58 Result(s)

within R. Szymczak Physics

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Article

Role of the Cluster Structure of Amorphous Fe₆₇Cr₁₈B₁₅ Alloy in Magnetism and in the Changing of Electron Scattering Mechanisms under the Influence of Ion (Ar⁺) Irradiation

The contribution of clusters of different sizes to magnetism and the switching of electron scattering mechanisms in amorphous Fe₆₇Cr₁₈B₁₅ alloy during ion Ar⁺ irradiation is studied. The cluster magnetism is foun...

V. D. Okunev, Z. A. Samoilenko, R. Szymczak… in Journal of Experimental and Theoretical Ph… (2018)
Article

Effect of gas–liquid–crystal transitions in oxygen clusters on electric and magnetic activity of localized states in In₂O₃–SrO ceramic

It has been shown that the overlap of tails of the density of states of the valence and conduction bands leads to the formation of a “negative” gap in the In₂O₃–SrO ceramic with disordered structure and oxygen cl...

V. D. Okunev, R. Szymczak, H. Szymczak, P. Aleshkevych, A. B. Glot… in JETP Letters (2015)
Article

Erratum to: “Magnetic and electrical properties of the ZnGeAs₂: Mn chalcopyrite”

L. I. Koroleva, V. Yu. Pavlov, D. M. Zashchirinskii… in Physics of the Solid State (2014)

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Article

Erratum to: “Magnetic and electrical properties of the ZnGeAs₂: Mn chalcopyrite”

L. I. Koroleva, V. Yu. Pavlov, D. M. Zashchirinskii… in Physics of the Solid State (2014)

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Article

Magnetocaloric effect in manganites

The magnetocaloric effect (MCE) in La_{1 − x}Sr_xMnO₃, Sm_0.55Sr_0.45MnO₃, and PrBaMn₂O₆ compounds is studied. The maximum values of MCE (ΔT _max) det...

L. I. Koroleva, D. M. Zashchirinskii… in Journal of Experimental and Theoretical Ph… (2012)
Article

Effect of flux clusterization on the thickness of films deposited by magnetron and pulsed laser sputtering of metal oxides

We have studied the relation between clusterization in the flux of a substance and the thickness of deposited films obtained by the magnetron and pulsed laser sputtering of La_0.7Sr_0.3MnO₃ and YBa₂Cu₃O_{7 − δ} target...

V. D. Okunev, S. J. Lewandowski, R. Szymczak, H. Szymczak… in Technical Physics Letters (2012)
Article

Magnetic and EPR studies of the EuFe₃(BO₃)₄ single crystal

Magnetic and electron paramagnetic resonance (EPR) properties of EuFe₃(BO₃)₄ single crystals have been studied over the temperature range of 300–4.2 K and in a magnetic field up to 5 T. The temperature, field an...

V. P. Dyakonov, R. Szymczak, A. D. Prokhorov, E. Zubov… in The European Physical Journal B (2010)
Article

Magnetic, electrical, magnetoelectrical, and magnetoelastic properties of La_0.9Sr_0.1MnO_{3 − y} manganites

This paper reports on a study of the influence of oxygen deficiency on the magnetization, paramagnetic susceptibility, electrical resistivity, magnetoresistance, and volume magnetostriction of the La_0.9Sr_0.1MnO_{3 ...}

L. I. Koroleva, D. M. Zashchirinskiĭ, T. M. Khapaeva… in Physics of the Solid State (2010)
Article

Crystal and magnetic structures of the Bi_{1 − x}Sr_xFeO_{3 − δ} and Bi_{1 − x}A_xFe_{1 − x}Mn_xO₃ (A = Sr, Ca) solid solutions

Bi_{1 − x}Sr_xFeO_{3 − x/2} (I), Bi_{1 − x}Sr_xFe_{1 − x}MnxO₃ (II), and Bi_{1 −}

I. O. Troyanchuk, D. V. Karpinskiĭ, M. V. Bushinskiĭ… in Crystallography Reports (2009)
Article

Manganese-doped ZnSiAs₂ chalcopyrite: A new advanced material for spintronics

A new spintronics material with the Curie temperature above room temperature, the ZnSiAs₂ chalcopyrite doped with 1 and 2 wt % Mn, is synthesized. The magnetization, electrical resistivity, magnetoresistance, and...

L. I. Koroleva, D. M. Zashchirinskiĭ, T. M. Khapaeva… in Physics of the Solid State (2009)
Article

Effect of oxygen deficiency on the magnetic, electrical, magnetoelectric, and magnetoelastic properties of La_{1 − x}Sr_xMnO_{3 − δ} manganites

This paper reports on a study of the effect of oxygen deficiency on the magnetic and electrical properties of the La_{1 − x}Sr_xMnO_{3 − δ} manganites (x = 0,...

L. I. Koroleva, D. M. Zashchirinskiĭ, T. M. Khapaeva… in Physics of the Solid State (2008)
Article

Single-crystal growth of trigonal DyFe₃(BO₃)₄ and study of magnetic properties

Fluxes with a wide stability range of trigonal DyFe₃(BO₃)₄ were selected by the successive-approximation method using direct phase probing in the Bi₂Mo₃O₁₂-B₂O₃-Dy₂O₃-Fe₂O₃ system. Crystallization parameters of t...

I. A. Gudim, A. I. Pankrats, E. I. Durnaĭkin, G. A. Petrakovskiĭ… in Crystallography Reports (2008)
Article

Effect of the self-organized cluster structure in LaSrMnO films on the slope of the temperature dependence of resistivity

We have studied the effect of atomic ordering in a nanodimensional clustered structure of amorphous LaSrMnO films on the slope of the temperature dependence of resistivity ρ(T) in the regions where dρ/dT > 0. It ...

