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Article

Perovskite-like La_xSr_2−xTi_1−x/2Cu_x/2O₄ (x = 0.2, 0.3, 0.5) oxides with the K₂NiF₄-type structure active in visible light range: new members of the photocatalyst family

A layered perovskite-like oxides La_xSr_2−xTi_1−x/2Cu_x/2O₄ (x = 0.2, 0.3, 0.5) with a K₂NiF₄-type structure were obtained. The introduction of copper into the titanium sublattice reduces the band gap. Copper in thes...

T. I. Chupakhina, R. M. Eremina, O. I. Gyrdasova… in Journal of the Korean Ceramic Society (2024)

Article

Changes in the Kinetic Characteristics of Free Charge Carriers in a Narrow-Gap Pb_{1 –} _xGd_xTe Semiconductor under the Effect of the EPR of Gd³⁺ Ions

Unusual dependences of the line shape of the electron paramagnetic resonance (EPR) spectra of paramagnetic Gd³⁺ centers in crystals of the narrow-gap semiconductor Pb_{1 –} _xGd_xTe (x = 1.5 × 10^–4) on the temperature...

V. A. Ulanov, R. R. Zainullin, I. V. Yatsyk… in Bulletin of the Russian Academy of Science… (2023)

Article

Magnetic Properties of the Double Perovskite Sr₂CrNbO₆

A double perovskite Sr₂CrNbO₆ powder compound was studied by using X-ray diffraction, AC and DC magnetization, and ESR measurements. Two transitions in antiferromagnetically ordered regimes were observed through ...

D. V. Popov, R. G. Batulin, M. A. Cherosov… in Journal of Experimental and Theoretical Ph… (2023)

Article

Magnetic Properties of La_0.81Sr_0.19Mn_0.9Fe_0.1−xZn_xO₃ (x = 0, x = 0.05)

Magnetic properties of polycrystalline La_0.81Sr_0.19Mn_0.9Fe_0.1−xZn_xO₃ (x = 0, 0.05) have been investigated by means of electron spin resonance, magnetic susceptibility, and Mössbauer measurements. Both samples sho...

R. M. Eremina, I. V. Yatsyk, Z. Y. Seidov, F. G. Vagizov… in Applied Magnetic Resonance (2023)

Article

Hyperfine effects and electron spin relaxation of ⁵¹V⁴⁺ doped into scandium orthosilicate Sc₂²⁸SiO₅: CW and pulsed X-band electron spin resonance studies

The scandium orthosilicate monocrystal Sc₂²⁸SiO₅ (SSO) doped with ⁵¹V isotope in small concentrations (0.005% at.) was studied. We used continuous wave (CW) and pulsed electron spin resonance (ESR) methods with f...

R. F. Likerov, R. M. Eremina, I. V. Yatsyk, K. B. Konov… in Applied Magnetic Resonance (2023)

Article

Magnetic Phase Separation in Double Perovskite Sr₂TiMnO_5.87

The double perovskite Sr₂TiMnO_5.87 was synthesized via the solution combustion precursor method using Sr(NO₃)₂, MnO₂, i-Ti(OC₃H₇)₄, and disubstituted ammonium citrate as a complexing agent. The crystal structure ...

D. V. Popov, I. V. Yatsyk, R. G. Batulin, M. A. Cherosov… in Applied Magnetic Resonance (2023)

Article

Giant Anisotropy of the ESR Linewidths of Mn²⁺ Centers in Pb_{1 – x}Mn_xS and Pb_{1 – x – y}Cu_yMn_xS (x = 0.002, y = 0.002) Narrow-Gap Semiconductors

Giant anisotropy of the X-band electron spin resonance linewidths at the electronic transitions (|±5/ $\left. 2 \right\rangle $ ...

V. A. Ulanov, R. R. Zainullin, I. V. Yatsyk… in Bulletin of the Russian Academy of Science… (2022)

Article

Unusual Dependence of the Shape of Lines in the Electron Paramagnetic Resonance Spectra of Gd³⁺ Ions in a Pb_1−xGd_xS Semiconductor on Microwave Power: Shape Parameters and One Possible Nature of the Effect

Electron paramagnetic resonance (EPR) spectroscopy reveals an unusual dependence of the shape of resonant lines of Gd³⁺ centers on the level of microwave power in the spectrometer’s cavity at temperature T = 4.2 ...

