Search Results - "Torgashev, V. I."

Incipient ferroelectricity of water molecules confined to nano-channels of beryl by Gorshunov, B. P., Torgashev, V. I., Zhukova, E. S., Thomas, V. G., Belyanchikov, M. A., Kadlec, C., Kadlec, F., Savinov, M., Ostapchuk, T., Petzelt, J., Prokleška, J., Tomas, P. V., Pestrjakov, E. V., Fursenko, D. A., Shakurov, G. S., Prokhorov, A. S., Gorelik, V. S., Kadyrov, L. S., Uskov, V. V., Kremer, R. K., Dressel, M.

“…Water is characterized by large molecular electric dipole moments and strong interactions between molecules; however, hydrogen bonds screen the dipole–dipole…”
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Origin of low-energy excitations in charge-ordered manganites by Zhukova, E, Gorshunov, B, Zhang, T, Wu, D, Prokhorov, A. S, Torgashev, V. I, Maksimov, E. G, Dressel, M

“…The low-energy excitations in the charge-ordered phase of polycrystalline La0.25Ca0.75MnO3 are explored by frequency-domain terahertz spectroscopy. In the…”
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Collective Infrared Excitation in LuB12 Cage-Glass by Gorshunov, B. P., Zhukova, E. S., Komandin, G. A., Torgashev, V. I., Muratov, A. V., Aleshchenko, Yu. A., Demishev, S. V., Shitsevalova, N. Yu, Filipov, V. B., Sluchanko, N. E.

“…By measuring room temperature infrared (40–35000 cm –1 ) reflectivity of metallic LuB12 single crystals with different isotopic compositions ( nat B, 10 B, 11…”
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Observation of dielectric universalities in albumin, cytochrome C and Shewanella oneidensis MR-1 extracellular matrix by Motovilov, K. A., Savinov, M., Zhukova, E. S., Pronin, A. A., Gagkaeva, Z. V., Grinenko, V., Sidoruk, K. V., Voeikova, T. A., Barzilovich, P. Yu, Grebenko, A. K., Lisovskii, S. V., Torgashev, V. I., Bednyakov, P., Pokorný, J., Dressel, M., Gorshunov, B. P.

“…The electrodynamics of metals is well understood within the Drude conductivity model; properties of insulators and semiconductors are governed by a gap in the…”
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Properties of the low-frequency phonon spectra of ferroelectric barium titanate-based heterostructures by Gor'kovaya, E. D., Tikhonov, Yu. A., Torgashev, V. I., Mikheykin, A. S., Lukyanchuk, I. A., Mezzane, D., Ortega, N., Kumar, A., Katiyar, R. S., Razumnaya, A. G.

“…Polarized Raman spectra of the epitaxial Ba 0.5 Sr 0.5 TiO 3 film, bi-color BaTiO 3 /Ba 0.5 Sr 0.5 TiO 3 superlattice and tri-color BaTiO 3 /Ba 0.5 Sr 0.5 TiO…”
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Electrodynamic Characteristics of Solid Solutions Pb(Fe1 – xScx)2/3W1/3O3 in a Broad Spectral Range by Komandin, G. A., Porodinkov, O. E., Chuchupal, S. V., Seregin, D. S., Spektor, I. E., Goncharov, Yu. G., Bush, A. A., Koroleva, A. F., Torgashev, V. I.

“…The methods of broadband dielectric spectroscopy are used to study the effect of substitution of Fe 3+ by Sc 3+ in Pb(Fe 1 –   x Sc x ) 2/3 W 1/3 O 3 solid…”
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Optical properties of BiFeO3 ceramics in the frequency range 0.3–30.0 THz by Komandin, G. A., Torgashev, V. I., Volkov, A. A., Porodinkov, O. E., Spektor, I. E., Bush, A. A.

“…Reflection and transmission infrared spectra of BiFeO 3 ceramic samples have been measured using submillimeter spectroscopy (on a backward-wave tube…”
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Emergence of the sub-THz central peak at phase transitions in artificial BaTiO3/(Ba,Sr)TiO3 superlattices by Tikhonov, Yu. A., Razumnaya, A. G., Torgashev, V. I., Zakharchenko, I. N., Yuzyuk, Yu. I., El Marssi, M., Ortega, N., Kumar, A., Katiyar, R. S.

“…A prominent central peak in the sub‐THz frequency range was observed in the Raman spectra of BaTiO3/(Ba,Sr)TiO3 (BT/BST) superlattice grown on (001)MgO…”
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Magnetic and dielectric response of cobalt-chromium spinel CoCr2O4 in the terahertz frequency range by Torgashev, V. I., Prokhorov, A. S., Komandin, G. A., Zhukova, E. S., Anzin, V. B., Talanov, V. M., Rabkin, L. M., Bush, A. A., Dressel, M., Gorshunov, B. P.

