Перегляд за автором "Eremenko, V.V."

Результати 1-19 з 19

Antiferromagnet–ferromagnet phase transition in lightly doped manganites

Troyanchuk, I.O.; Khomchenko, V.A.; Eremenko, V.V.; Sirenko, V.A.; Szymczak, H. (Физика низких температур, 2005)

Magnetic and structural phase diagrams of the La₀.₈₈MnOx, La₁₋xSrx(Mn₁₋x/₂Nbx/₂)O₃, Nd₁₋xCaxMnO₃, and Bi₁₋xCaxMnO₃ series constructed on the basis of x-ray, neutron powder diffraction, Young’s modulus, magnetization and ...
Effect of step-edge on spectral properties and planar stability of metallic bigraphene

Eremenko, V.V.; Sirenko, V.A.; Gospodarev, I.A.; Syrkin, E.S.; Feodosyev, S.B.; Bondar, I.S.; Saxena, S.S.; Feher, A.; Minakova, K.A. (Физика низких температур, 2016)

Phonon and electron spectra of metallic bigraphene are analyzed in the presence of step-edge crystal imperfection. Different geometries of step-edge are considered. The dynamic planar stability of the considered structure ...
Electronic structure and magnetostrictive sensitivity of Fe-B metallic glasses

Beznosov, A.B.; Fertman, E.L.; Eremenko, V.V.; Desnenko, V.A. (Физика низких температур, 2001)

The effect of mechanical tensile stresses 0 ≤ σ ≤ 62 MPa on the low-field (0 ≤ H ≤ 45 Oe) magnetization curves of the metallic glasses Fe₁₀₀₋xBx (x=14, 16, 17, 20) is studied at temperatures of 77 and 300 K. The correlation ...
Investigation of magnetic flux gradients in hard superconductors

Bruk, V.V.; Eremenko, V.V.; Makedonskaya, N.I.; Shabakayeva, Yu.A.; Sirenko, V.A. (Физика низких температур, 2001)

Analytical calculations of the transverse magnetostriction in a thin hard superconductor are presented in relation to the distributions of currents and fields within a superconducting specimen in a varied magnetic field. ...
Irreversible magnetostriction and magnetization of the superconduting 2H-NbSe₂ single crystals in a peak-effect regime

Eremenko, V.V.; Sirenko, V.A.; Shabakayeva, Yu.A.; Gammel, P.L. (Физика низких температур, 2002)

Magnetostriction mea sure ments in the mixed state of superconducting 2H-NbSe₂ single crystals under in-plane magnetic fields 0-12 T have revealed a peak on the magnetostriction versus magnetic field dependences in the ...
Light scattering in LiCoPO₄ single crystal: analysis of the vibrational spectrum

Fomin, V.I.; Gnezdilov, V.P.; Kurnosov, V.S.; Peschanskii, A.V.; Eremenko, V.V.; Rivera, J.-P.; Gentil, S. (Физика низких температур, 1999)

In a single crystal of LiCoPO₄ Raman scattering has been studied in a wide temperature range. Thirty-two of the 36 Raman-active vibrational modes predicted by group-theory analysis were detected. The experimental lines are ...
Low temperature magnetic properties and stress effects in glassy Fe-B alloys: the eutectic region

Beznosov, A.B.; Fertman, E.L.; Eremenko, V.V.; Desnenko, V.A.; Bengus, V.Z. (Физика низких температур, 1999)

The magnetic properties of glassy Fe₁₀₀₋ₓBₓ (x= 14, 16, 17, 20) alloys under a low mechanical stress (up to 68 MPa) at temperatures 10-300 K, in magnetic fields up to 40 Oe, have been studied. Low temperature anomalies of ...
Luminescence and ODMR studies of X-traps for triplet excitons in organic crystals

Avdeenko, A.A.; Buravtseva, L.M.; Gorobchenko, V.S.; Eremenko, V.V.; Izvekov, S.V.; Kravchenko, A.E.; Pyshkin, O.S.; Sugakov, V.I. (Физика низких температур, 1997)

The excited triplet states of shallow X-traps in neat single crystals of 4,4-dichlorobenzophenone were studied at liquid helium temperature by luminescence spectroscopy and magnetic resonance with optical detection. The ...
Magnetostriction in the mixed state of superconducting 2H-NbSe₂ single crystals

Eremenko, V.V.; Sirenko, V.A.; Schleser, R.; Gammel, P.L. (Физика низких температур, 2001)

Magnetostriction measurements on 2H-NbSe₂ single crystals in the temperature range 1.5-8 K in a magnetic field up to 14 T are reported. Peak and oscillations in the measured field dependences of magnetostriction were ...
Microwave transmittance of a high-Tc superconductor film in a magnetic field

Eremenko, V.V.; Novosad, V.A.; Pishko, V.V.; Falco, C.; Rashkovan, V.M. (Физика низких температур, 1999)

The results of microwave transmittance measurements of crystalline high-Tc YBaCuO film under the influence of an external magnetic field are presented. Generally, in high-Tc superconductors dissipation mechanisms different ...
NATO advanced study institute "Modern Trends in Magnetostriction Study and Application"

