Перегляд за автором "Gnatchenko, S.L."

Результати 1-12 з 12

Domain structure of the antiferromagnetic insulating state in Nd₀.₅Sr₀.₅MnO₃

Shklyarevskiy, I.O.; Shvedun, M.Yu.; Gnatchenko, S.L.; Kamenev, K.V.; Balakrishnan, G.; Cristianen, P.C.M.; Maan, J.C.; van Bentum, P.J.M.; D. McK Paul (Физика низких температур, 2001)

Optical reflectivity studies of the ferromagnetic metal (FMM) to antiferromagnetic insulator (AFI) phase transition are performed on Nd₀.₅Sr₀.₅MnO₃ manganite in a wide temperature and magnetic field range. The formation ...
Effect of light illumination on antiferromagnet-metamagnet phase transitions in the garnet Ca₃Mn₂Ge₃O₁₂

Bedarev, V.A.; Gapon, V.I.; Gnatchenko, S.L.; Baran, M.; Szymczak, R.; Desvignes, J.M.; Gall, H. Le (Физика низких температур, 2002)

The effect of linearly polarized light illumination on the metamagnetic phase transition in the antiferromagnetic garnet Ca₃Mn₂Ge₃O₁₂ is studied.
Light-induced optical absorption in the garnet Ca₃Mn₂Ge₃O₁₂

Bedarev, V.A.; Gnatchenko, S.L.; Rupp, R.A.; Sugg, B. (Физика низких температур, 1998)

Light-induced change in the optical absorption of the garnet Ca₃Mn₂Ge₃O₁₂ has been found. The magnitude of the light-induced optical absorption does not depend on the polarization state of the exciting illumination. The ...
Low-temperature absorption spectra and electron structure of HoFe₃(BO₃)₄ single crystal

Malakhovskii, A.V.; Gnatchenko, S.L.; Kachur, I.S.; Piryatinskaya, V.G.; Gudim, I.A. (Физика низких температур, 2017)

Polarized absorption spectra of HoFe₃(BO₃)₄ single crystal in the range of 8500–24 500 cm−¹ were studied as a function of temperature beginning from 2 K. The ground and excited electron states of Ho³⁺ were identified. The ...
Magnetic and resonance properties of the two-dimensional S = 1 compound Ni₅(TeO₃)₄Cl₂ with frustrated geometry

Gnatchenko, S.L.; Kobets, M.I.; Khatsko, E.N.; Baran, M.; Szymczak, R.; Lemmens, P.; Berger, H. (Физика низких температур, 2008)

The magnetic and magnetoresonance properties of a new single-crystal compound Ni₅(TeO₃)₄Cl₂ are studied. The measurements of the magnetization and magnetic susceptibility of the crystal in a wide temperature range (5–300 ...
Magnetic and superconducting properties of FeSe₁–xTex (x≃0, 0.5, and 1.0)

Fedorchenko, A.V.; Grechnev, G.E.; Desnenko, V.A.; Panfilov, A.S.; Gnatchenko, S.L.; Tsurkan, V.V.; Deisenhofer, J.; Krug von Nidda, H.-A.; Loidl, A.; Chareev, D.A.; Volkova, O.S.; Vasiliev, A.N. (Физика низких температур, 2011)

Magnetization studies for FeSe₁–xTex (x≃0, 0.5, and 1.0) compounds were carried out in magnetic fields up to 50 kOe and in the temperature range 2–300 K. The superconducting transition was observed at Tc≃8 K and 13.6–14.2 ...
Magnetoelectricity in the ferrimagnetic Cu₂OSeO₃: symmetry analysis and Raman scattering study

Gnezdilov, V.P.; Lamonova, K.V.; Pashkevich, Yu.G.; Lemmens, P.; Berger, H.; Bussy, F.; Gnatchenko, S.L. (Физика низких температур, 2010)

We report Raman scattering studies and magneto/structural symmetry analysis of the many sublattices ferrimagnet Cu₂OSeO₃ with a cubic symmetry and a linear magnetoelectric effect. There is no spectroscopic evidence for ...
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 ...
Pressure effect on electronic structure and magnetic properties of iron-based high Tс superconductors

Grechnev, G.E.; Desnenko, V.A.; Fedorchenko, A.V.; Panfilov, A.S.; Gnatchenko, S.L.; Zhuravleva, I.P.; Volkova, O.S.; Vasiliev, A.N.; Tsurkan, V.V. (Физика и техника высоких давлений, 2010)

Pressure effects on electronic structure and magnetic properties of iron-based superconductors FeSe1−xTex (x ≃ 0, 0.5 and 1.0) and LaFeAsO are investigated. The superconducting transition was observed at TC ≃ 8, 13.6−14.2, ...
Pressure effects on electronic structure and magnetic properties of the FeSe(Te) superconductors

Grechnev, G.E.; Panfilov, A.S.; Desnenko, V.A.; Fedorchenko, A.V.; Zhuravleva, I.P.; Gnatchenko, S.L.; Tsurkan, V.; Chareev, D.A.; Kozlyakova, E.S.; Volkova, O.S.; Vasiliev, A.N. (Физика и техника высоких давлений, 2012)

The magnetic susceptibility χ of the FeSe and FeTe compounds, which form the simplest FeSe(Te) system of the novel iron-based superconductors, is studied in the normal state under hydrostatic pressure. A substantial positive ...
The jubilee of B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of Ukraine

Gnatchenko, S.L. (Физика низких температур, 2010)

It was fifty years ago, on 13 May 1960, that the Institute for Low Temperature Physics and Engineering was founded in Kharkov.

Результати 1-12 з 12

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Перегляд за автором "Gnatchenko, S.L."

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