Перегляд за автором "Grechnev, G.E."

Сортувати за: Порядок: Результатів:

  • Effect of pressure on the Fermi surface and electronic structure of ErGa₃ 
    Pluzhnikov, V.B.; Grechnev, G.E.; Fomenko, Yu.V.; Czopnik, A.; Eriksson, O. (Физика низких температур, 1999)
    The Fermi surface and cyclotron masses of the ErGa₃ compound are studied by means of the de Haas-van Alphen technique under pressure. Concurrently, the electronic structure is calculated ab initio for the ferromagnetic ...
  • Effect of pressure on the magnetic properties of CrB₂ 
    Grechnev, G.E.; Panfilov, A.S.; Fedorchenko, A.V.; Filippov, V.B.; Lyashchenko, A.B.; Vasiliev, A.N. (Физика низких температур, 2009)
    Magnetic susceptibility c of the itinerant antiferromagnet CrB₂ with TN ≃ 87K was studied as a function of the hydrostatic pressure up to 2 kbar at fixed temperatures 78 and 300 K. The pressure effect on c is found to be ...
  • Electronic structure and bulk properties of MB₆ and MB₁₂ borides 
    Grechnev, G.E.; Baranovskiy, A.E.; Fil, V.D.; Ignatova, T.V.; Kolobov, I.G.; Logosha, A.V.; Shitsevalova, N.Yu.; Filippov, V.B.; Eriksson, O. (Физика низких температур, 2008)
    Ab initio band structure calculations have been carried out for higher boridesMB6 andMB12. High precision measurements of the elastic constants were performed for ZrB₁₂, HoB₁₂, ErB₁₂, TmB₁₂, LuB₁₂, YB₆ and LaB₆ compounds ...
  • Electronic structure and magnetic properties of graphite intercalated with 3d-metals 
    Grechnev, G.E.; Lyogenkaya, A.A.; Kolesnichenko, Yu.A.; Prylutskyy, Yu.I.; R., Hayn (Физика низких температур, 2014)
    Electronic structure and magnetic properties of graphite-based systems with intercalated 3d-transition metal atoms (V, Cr, Mn, Fe, Co, Ni) were calculated ab initio using the density functional theory. The presence of ...
  • Electronic structure and magnetic properties of rare-earth RM₂ and RM₃ compounds 
    Baranovskiy, A.E.; Grechnev, G.E.; Panfilov, A.S.; Svechkarev, I.V. (Functional Materials, 2004)
    Ab initio calculations of the electronic structure and magnetic properties are carried out for the ferromagnetic Gd0₂ compounds (M = Mg, Al, Fe, Co, Ni, Rh, lr, Pt), and also for the La(ln₁-ₓSnₓ)₃ system. Pressure effects ...
  • Hall effect and magnetic ordering in RB₁₂ 
    Baranovskiy, A.E.; Grechnev, G.E.; Sluchanko, D.N.; Glushkov, V.V.; Demishev, S.V.; Sluchanko, N.E.; Shitsevalova, N.Yu. (Физика низких температур, 2009)
    The concentration of carriers in LuB₁₂ is evaluated theoretically by applying ab initio FP-LMTO calculations. Theoretical results are found to be in agreement with high precision measurements of the Hall RH(T) coefficient ...
  • 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 ...
  • Magnetic-field-induced effects in the electronic structure of itinerant d- and f-metal systems 
    Grechnev, G.E. (Физика низких температур, 2009)
    A paramagnetic response of transition metals and itinerant d- and f -metal compounds in an external magnetic field is studied by employing ab initio full-potential LMTO method in the framework of the local spin density ...
  • Magnetic properties and electronic structure of LaFeAsO₀.₈₅F₀.₁ 
    Fedorchenko, A.V.; Grechnev, G.E.; Desnenko, V.A.; Panfilov, A.S.; Volkova, O.S.; Vasiliev, A.N. (Физика низких температур, 2010)
    The magnetic properties of LaFeAsO₀.₈₅F₀.₁ compound were investigated by measurements of dc magnetization at different values of the magnetic field, H = 0.02, 1.0 and 2.0 T, in the temperature range 4.2–300 K. The ...
  • Magnetic susceptibility of HCP iron and seismic anisotropy of the Earth’s core 
    Grechnev, G.E.; Ahuja, R.; Eriksson, O. (Физика и техника высоких давлений, 2003)
    The seismic anisotropy of the Earth was proposed to be due to a preferred orientation of HCP iron crystals that constitutes the dominating element in the core. The suggested mechanism involves the anisotropy of the magnetic ...