Eremenko, V.V.; Sirenko, V.A.; Gibbs, M.R.J.; Szymczak, H. (Физика низких температур, 2000)
Negative thermal expansion of HTSC-type structures: low temperature structure measurements on Eu₁₊x(Ba₁₋yRy) ₂₋xCu₃O₇₋d compounds and theoretical treatment

Eremenko, V.V.; Feodosyev, S.B.; Gospodarev, I.A.; Sirenko, V.A.; Shvedun, M.Yu.; McCallum, W.; Tovar, M. (Физика низких температур, 2005)

The temperature dependences of the lattice parameters were investigated on the perovskite-like structures Eu₁₊x(Ba₁₋yRy) ₂₋xCu₃O₇₋d with Ba substitution by light rare earth, using x-ray diffraction techniques. A negative ...
Phonon-assisted anti-Stokes excitation of the fluorescence of Mn²⁺ ions in the CsMnCl₃ ּ 2H₂O crystal

Eremenko, V.V.; Fomin, V.I.; Kurnosov, V.S. (Физика низких температур, 2000)

We demonstrate that anti-Stokes excitation of Mn²⁺ ions in the CsMnCl₃⋅2H₂O crystal can occur through multiphonon addition to the energy of the photons of exciting light. The deficit dE between the energy of the Mn²⁺ ⁴T₁ ...
Photoinduced absorption and anomalous dichroism in NaCa₂Mn₂V₃O₁₂ garnet as an evidence for the formation of oxygen holes dynamics

Eremenko, V.V.; Gnatchenko, S.L.; Kachur, I.S.; Piryatinskaya, V.G.; Ratner, A.M.; Shapiro, V.V.; Kosmyna, M.B.; Nazarenko, B.P.; Puzikov, V.M. (Физика низких температур, 2005)

It is shown that long-lived photoinduced dichroism in garnets is caused by photoproduced charges with anisotropic structure, keeping long memory of the pumping light polarization, while photoinduced absorption is due to ...
Photoinduced light absorption and dichroism of Ca₃Mn₂Ge₃O₁₂ garnet as a probe of electronic processes and intrinsic electric fields

Eremenko, V.V.; Gnatchenko, S.L.; Kachur, I.S.; Piryatinskaya, V.G.; Ratner, A.M.; Shapiro, V.V.; Fally, M.; Rupp, R.A. (Физика низких температур, 2001)

Measurements of photoinduced light absorption in Ca₃Mn₂Ge₃O₁₂ revealed some unusual features: a saturation with the pumping intensity and a broad straggling of relaxation times with a predominance of very long times. These ...
Photoluminescence of ortho-bromobenzophenone

Avdeenko, A.A.; Pyshkin, O.S.; Eremenko, V.V.; Strzhemechny, M.A.; Buravtseva, L.M.; Romashkin, R.V. (Физика низких температур, 2006)

Phosphorescence spectra of crystalline ortho-bromobenzophenone (2-bromobenzophenone, 2BrBP) were measured from 1.6 K to room temperature. A cardinal emission mechanism crossover occurs within this temperature range. At ...
Physical research of microgravity influence on physical phenomenon in cryogenic liquids and general-purpose onboard cryogenic facility for realization of this researchaboard International Space Station

Gavrylov, R.V.; Eremenko, V.V.; Rusanov, K.V.; Shcherbakova, N.S.; Dergunov, I.M.; Kryukov, A.P.; Korolyov, P.V.; Selyaninova, Yu.Yu.; Zhukov, V.M.; Kharitonov, V.S.; Kutsenko, K.V.; Deev, V.I.; Shuvalov, V.A.; Bondarenko, S.I. (Физика низких температур, 2003)

The united research plan named "Boiling" is created on the basis of several cryogenic research projects developed by experts in Russia and Ukraine for International Space Station. The "Boiling" plan includes 8 first ...
Spontaneous magnetostriction in the Gd-Y system: analysis of phase transformations

Beznosov, A.B.; Fertman, E.L.; Eremenko, V.V.; Pal-Val, P.P.; Popov, V.P.; Chebotayev, N.N. (Физика низких температур, 2001)

The transformations of magnetic and lattice subsystems states of Gd₁₀₀₋xYx (x=0, 5.5, 7.5, 10.2) alloys have been studied at temperatures 5-370 K in magnetic fields up to 4 kOe. The temperature dependences of elastic ...
Structure and photoluminescence of helium-intercalated fullerite C₆₀

Legchenkova, I.V.; Prokhvatilov, A.I.; Stetsenko, Yu.E.; Strzhemechny, M.A.; Yagotintsev, K.A.; Avdeenko, A.A.; Eremenko, V.V.; Zinoviev, P.V.; Zoryansky, V.N.; Silaeva, N.B.; Ruoff, R.S. (Физика низких температур, 2002)

Intercalation of C₆₀ single crystals with helium was studied by powder x-ray diffractometry. It was established that the intercalation is a two-stage process, octahedral cavities are filled first and then tetrahedral ones, ...

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Перегляд за автором "Eremenko, V.V."

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