61 Result(s)

Article

Nanoparticle Formation in Si Implanted with Zinc and Oxygen Ions With Subsequent Annealing in Vacuum

Nanoparticle formation in silicon subsequently doped with Zn and О ions and annealed in vacuum is presented in this paper. Standard n-type Si plates with the (100) orientation, a thickness of 380 nm, and a diamet...

V. V. Privezentsev, A. N. Palagushkin… in Journal of Surface Investigation: X-ray, S… (2021)

Article

Magnetic, Electronic, and Optical Properties of the Tetraborates NiB₄O₇ and CoB₄O₇ in Three Structural Modifications

The physical properties of the NiB₄O₇ and CoB₄O₇ tetraborate compounds in three structural modifications with the sp. gr. Pbca, Cmcm, and P6₅22 have been calculated using the density functional theory in the VASP...

A. S. Shinkorenko, V. I. Zinenko, M. S. Pavlovskii in Physics of the Solid State (2021)

Article

Calculation and Comparison of Electronic, Vibrational, Polarization, and Magnetic Properties of Double Perovskites CaMnTi₂O₆ and CaFeTi₂O₆

Vibrational, polarization, magnetic, and electronic properties of double perovskites CaMnTi₂O₆ and CaFeTi₂O₆ with a rare type of “column” ordering of divalent metal cations have been calculated based on the densi...

N. D. Andryushin, V. I. Zinenko… in Journal of Experimental and Theoretical Ph… (2019)

Article

Study of a SiO₂/Si Structure Implanted with ⁶⁴Zn⁺ and ¹⁶O⁺ Ions and Heat Treated in a Neutral Inert Environment

The surface layer of a SiO₂/Si structure implanted with Zn⁺ and O⁺ ions and annealed in neutral and inert atmospheres is studied. At first, n-Si(100) silicon plates are oxidized in dry O₂ to achieve an oxide-film...

V. V. Privezentsev, V. S. Kulikauskas… in Journal of Surface Investigation: X-ray, S… (2019)

Article

Electronic Structure, Optical Properties, and Pressure Behavior of the CdB₄O₇ and HgB₄O₇ Compounds

Ab initio calculations of the structural, electronic, and optical properties of the CdB₄O₇ and HgB₄O₇ tetraborate compounds in three structural modifications with the Pbca, Cmcm, and Pmn2₁ symmetry have been perf...

A. S. Shinkorenko, V. I. Zinenko, M. S. Pavlovskii in Physics of the Solid State (2018)

Article

Effect of a Rare-Earth Ion on the Structural Instability in RFe₃(BO₃)₄ Crystals

The dynamics of the crystal lattice of RFe₃(BO₃)₄ (R = Pr, Nd, Sm, Gd, Tb, Dy, and Ho) compounds in the high-symmetry R32 phase has been calculated. Significant changes in spectra of compounds with various rare-e...

M. S. Pavlovskiy, V. I. Zinenko, A. S. Shinkorenko in JETP Letters (2018)

Article

Effect of Radiation-Induced Defects Produced by Low-Energy Protons in a Heavily Doped Layer on the Characteristics of n⁺‒p‒p⁺ Si Structures

The irradiation of semiconductor structures with low-energy protons is used to control changes in their properties at a depth ranging from 0.1 to 1000 μm. Devices manufactured from such structures have high se...

Y. A. Agafonov, N. M. Bogatov… in Journal of Surface Investigation: X-ray, S… (2018)

Article

Ab Initio Study of the Polarization, Electronic, Magnetic, and Optical Properties of Perovskite SrMO₃ (M = Fe, Mn) Crystals and Thin Films Containing Magnetic Ions

The magnetic, electronic, and polarization properties of the SrFeO₃ and SrMnO₃ compounds with a perovskite structure are calculated using the density functional theory in the bulk and thin-film states. A ferroele...

A. V. Nemtsev, V. S. Zhandun, V. I. Zinenko in Journal of Experimental and Theoretical Ph… (2018)

Article

First Principles Investigation of the Magnetic, Magnetoelectric, and Optical Properties of Double Perovskites Containing Ions of Transition Metals LaPbTSbO₆ (T = Fe, Co, Ni)

Within the first principles approach implemented in the VASP package, a correlation between magnetic, electronic, polarization, and optical properties, on the one hand, and the structural ordering of cations, ...