  • Magnetovolume effect in Ce(Ni1−xCux)₅ alloys 
    Grechnev, G.E.; Logosha, A.V.; Panfilov, A.S.; Svechkarev, I.V.; Musil, O.; Svoboda, P. (Физика и техника высоких давлений, 2007)
    Magnetic susceptibility χ of the isostructural Ce(Ni1−xCux)₅ alloys (0 ≤ x ≤ 0.9) was studied as a function of the hydrostatic pressure up to 2 kbar at fixed temperatures of 77.3 and 300 K, using a pendulum-type magnetometer. ...
  • 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 effect on electronic structure and magnetic properties of MB₆ and MB₁₂ borides 
    Grechnev, G.E.; Baranovskiy, A.E.; Logosha, A.V.; Panfilov, A.S.; Fil, V.D.; Ignatova, T.V.; Shitsevalova, N.Yu.; Eriksson, O. (Физика и техника высоких давлений, 2006)
    Theoretical and experimental studies of the pressure effect on electronic structure and magnetic properties of MB₆ and MB₁₂ borides are carried out to determine the electronic ground states and interactions responsible for ...
  • Pressure effect on magnetic properties of gadolinium in paramagnetic state 
    Panfilov, A.S.; Grechnev, G.E.; Logosha, A.V.; Zhuravleva, I.P. (Физика и техника высоких давлений, 2013)
    In this report we are mostly focused on refinement of the experimental dependence of the magnetic transition temperature TC on pressure under pure hydrostatic (gaseous) conditions. Unlike previously used methods, we employed ...
  • Pressure effect on magnetic properties of valence fluctuating system Ce(Ni₁₋xCux)₅ 
    Grechnev, G.E.; Logosha, A.V.; Panfilov, A.S.; Svechkarev, I.V.; Musil, O.; Svoboda, P. (Физика низких температур, 2011)
    Magnetic susceptibility χ of the isostructural Ce(Ni₁₋xCux)₅ alloys (0 ≤ x ≤ 0.9) was studied as a function of the hydrostatic pressure up to 2 kbar at fixed temperatures 77.3 and 300 K. A pronounced pressure effect on ...
  • Pressure effect on magnetic susceptibility and exchange interactions in GdMx (x = 1, 2, 3, 5) systems 
    Grechnev, G.E.; Panfilov, A.S.; Baranovskiy, A.E.; Logosha, A.V.; Svechkarev, I.V. (Физика и техника высоких давлений, 2004)
    Effect of pressure on electronic structure and magnetic properties of GdMx (x = 1, 2, 3, 5) systems is studied experimentally and theoretically. By employing the ab initio electronic structure calculations, the magnetic ...
  • Pressure effect on magnetic susceptibility of LaCoO₃ 
    Panfilov, A.S.; Grechnev, G.E.; Zhuravleva, I.P.; Lyogenkaya, A.A.; Pashchenko, V.A.; Savenko, B.N.; Novoselov, D.; Prabhakaran, D.; Troyanchuk, I.O. (Физика низких температур, 2018)
    The effect of pressure on magnetic properties of LaCoO₃ is studied experimentally and theoretically. The pressure dependence of magnetic susceptibility χ of LaCoO₃ is obtained by precise measurements of χ as a function of ...
  • Pressure effect on the Fermi surface and electronic structure of LuGa₃ and TmGa₃ 
    Pluzhnikov, V.B.; Grechnev, G.E.; Czopnik, A.; Eriksson, O. (Физика низких температур, 2005)
    The Fermi surfaces and cyclotron masses of LuGa₃ and TmGa₃ compounds are studied by means of the de Haas—van Alphen effect technique under pressure. The highly anisotropic pressure dependences of the de Haas—van Alphen ...
  • Pressure effects on electronic structure and magnetic properties of anisotropic metallic compounds 
    Grechnev, G.E.; Panfilov, A.S.; Fedorchenko, A.V.; Svechkarev, I.V.; FIlippov, V.B.; Lyashchenko, A.B.; Vasiliev, A.N. (Физика и техника высоких давлений, 2008)
    Pressure effects on electronic structure and magnetic properties of anisotropic metallic materials (CrB₂, FeGe₂, LaFeAsO) are investigated. Magnetic susceptibilities of CrB₂ and FeGe₂ compounds were studied under hydrostatic ...
  • 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 ...