Перегляд за автором "Troyanchuk, I.O."

Сортувати за: Порядок: Результатів:

  • 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 ...
  • Antiferromagnet-ferromagnet transition in La₁–xSrxMn₀.₅Ni₀.₅O₃ (0 ≤ x ≤ 0.2) ceramics 
    Troyanchuk, I.O.; Karpinsky, D.V.; Bushinsky, M.V.; Sirenko, V.A.; Sikolenko, V.V.; Franz, A. (Физика низких температур, 2017)
    Ceramics samples of La₁–xSrxMn₀.₅Ni₀.₅O₃ (0 ≤ x ≤ 0.2) with perovskite structure have been studied by neutron diffraction method, magnetometry and magnetoresistance measurements. Structural data testify a partial order of ...
  • Antiferromagnet–ferromagnet transition in the cobaltites 
    Troyanchuk, I.O.; Bushinsky, M.V.; Karpinsky, D.V.; Sirenko, V.A. (Физика низких температур, 2012)
    The three series oxygen-deficient cobaltites La₀.₅Ba₀.₅CoO₃₋δ, LnBaCo₂O₅.₅ and Sr₂YCo₄O₁₀.₅ have been studied. It has been shown that La₀.₅Ba₀.₅CoO₃ is an insulating ferromagnet whereas La₀.₅Ba₀.₅CoO₂.₇₅ is a pure anti ...
  • Effect of oxygen content on magnetization and magnetoresistance properties of CMR manganites 
    Trukhanov, S.V.; Troyanchuk, I.O.; Korshunov, F.P.; Sirenko, V.A.; Szymczak, H.; Baerner, K. (Физика низких температур, 2001)
    The influence of oxygen content on the magnetization and electrical resistivity of Ln₀.₅A₀.₅MnO₃ (Ln=La,Pr,Nd; A=Ca,Ba) manganites with the perovskite structure is investigated. It is shown that the La₀.₅Ca₀.₅MnO₃₋γ compound ...
  • Magnetic phase transitions in the system La₁₋xBixMnO₃₊λ 
    Troyanchuk, I.O.; Mantytskaja, O.S.; Szymczak, H.; Shvedun, M.Yu. (Физика низких температур, 2002)
    The crystal structure and magnetic properties of the La₁₋xBixMnO₃₊λ system (0⩽x⩽1;λ⩽0.08) are studied as functions of the oxygen and bismuth contents. In oxidized samples La₁₋xBixMnO₃₊λ a phase transition from a ferromagnetic ...
  • Paramagnet-to-ferromagnet and insulator-to-metal phase transitions in La₀.₈₈MnO₂.₉₅ 
    Lazuta, A.V.; Ruzhov, V.A.; Khavronin, V.P.; Chernenkov, Yu.P.; Smirnov, O.P.; Molkanov, P.L.; Troyanchuk, I.O.; Khomchenko, V.A. (Functional Materials, 2010)
  • 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 ...
  • Unusual paramagnet to ferromagnet phase transition and magnetic inhomogeneities in hole doped manganites 
    Lazuta, A.V.; Ryzhov, V.A.; Kiselev, I.A.; Chernenkov, Yu.P.; Smirnov, O.P.; Molkanov, P.L.; Troyanchuk, I.O.; Khomchenko, V.A. (Functional Materials, 2008)
    Results of structural neutron diffraction study, nonlinear magnetic response and magnetic resonance measurements are presented for insulating La₀.₈₈MnO₂.₉₁ with Tc ≈ 216 K. The diffraction data are considered using the ...