V. A. Ulanov, R. R. Zainullin… in Bulletin of the Russian Academy of Science… (2021)

Article

Mutual Dependence of the Properties of Mn²⁺ and Gd³⁺ Impurity Ions in Narrow-Band Semiconductor Pb_{1 –} _x _– _y _– _zCu_xMn_yGd_zS: A Spectroscopic Study of Electron Paramagnetic Resonance

EPR spectroscopy reveals a pronounced magnetoresistive effect in samples of mixed $${\text{P}}{{{\text{b}}}_{{1 - x - y - z}}}{\text{C...

V. A. Ulanov, R. R. Zainullin, I. V. Yatsyk… in Bulletin of the Russian Academy of Science… (2021)

Article

Effect of Iron Do** on Structural, Magnetic, and Electrical Characteristics of Manganites in La_0.7Sr_0.3Mn_0.9Zn_{0.1 –}_xFe_xO₃ (0 ≤ x ≤ 0.1) System

Experimental data on the structure and properties of manganites of La_0.7Sr_0.3Mn_0.9Zn_{0.1 –}_xFe_xO₃ (0 ≤ x ≤ 0.1) system synthesized by ceramic processing and annealed under conditions ensuring the achievement of sto...

A. G. Badelin, V. K. Karpasyuk, D. I. Merkulov… in Inorganic Materials: Applied Research (2020)

Article

The Oscillations in ESR Spectra of Mn_0.11Hg_0.89Te in X- and Q-Bands

The object of the investigation was n-type mercury chalcogenide (Mn_0.11Hg_0.89Te) monocrystal which was grown by crystallization from a two-phase mixture with replenishment of the melt from a tellurium solution. T...

A.V. Shestakov, I. I. Fazlizhanov, I. V. Yatsyk, M. I. Ibragimova… in Semiconductors (2018)

Article

ESR and Mössbauer Spectroscopic Study of Sr-Doped Ytterbium Ferromanganites

In this paper, we have studied the crystal structure of strontium-substituted manganite and ytterbium ferromanganites Yb_0.82Sr_0.18Mn_{1 – x}Fe_xO₃ (x = 0–0.2) by using X-ray diffra...

I. I. Nigmatullina, V. V. Parfenov, R. M. Eremina… in Physics of the Solid State (2018)

Article

EPR-Determined Anisotropy of the g-Factor and Magnetostriction of a Cu₂MnBO₅ Single Crystal with a Ludwigite Structure

Electron paramagnetic resonance (EPR) and magnetostriction of the Cu₂MnBO₅ single crystal have been studied. The EPR spectrum consists of a single Lorentzian line due to the exchange-coupled system of spins of Cu

A. A. Dubrovskiy, M. V. Rautskii, E. M. Moshkina, I. V. Yatsyk… in JETP Letters (2017)

Article

Effect of the valence state of ce ions on the phase stability and mechanical properties of the crystals of ZrO₂-based solid solutions

The structure and mechanical properties of the crystals of solid solutions of zirconium dioxide, which are stabilized by yttrium and cerium oxides, have been studied. The electron paramagnetic resonance techni...

M. A. Borik, V. T. Bublik, R. M. Eremina, A. V. Kulebyakin… in Physics of the Solid State (2017)

Article

ESR Study of Y₂SiO₅:Nd¹⁴³ Isotopically Pure Impurity Crystals for Quantum Memory

Two Y₂SiO₅ single crystals doped with 0.001 at.% of the ¹⁴³Nd³⁺ ion (sample I containing the only ²⁸Si isotope) and (sample II with the natural abundance of silicon isotopes) were studied using magnetic resonance...

A. A. Sukhanov, V. F. Tarasov, R. M. Eremina, I. V. Yatsyk… in Applied Magnetic Resonance (2017)

Article

Magnetic Resonance Investigations of h-YbMnO₃

Polycrystalline samples of ytterbium manganites have been synthesized with deficiency of Yb³⁺ ions. The X-ray analysis showed that the structure of the sample is hexagonal (h-YbMnO₃) with the space group P6₃cm. T...

R. M. Eremina, T. P. Gavrilova, I. V. Yatsyk, R. B. Zaripov… in Applied Magnetic Resonance (2016)

Article

Magnetic properties of (SrFe₁₂O₁₉)_x(CaCu₃Ti₄O₁₂)_1–x composites

New composite materials (SrFe₁₂O₁₉)_x(CaCu₃Ti₄O₁₂)_1–x (x = 0, 0.05, 1) have been synthesized. Their magnetic properties are studied in the tempe...