Z. A. Samoilenko, V. D. Okunev, E. I. Pushenko, N. N. Pafomov… in Technical Physics Letters (2008)
Article

Crystal-structure and magnetic phase transformations in solid solutions of BiFeO₃-AFe_0.5Nb_0.5O₃ (A = Ca, Sr, Ba, Pb)

Solid solutions of Bi_{1 − x}A_x(Fe_{1 − x/2}Nb_x/2)O₃, where A = Ca, Ba, and Pb, are obtained and their crystal structure and magn...

I. O. Troyanchuk, M. V. Bushinsky… in Journal of Experimental and Theoretical Ph… (2008)
Article

Crystal structure and properties of Bi_{1 − x}Ca_xFeO₃ and Bi_{1 − x}Ca_xFeO_{1 − x}Ti_xO₃ solid solutions

Systems of solid solutions Bi_{1 − x}Ca_xFeO₃ (I) and Bi_{1 − x}CaxFeO_{1 − x}Ti_{x
...}

I. O. Troyanchuk, D. V. Karpinsky… in Journal of Experimental and Theoretical Ph… (2008)
Article

Magnetic and electrical properties of the ZnGeAs₂: Mn chalcopyrite

Do** of the ZnGeAs₂ semiconductor with manganese has produced compositions with spontaneous magnetization and high Curie temperatures of up to 367 K for the composition 3.5 wt% Mn. Their magnetic properties are...

L. I. Koroleva, V. Yu. Pavlov, D. M. Zashchirinskiĭ… in Physics of the Solid State (2007)
Article

Magnetic structure and magnetic excitations in the two-dimensional spin system of the Cu₃B₂O₆ compound

This paper reports on the results of measurements of the magnetic susceptibility, heat capacity, neutron scattering, muon spin relaxation, and electron paramagnetic resonance in Cu₃B₂O₆ for the study of the groun...

G. A. Petrakovskiĭ, L. N. Bezmaternykh, O. A. Bayukov… in Physics of the Solid State (2007)
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...

L. V. Udod, G. A. Petrakovskiĭ, A. M. Vorotynov… in Physics of the Solid State (2007)
Article

Anisotropy of magnetic properties of a twin-free EuBaCo₂O_5.5 single crystal

The magnetic characteristics of a twin-free EuBaCo₂O_5.5 single crystal were studied. It is shown that Co ions exhibit an Ising-type behavior with an easy axis directed along the a axis in the temperature range fr...

V. I. Gatalskaya, M. Baran, R. Szymczak, H. Szymczak… in Physics of the Solid State (2007)
Article

Spin glass state in crystals of barium ferrigermanate Ba₂Fe₂GeO₇

The temperature dependence of the magnetization and elastic neutron scattering spectra of Ba₂Fe₂GeO₇ barium ferrigermanate polycrystals are studied. The magnetization is found to depend on the magnetic prehistory...

G. A. Petrakovskiĭ, L. N. Bezmaternykh, I. A. Gudim… in Physics of the Solid State (2006)

58 Result(s)

Role of the Cluster Structure of Amorphous Fe₆₇Cr₁₈B₁₅ Alloy in Magnetism and in the Changing of Electron Scattering Mechanisms under the Influence of Ion (Ar⁺) Irradiation

Effect of gas–liquid–crystal transitions in oxygen clusters on electric and magnetic activity of localized states in In₂O₃–SrO ceramic

Erratum to: “Magnetic and electrical properties of the ZnGeAs₂: Mn chalcopyrite”

Erratum to: “Magnetic and electrical properties of the ZnGeAs₂: Mn chalcopyrite”

Magnetocaloric effect in manganites

Effect of flux clusterization on the thickness of films deposited by magnetron and pulsed laser sputtering of metal oxides

Magnetic and EPR studies of the EuFe₃(BO₃)₄ single crystal

Magnetic, electrical, magnetoelectrical, and magnetoelastic properties of La_0.9Sr_0.1MnO_{3 − y} manganites

Crystal and magnetic structures of the Bi_{1 − x}Sr_xFeO_{3 − δ} and Bi_{1 − x}A_xFe_{1 − x}Mn_xO₃ (A = Sr, Ca) solid solutions

Manganese-doped ZnSiAs₂ chalcopyrite: A new advanced material for spintronics

Effect of oxygen deficiency on the magnetic, electrical, magnetoelectric, and magnetoelastic properties of La_{1 − x}Sr_xMnO_{3 − δ} manganites

Single-crystal growth of trigonal DyFe₃(BO₃)₄ and study of magnetic properties

Effect of the self-organized cluster structure in LaSrMnO films on the slope of the temperature dependence of resistivity

Crystal-structure and magnetic phase transformations in solid solutions of BiFeO₃-AFe_0.5Nb_0.5O₃ (A = Ca, Sr, Ba, Pb)

Crystal structure and properties of Bi_{1 − x}Ca_xFeO₃ and Bi_{1 − x}Ca_xFeO_{1 − x}Ti_xO₃ solid solutions

Magnetic and electrical properties of the ZnGeAs₂: Mn chalcopyrite

Magnetic structure and magnetic excitations in the two-dimensional spin system of the Cu₃B₂O₆ compound

Magnetic properties of aerugite Co₁₀Ge₃O₁₆

Anisotropy of magnetic properties of a twin-free EuBaCo₂O_5.5 single crystal

Spin glass state in crystals of barium ferrigermanate Ba₂Fe₂GeO₇

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