pyrostannate Bi2(Sn1 − x Cr x )2O7
The correlation of the electrical, magnetic, and structural properties of Bi2(Sn1 − x Cr x )2O7 solid solutions has been investigated for two comp...
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Article
Dielectric and electrical properties of polymorphic bismuth pyrostannate Bi2Sn2O7
The Bi2Sn2O7 compound existing simultaneously in two polymorphic modifications, namely, orthorhombic and cubic, has been synthesized for the first time by solid-phase synthesis. The dielectric and electrical prop...
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Article
Magnetic and resonance properties of Bi24(CoBi)O40
Temperature and field dependences of the magnetic moment in the temperature range 4 K < T < 300 K and electron spin resonance linewidths and the g-factor in the temperature range 80 K < T < 300 K for the Bi24(CoB...
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Article
Synthesis, crystal structure, and magnetic properties of a Li8FeSm22O38 single crystal
Li8FeSm22O38 single crystals have been grown by spontaneous flux crystallization, and their structure has been identified by X-ray diffraction analysis as follows: cubic crystals, a = 11.9078(5) Å, sp.gr. ...
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Article
Magnetic and electrical properties of bismuth cobaltite Bi24(CoBi)O40 with charge ordering
The compound Bi24(CoBi)O40 has been synthesized using the solid-phase reaction method. The temperature and field dependences of the magnetic moment in the temperature range 4 K < T < 300 K and the temperature dep...
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Article
Synthesis, crystal structure, and magnetic properties of the Li8FeSm22O38 single crystal
New single crystals of Li8FeSm22O38 have been grown by spontaneous crystallization from a solution in melt. The structure of these crystals has been determined: it corresponds to the space group Im ...
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Article
Magnetic properties of aerugite Co10Ge3O16
This paper reports on the first study of the temperature and field dependences of the magnetization, heat capacity, and electrical properties of synthesized polycrystalline samples of aerugite Co10Ge3O16, as well...
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Article
NMR-Study of the Crystalline and Amorphous CuB2O4
11B nuclear magnetic resonance (NMR) spectroscopy was applied to study the crystalline, amorphous and crystallizing from an amorphous states of copper metaborate. The occurrence of trigonal BO3 u...
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Article
IR and NMR Spectra of Crystalline and Amorphous Copper Metaborate
IR and NMR spectroscopic investigations of crystalline and amorphous copper metaborate CuB 2 O 4 as well as of copper metaborate crystallize...
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Article
Synthesis and Magnetic Properties of Crystalline and Amorphous CuB2O4
Single-crystal and amorphous CuB2O4 samples are prepared, and their magnetic properties (temperature-dependent susceptibility and magnetic resonance) are compared. Crystalline CuB2O4 has a small magnetic moment i...
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Article
Theory of enhanced hyper-Raman scattering from inhomogeneous semiconductor surfaces: Effects of carrier scattering and spatial dispersion
We present the theory of hyper-Raman scattering of light (HRS) from lattice vibrations in an inhomogeneous surface region of a semiconductor. Inhomogeneities due to surface band bending associated with carrier...
