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Dive into the research topics where G. M. Abramova is active.

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Featured researches published by G. M. Abramova.


Physical Review B | 2009

Magnetoelastic coupling in the triangular lattice antiferromagnet CuCrS2

Julia C. E. Rasch; Martin Boehm; Clemens Ritter; Hannu Mutka; J. Schefer; Lukas Keller; G. M. Abramova; Antonio Cervellino; Jörg F. Löffler

, as shown in the inset of Fig.1. The nearest-neighbor intralayer Cr-Cr distance of 3.48 Ais small compared to the interlayer Cr-Cr distance of 6.55 A.The magnetic exchange within the layers over Cr-S-Cr path-ways is expected to be much stronger than the interlayerexchange via Cr-S-Cu-S-Cr bonds. Hence, one would expectto find the crystalline anisotropy to be reflected in the mag-netic system, as described in the dioxides. Nevertheless,early neutron powder diffraction experiments on CuCrS


Physical Review B | 2005

Conductivity, weak ferromagnetism, and charge instability in an α-MnS single crystal

S. S. Aplesnin; L. I. Ryabinkina; G. M. Abramova; O. B. Romanova; A. M. Vorotynov; D. A. Velikanov; N. I. Kiselev; A. D. Balaev

The temperature dependence of resistivity, magnetization and electron-spin resonance of the


Journal of Applied Physics | 2010

Electron spin resonance in CuCrS2 chrome-copper disulphides synthesized by different methods

G. M. Abramova; A. I. Pankrats; G. A. Petrakovskii; Julia C. E. Rasch; Martin Boehm; Aleksandr Vorotynov; V.I. Tugarinov; Rita Szumszak; A. F. Bovina; Viktor Vasil’ev

\alpha- MnS


Journal of Applied Physics | 2014

Structural and magnetic resonance investigations of CuCr2S4 nanoclusters and nanocrystals

A. I. Pankrats; A. M. Vorotynov; V.I. Tugarinov; S. M. Zharkov; D. A. Velikanov; G. M. Abramova; G. M. Zeer; Karthik Ramasamy; Arunava Gupta

single crystal were measured in temperature range of


Physics of the Solid State | 2002

Magnetic properties of FexMn1−xS sulfides exhibiting the magnetoresistive effect

G. A. Petrakovskii; L. I. Ryabinkina; G. M. Abramova; A. D. Balaev; O. B. Romanova; G. I. Makovetskii; K. I. Yanushkevich; A. I. Galyas

5 K < T < 550 K


Physics of the Solid State | 2010

Structure and Mössbauer studies of manganese monosulfide solid solutions MxMn1 − xS (M = Cr, Fe)

G. M. Abramova; G. A. Petrakovskiĭ; O. A. Bayukov; A. F. Bovina; V. V. Sokolov

. Magnetization hysteresis in applied magnetic field up to 0.7 T at


Jetp Letters | 2006

Phase transitions and colossal magnetoresistance in CuVxCr1−x S2 layered disulfides

G. M. Abramova; G. A. Petrakovskiĭ; A. M. Vorotynov; D. A. Velikanov; N. I. Kiselev; A. F. Bovina; R. Szymczak; R. F. Al’mukhametov

T=5 K, 77 K, 300 K


Physics of the Solid State | 1999

Low-temperature electronic and magnetic transitions in the antiferromagnetic semiconductor Cr0.5Mn0.5S

G. A. Petrakovskii; L. I. Ryabinkina; D. A. Velikanov; S. S. Aplesnin; G. M. Abramova; N. I. Kiselev; A. F. Bobina

, irreversible temperature behavior of magnetization and resistivity were found . The obtained data were explained in terms of degenerate tight binding model using random phase approximation. The contribution of holes in


Jetp Letters | 2007

Metal-insulator transition in Fe x Mn1−x S crystals

G. M. Abramova; N. V. Volkov; G. A. Petrakovskiĭ; Y. Mita; O. A. Bayukov; D. A. Velikanov; A. M. Vorotynov; V. V. Sokolov; A. F. Bovina

t_{2g}


Journal of Experimental and Theoretical Physics | 2013

Magnetic Resonance in a Cu-Cr-S Structure

A. M. Vorotynov; G. M. Abramova; A. I. Pankrats; G. A. Petrakovskii; S. M. Zharkov; G. M. Zeer; V.I. Tugarinov; M. V. Rautskii; V. V. Sokolov

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V. V. Sokolov

Russian Academy of Sciences

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A. F. Bovina

Russian Academy of Sciences

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A. M. Vorotynov

Russian Academy of Sciences

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D. A. Velikanov

Russian Academy of Sciences

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G. A. Petrakovskii

Russian Academy of Sciences

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L. I. Ryabinkina

Russian Academy of Sciences

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N. I. Kiselev

Russian Academy of Sciences

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O. B. Romanova

Russian Academy of Sciences

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A. I. Pankrats

Russian Academy of Sciences

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