R. M. Eremina, K. R. Sharipov, I. V. Yatsyk… in Journal of Experimental and Theoretical Ph… (2016)

Article

EPR Detection of Iron Storage in Rat Tissues After Simulated Microgravity Model

By a method of spectroscopy of electron paramagnetic resonance the tissues of rats after exposure of microgravity simulation (model of hindlimb unloading) were investigated. In the tissues of heart, lung, live...

S. V. Yurtaeva, V. N. Efimov, G. G. Yafarova, A. A. Eremeev… in Applied Magnetic Resonance (2016)

Article

EPR spectra of a GdMnO₃ thin film on a SrTiO₃ substrate

Electron paramagnetic resonance (EPR) spectra of a GdMnO₃/SrTiO₃ thin film in the X band have been measured in the temperature interval from 200 to 450 K. Signals from two types of paramagnetic centers have been ...

T. P. Gavrilova, R. M. Eremina, I. V. Yatsyk, I. I. Fazlizhanov… in JETP Letters (2013)

Article

Temperature features of the EPR spectrum of GdMnO₃: Single crystal and thin film GdMnO₃/LaAlO₃

Electron paramagnetic resonance (EPR) spectra of GdMnO₃ single crystal and GdMnO₃/LaAlO₃ thin film are measured at Q-band frequency in the temperature range of 4.2 to 300 K. The temperature dependence of paramete...

I. V. Yatsyk, D. V. Mamedov… in Bulletin of the Russian Academy of Science… (2013)

23 Result(s)

Perovskite-like La_xSr_2−xTi_1−x/2Cu_x/2O₄ (x = 0.2, 0.3, 0.5) oxides with the K₂NiF₄-type structure active in visible light range: new members of the photocatalyst family

Changes in the Kinetic Characteristics of Free Charge Carriers in a Narrow-Gap Pb_{1 –} _xGd_xTe Semiconductor under the Effect of the EPR of Gd³⁺ Ions

Magnetic Properties of the Double Perovskite Sr₂CrNbO₆

Magnetic Properties of La_0.81Sr_0.19Mn_0.9Fe_0.1−xZn_xO₃ (x = 0, x = 0.05)

Hyperfine effects and electron spin relaxation of ⁵¹V⁴⁺ doped into scandium orthosilicate Sc₂²⁸SiO₅: CW and pulsed X-band electron spin resonance studies

Magnetic Phase Separation in Double Perovskite Sr₂TiMnO_5.87

Giant Anisotropy of the ESR Linewidths of Mn²⁺ Centers in Pb_{1 – x}Mn_xS and Pb_{1 – x – y}Cu_yMn_xS (x = 0.002, y = 0.002) Narrow-Gap Semiconductors

Unusual Dependence of the Shape of Lines in the Electron Paramagnetic Resonance Spectra of Gd³⁺ Ions in a Pb_1−xGd_xS Semiconductor on Microwave Power: Shape Parameters and One Possible Nature of the Effect

Mutual Dependence of the Properties of Mn²⁺ and Gd³⁺ Impurity Ions in Narrow-Band Semiconductor Pb_{1 –} _x _– _y _– _zCu_xMn_yGd_zS: A Spectroscopic Study of Electron Paramagnetic Resonance

Effect of Iron Do** on Structural, Magnetic, and Electrical Characteristics of Manganites in La_0.7Sr_0.3Mn_0.9Zn_{0.1 –}_xFe_xO₃ (0 ≤ x ≤ 0.1) System

The Oscillations in ESR Spectra of Mn_0.11Hg_0.89Te in X- and Q-Bands

ESR and Mössbauer Spectroscopic Study of Sr-Doped Ytterbium Ferromanganites

EPR-Determined Anisotropy of the g-Factor and Magnetostriction of a Cu₂MnBO₅ Single Crystal with a Ludwigite Structure

Effect of the valence state of ce ions on the phase stability and mechanical properties of the crystals of ZrO₂-based solid solutions

ESR Study of Y₂SiO₅:Nd¹⁴³ Isotopically Pure Impurity Crystals for Quantum Memory

Magnetic Resonance Investigations of h-YbMnO₃

Magnetic properties of (SrFe₁₂O₁₉)_x(CaCu₃Ti₄O₁₂)_1–x composites

EPR Detection of Iron Storage in Rat Tissues After Simulated Microgravity Model

EPR spectra of a GdMnO₃ thin film on a SrTiO₃ substrate

Temperature features of the EPR spectrum of GdMnO₃: Single crystal and thin film GdMnO₃/LaAlO₃

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