V. S. Zhandun, V. I. Zinenko in Journal of Experimental and Theoretical Physics (2017)

Article

Graphene synthesis by cold implantation of carbon recoil atoms

A new method of introducing carbon into catalytic metal films for graphene synthesis is proposed. The method is based on the phenomenon of carbon recoil atoms from a layer of methane molecules that are adsorbe...

Yu. A. Agafonov, V. I. Zinenko, O. V. Kononenko… in Technical Physics Letters (2017)

Article

Thermodynamics of spin ice in staggered and direct (along the [111] axis) fields in the cluster approximation

We have analyzed the low-temperature thermodynamic properties of spin ice in the staggered and direct (acting along the [111] axis) fields for rare-earth oxides with the chalcolamprite structure and general fo...

V. I. Zinenko, M. S. Pavlovskii in Journal of Experimental and Theoretical Physics (2017)

Article

Electronic structure, lattice dynamics, and magnetoelectric properties of double perovskite La₂CuTiO₆

The results of ab initio calculations of the electronic structure, vibrational properties, and the magnetoelectric effect in the La₂CuTiO₆ crystal with double perovskite structure are presented. The lattice dynam...

V. I. Zinenko, M. S. Pavlovskii, A. S. Shinkorenko in Physics of the Solid State (2016)

Article

Calculation of the electronic structure, lattice dynamics, and optical and magnetic properties of europium tetraborate EuB₄O₇

The electronic band structure, lattice vibration frequencies, and optical and magnetic properties of EuB₄O₇ crystal with α-SrB₄O₇-type structure are calculated within the density functional method. It is found th...

A. S. Shinkorenko, M. S. Pavlovskii, V. I. Zinenko in Physics of the Solid State (2016)

Article

Ab initio investigation of the magnetic and ferroelectric properties of double perovskites LaPbMeSbO₆ (Me = Mn, Fe, Co, Ni)

The results of ab initio calculations of the ferroelectric and magnetic properties of the recently synthesized double perovskites LaPbMeSbO₆ (Me ²⁺ = Mn²⁺, Fe²⁺, Co²⁺, Ni²⁺) have been presented. T...

V. S. Zhandun, V. I. Zinenko in Physics of the Solid State (2015)

Article

Calculation of lattice dynamics, elastic and dielectric properties of γ-BiB₃O₆ and δ-BiB₃O₆

The crystal lattice vibration frequencies, densities of phonon states, elastic moduli, and high-frequency permittivities have been calculated in terms of the density functional theory method for two polymorphs...

M. S. Pavlovskii, A. S. Shinkorenko, V. I. Zinenko in Physics of the Solid State (2015)

Article

Effect of an Eu³⁺ impurity on the antiferrodistortion and ferroelectric instabilities in an EuTiO₃ bulk crystal and thin films

The existence of an antiferrodistortion transition in EuTiO₃ is disputable, and this question needs to be answered. One of the possible causes is the presence of an Eu³⁺ impurity in a sample. A nonempirical polar...

V. S. Zhandun, N. G. Zamkova, V. I. Zinenko in Journal of Experimental and Theoretical Ph… (2015)

Article

Migration of Fe atoms in crystalline (Si) and amorphous (SiO₂) materials at their irradiation and heating

S. N. Shilobreeva, V. I. Zinenko, Yu. A. Agafonov… in Geochemistry International (2014)

Article

Influence of the chemical nature of implanted ions on the structure of a silicon layer damaged by implantation

The influence of the implantation of silicon single crystals by fluorine, nitrogen, oxygen, and neon ions on the distribution of strain and the static Debye-Waller factor in the crystal lattice over the implan...

K. D. Shcherbachev, M. I. Voronova, V. T. Bublik… in Crystallography Reports (2013)

Article

Vibrational spectra and elastic, piezoelectric, and magnetoelectric properties of HoFe₃(BO₃)₄ and HoAl₃(BO₃)₄ crystals

Raman spectra of light are obtained for HoFe₃(BO₃)₄ and HoAl₃(BO₃)₄ crystals at various temperatures and are used for determining the frequencies of crystal lattice vibrations at the center of the Brillouin zone....

V. I. Zinenko, M. S. Pavlovskii… in Journal of Experimental and Theoretical Ph… (2013)

Article

Carbon and carbon-silicon carbide nanocomposites with inverse opal structure

Synthesis, morphology, and structural characteristics of carbon and SiC/C nanocomposites with a lattice of inverse opal were investigated. Porous structure characteristics were determined by gas adsorption-des...

G. A. Emel’chenko, V. M. Masalov, A. A. Zhokhov… in Russian Journal of General Chemistry (2013)