“…The nature of the phonon and magnon modes in the CoCr 2 O 4 multiferroic with a cubic spinel structure has been studied using submillimeter spectroscopy and…”
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Nature of Local Symmetry Violations of Ions in the Magnetic Subsystem of Magnetoplumbite Crystal, According to Raman Scattering Spectroscopy Data by Mikheykin, A. S., Anokhin, A. S., Torgashev, V. I., Zhukova, E. S., Gorshunov, B. P., Prokhorov, A. S., Bush, A. A.

“…The structure of an M -type lead hexaferrite (magnetoplumbite) crystal is studied via the diffraction of synchrotron radiation. The crystal model contains two…”
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Crucial influence of crystal site disorder on dynamical spectral response in artificial magnetoplumbites by Zhukova, E.S., Mikheykin, A.S., Torgashev, V.I., Bush, A.A., Yuzyuk, Yu.I., Sashin, A.E., Prokhorov, A.S., Dressel, M., Gorshunov, B.P.

“…High quality PbFe12O19 single crystals were grown by a solution-melt crystallization technique and characterized by synchrotron radiation diffraction…”
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Temperature Behavior of the Rotational Order Parameters in a La0.25Ca0.75MnO3 Solid Solution by Trotsenko, V. G., Mikheykin, A. S., Shirokov, V. B., Razumnaya, A. G., Bush, A. A., Kadyrov, L. S., El Marssi, M., Gorshunov, B. P., Torgashev, V. I.

“…The behavior of the crystal structure of a La 0.25 Ca 0.75 MnO 3 solid solution in the temperature range of 80–725 K is studied. It is established that…”
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H2O Molecules Hosted By A Crystalline Matrix – New State Of Water? by Zhukova, Elena S, MA Belyanchikov, Savinov, M, Bednyakov, P, Thomas, V G, Kadyrov, L S, Simchuk, EA, Bedran, Z V, Torgashev, VI, Dudka, A, Dressel, M, Gorshunov, B P

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Oscillator parameters of transverse phonons in a-domain lead titanate by Chabanyuk, A. N., Torgashev, V. I., Yuzyuk, Yu. I.

“…The temperature behavior of polarized Raman spectra of a -domain PbTiO 3 single crystals has been investigated. The spectra obtained are fit by a damping…”
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Phase transitions and structural mechanisms of the formation of LiCoO2 polymorphic modifications by Talanov, V. M., Shirokov, V. B., Torgashev, V. I., Berger, G. A., Burtsev, V. A.

“…The structural mechanisms of formation of the low-symmetry phases of the LiCoO^sub 2^ compound from the praphase with a sodium chloride structure are…”
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Competition between rotational and polar structural distortions in perovskites by Torgashev, V. I., Shirokov, V. B., Prokhorov, A. S., Shuvalov, L. A.

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Properties of the low-frequency phonon spectra of ferroelectric barium titanate-based heterostructures by Gor'kovaya, E. D, Tikhonov, Yu. A, Torgashev, V. I, Mikheykin, A. S, Luk'yanchuk, I. A, Mezzane, D, Ortega, N, Kumar, A, Katiyar, R. S, Razumnaya, A. G

“…Ferroelectrics, 543, 36 (2019) Polarized Raman spectra of the epitaxial Ba0.5Sr0.5TiO3 film, bi-color BaTiO3/Ba0.5Sr0.5TiO3 superlattice, and tri-color…”
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Valence state of cations in manganites Pr1-xCaxMnO3 (0.3 ≤ x ≤ 0.5) from X-ray diffraction and X-ray photoelectron spectroscopy by Kozakov, A.T., Kochur, A.G., Trotsenko, V.G., Nikolskii, A.V., El Marssi, M., Gorshunov, B.P., Torgashev, V.I.

“…Polycrystalline Pr1-xCaxMnO3 (х = 0.3, 0.35, 04, 0.45, and 0.5) samples are synthesized by solid-state reaction method. Crystal structure of the samples is…”
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Bi1-xCaxFeO3-δ (0 ≤ x ≤ 1) ceramics: Crystal structure, phase and elemental composition, and chemical bonding from X-ray diffraction, Raman scattering, Mössbauer, and X-ray photoelectron spectra by Kozakov, A.T., Kochur, A.G., Torgashev, V.I., Googlev, K.A., Kubrin, S.P., Trotsenko, V.G., Bush, A.A., Nikolskii, A.V.

“…An integrated study of samples of Bi1−хCaхFeO3-δ (BCFO) system for 0 ≤ x ≤ 1 (step 0.1) is performed using X-ray diffraction (XRD), Raman scattering, Mössbauer…”
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Valence state of manganese and iron ions in La1−xAxMnO3 (A = Ca, Sr) and Bi1−xSrxFeO3 systems from Mn2p, Mn3s, Fe2p and Fe3s X-ray photoelectron spectra. Effect of delocalization on Fe3s spectra splitting by Kozakov, A.T., Kochur, A.G., Googlev, K.A., Nikolskii, A.V., Torgashev, V.I., Trotsenko, V.G., Bush, A.A.

“…La1−xCaxMnO3 (x = 0.5, 0.7, 0.85, 0.95) ceramic samples are synthesized by solid state reaction method. Mn3s and Mn2p X-ray photoelectron spectra (XPS) of…”
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