Перегляд за автором "Ivanov, A.A."

Сортувати за: Порядок: Результатів:

  • Anisotropic temperature dependence of normal state resistivity in underdoped region of a layered electron-doped superconductor Nd₂−xCexCuO₄ 
    Klepikova, A.S.; Charikova, T.B.; Shelushinina, N.G.; Popov, M.R.; Ivanov, A.A. (Физика низких температур, 2019)
    The aim of this work is to investigate the temperature dependences both in CuO₂ plane and out-of plane resistivities in electron-doped Nd₂–xCexCuO₄ for x from 0.135 up to 0.15 in order to analyze the anisotropy of the ...
  • Anomalous behavior of the Hall effect in electron-doped superconductor Nd₂₋xCexCuO₄₊δ with nonstoichiometric disorder 
    Charikova, T.B.; Shelushinina, N.G.; Harus, G.I.; Neverov, V.N.; Petukhov, D.S.; Sochinskaya, O.E.; Ivanov, A.A. (Физика низких температур, 2011)
    Magnetoresistivity and Hall effect measured in magnetic fields up to B=9T (B║c, J║ab) in electrondoped Nd₂₋xCexCuO₄₊δ single crystal films with x = 0.14; 0.15; 0.18 and different oxygen content (δ) were studied in a ...
  • Axially symmetric magnetic mirror traps. Recent progress in plasma confinement and heating 
    Kruglyakov, E.P.; Burdakov, A.V.; Ivanov, A.A. (Вопросы атомной науки и техники, 2009)
    New results of studies of plasma heating and confinement in the axisymmetric mirror traps are presented. It is shown that due to excitation of the instability at the bounce frequency (bounce instability) the effects of ...
  • Axisymmetric open magnetic systems for plasma confinement 
    Kruglyakov, E.P.; Dimov, G.I.; Ivanov, A.A.; Koidan, V.S. (Вопросы атомной науки и техники, 2002)
    At present, three modern types of different mirror machines for plasma confinement and heating exist in Novosibirsk (Gas Dynamic Trap, -GDT, Multi-mirror, - GOL-3, Tandem Mirror, -AMBAL-M). All these systems are attractive ...
  • Calculation of DC arc plasma torch voltage-current characteristics based on Steenbeck model 
    Gnedenko, V.G.; Ivanov, A.A.; Pereslavtsev, A.V.; Tresviatsky, S.S. (Вопросы атомной науки и техники, 2006)
    Modern technology of treatment of waste and equilibrium plasma chemistry is based on plasma technology of gas heating using the direct current arc plasma torches. The work is devoted to the problem of the determination ...
  • Doping effect on the evolution of the pairing symmetry in n-type superconductor near antiferromagnetic phase boundary 
    Charikova, T.B.; Shelushinina, N.G.; Harus, G.I.; Neverov, V.N.; Petukhov, D.S.; Petukhova, O.E.; Ivanov, A.A. (Физика низких температур, 2015)
    We present the investigation results of the in-plane ρ(T) resistivity tensor at the temperature range 0.4–40 K in magnetic fields up to 90 kOe (H || c, J || ab) for electron-doped Nd₂₋xCexCuO₄+δ with different degree of ...
  • High pressure plasma confinement and stability in gas dynamic trap 
    Ivanov, A.A.; Anikeev, A.V.; Bagryansky, P.A.; Karpushov, A.N.; Korepanov, S.A.; Kornilov, V.N.; Lizunov, A.A.; Maximov, V.V.; Murakhtin, S.V. (Вопросы атомной науки и техники, 2000)
    The paper reviews recent results obtained in the studies of high beta plasma confinement in Gas-Dynamic Trap (GDT) device. Successful application of Ti -gettering and increase of NB injection power and duration enable to ...
  • Magnetic mirrors: history, results, and future prospects 
    Beklemishev, A.D.; Burdakov, A.V.; Ivanov, A.A.; Kruglyakov, E.P. (Вопросы атомной науки и техники, 2012)
    The evolution of open traps brought them from simple solenoids to highly sophisticated and huge tandem mirrors with quadrupole magnetic stabilizers. They tried to compete with toroidal devices using ambipolar confinement ...
  • Open ended axially symmetric systems. Results and perspectives 
    Burdakov, A.V.; Ivanov, A.A.; Kruglyakov, E.P. (Вопросы атомной науки и техники, 2006)
    Significant progress of the simplest axisymmetric magnetic systems for plasma confinement and heating is described. Two of such systems are presented in this paper: multi mirror (GOL-3) and gas dynamic (GDT) traps. In ...
  • Parametric instabilities excited by ECR-resonance heating in a mirror machine 
    Ivanov, A.A.; Meyer, D.; Serebrennikov, K.S.; Wiesemann, K.; Wolters, U. (Вопросы атомной науки и техники, 2000)
    The process of phase randomization during electron cyclotron resonance heating has been studied intensely in different aspects with single particle approximations. Studies of parametric instabilities in plasmas introduce ...
  • Some results of stellarator optimization 
    Mikhailov, M.I.; Cooper, W.A.; Heyn, M.F.; Isaev, M.Yu.; Ivanov, A.A.; Kalyuzhnyj, V.N.; Kasilov, S.V.; Kerbichler, W.; Martynov, A.A.; Medvedev, S.Yu.; Nemov, V.V.; Nührenberg, J.; Poshekhonov, Yu.Yu.; Samitov, M.A.; Shafranov, V.D.; Skovoroda, A.A.; Subbotin, A.A.; Zille, R. (Вопросы атомной науки и техники, 2002)
    The collisionless confinement of all reflected particles with orbits that star within the inner half of the plasma of a stellarator with the poloidal direction of the contours of the magnetic field strenght B is shown ...
  • Status of modern mirror studies in Novosibirsk 
    Kruglyakov, E.P.; Ivanov, A.A.; Koidan, V.S. (Вопросы атомной науки и техники, 2005)
    Mirrors have a number of advantages in comparison with the closed magnetic systems like tokamak, stellarator, etc. In principle, mirrors are very attractive from the engineering point of view, if the plasma confined in ...
  • The estimation of coherence length for electron-doped superconductor Nd₂₋xCexCuO₄₊δ 
    Charikova, T.B.; Harus, G.I.; Shelushinina, N.G.; Sochinskaya, O.E.; Ivanov, A.A. (Физика низких температур, 2011)
    Results of low-temperature upper critical field measurements for Nd₂₋xCexCuO₄₊δ single crystals with various x and nonstoichiometric disorder (δ) are presented. The coherence length of pair correlation ξ and the product ...
  • The mixed-state Hall conductivity of single-crystal films Nd₂–xCexCuO₄₊δ (x = 0.14) 
    Shelushinina, N.G.; Harus, G.I.; Charikova, T.B.; Petukhov, D.S.; Petukhova, O.E.; Ivanov, A.A. (Физика низких температур, 2017)
    The magnetic-field dependencies of the longitudinal and Hall resistivity of the electron-doped compounds Nd₂–xCexCuO₄₊δ in underdoped region (x = 0.14) were investigated. It was established experimentally a strong magnetic ...
  • Weak ion sound turbulence and isotope anomaly in electron cyclotron resonance ion source plasmas 
    Ivanov, A.A.; Serebrennikov, K.S.; Vostrikova, E.A.; Wiesemann, K. (Вопросы атомной науки и техники, 2006)
    The production of highly charged ions is very efficient in highly ionized microwave heated plasma in an electron cyclotron resonance ion source (ECRIS). Recent experimental results have revealed that better production of ...