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Sigov Aleksandr Sergeevich

Publications in Math-Net.Ru

  1. Memristor effect in PZT:TiO$_x$ composite film

    Pisma v Zhurnal Tekhnicheskoi Fiziki, 51:12 (2025),  38–42
  2. Friction-induced polarization dynamics in Bi$_4$Ti$_3$O$_{12}$ thin films

    Fizika Tverdogo Tela, 65:12 (2023),  2267–2274
  3. Imry–Ma phase in systems with defects of “random local field” and “random local anisotropy” types

    Fizika Tverdogo Tela, 64:1 (2022),  3–18
  4. Comparison of characteristics of thin PZT films on Si-on-sapphire and Si substrates

    Fizika Tverdogo Tela, 63:8 (2021),  1076–1083
  5. Quasi-one-dimensional Ising models with defects of the “random local field” type: the Imry–Ma phase in spaces with a dimension higher than the lower critical dimensionality

    Fizika Tverdogo Tela, 63:1 (2021),  133–136
  6. Stochastic dynamics of self-organizing social systems with memory (electoral processes)

    Inform. Primen., 15:2 (2021),  112–121
  7. Two-dimensional $O(n)$ models with defects of “random local anisotropy” type

    Fizika Tverdogo Tela, 62:4 (2020),  610–613
  8. Long-range order induced by random fields in two-dimensional $O(n)$ models, and the Imry–Ma state

    Fizika Tverdogo Tela, 62:2 (2020),  281–285
  9. Studying microwave-photonics design principle of a responsive jammer for radio-controlled explosive devices

    Pisma v Zhurnal Tekhnicheskoi Fiziki, 46:22 (2020),  31–34
  10. Thermal detector for measuring radiation parameters of pulsed lasers and generators of submillimetre and millimetre ranges

    Kvantovaya Elektronika, 50:11 (2020),  1034–1035
  11. Changes in the magnetic structure of multiferroic BiFe$_{0.80}$Cr$_{0.20}$O$_{3}$ with temperature

    Fizika Tverdogo Tela, 61:6 (2019),  1107–1113
  12. The Imry–Ma phase in a nanocrystalline ferromagnet

    Fizika Tverdogo Tela, 60:9 (2018),  1689–1692
  13. The mechanisms of absorption of terahertz and infrared radiation in PZT films

    Fizika Tverdogo Tela, 60:6 (2018),  1214–1222
  14. Effect of the crystal structure on the electrical properties of thin-film PZT structures

    Fizika Tverdogo Tela, 60:3 (2018),  547–552
  15. Determination of the steady state leakage current in structures with ferroelectric ceramic films

    Fizika Tverdogo Tela, 60:3 (2018),  431–434
  16. Excitation of surface waves in plane-layered structures and development of optical modulators

    Zhurnal Tekhnicheskoi Fiziki, 88:3 (2018),  433–437
  17. High-sensitivity photodetector based on atomically thin MoS$_{2}$

    Fizika i Tekhnika Poluprovodnikov, 52:6 (2018),  625–629
  18. Schottky-barrier model nonlinear in surface-state concentration and calculation of the I–V characteristics of diodes based on SiC and its solid solutions in the composite charge-transport model

    Fizika i Tekhnika Poluprovodnikov, 52:3 (2018),  366–369
  19. Cubic anisotropy created by defects of “random local anisotropy” type, and phase diagram of the $O(n)$ model

    Fizika Tverdogo Tela, 59:12 (2017),  2420–2424
  20. Phase diagram for the $O(n)$ model with defects of “random local field” type and verity of the Imry–Ma theorem

    Fizika Tverdogo Tela, 59:10 (2017),  1992–1998
  21. Mössbauer studies of multiferroics BiFe$_{1-x}$Cr$_{x}$O$_{3}$ ($x$ = 0–0.20)

    Fizika Tverdogo Tela, 59:8 (2017),  1535–1541
  22. Mössbauer studies of spatial spin-modulated structure and hyperfine interactions in multiferroic Bi$^{57}$Fe$_{0.10}$Fe$_{0.85}$Cr$_{0.05}$O$_{3}$

    Fizika Tverdogo Tela, 59:3 (2017),  433–439
  23. Psycholinguistic analysis of text messages in Russian based on their phonosemantic statistical characteristics

    Inform. Primen., 11:3 (2017),  80–89
  24. The properties of short-circuited HTSC coils

    Zhurnal Tekhnicheskoi Fiziki, 87:6 (2017),  875–879
  25. Imry–Ma disordered state induced by impurities of “random local anisotropy” type in the system with $O(n)$ symmetry

    Fizika Tverdogo Tela, 58:10 (2016),  1947–1949
  26. A mechanism of long-range order induced by random fields: Effective anisotropy created by defects

    Fizika Tverdogo Tela, 58:9 (2016),  1783–1785
  27. Anisotropy induced by impurities of “random local field” type in $O(n)$ models and suppression of the Imry–Ma inhomogeneous state

    Fizika Tverdogo Tela, 58:8 (2016),  1614–1616
  28. Spatial spin-modulated structure and hyperfine interactions of $^{57}$Fe nuclei in multiferroics BiFe$_{1-x}$T$_{x}$O$_{3}$ ($T$ = Sc, Mn; $x$ = 0, 0.05)

    Fizika Tverdogo Tela, 58:1 (2016),  102–107
  29. Calculation of the Schottky barrier and current–voltage characteristics of metal–alloy structures based on silicon carbide

    Fizika i Tekhnika Poluprovodnikov, 50:9 (2016),  1190–1194
  30. Polarization switching of multiaxial ferroelectrics in an electric field

    Fizika Tverdogo Tela, 57:6 (2015),  1143–1148
  31. Terahertz-infrared electrodynamics of lead zirconate-titanate films on a platinum sublayer

    Fizika Tverdogo Tela, 57:6 (2015),  1138–1142
  32. Formation and properties of porous films of lead zirconate titanate

    Fizika Tverdogo Tela, 57:3 (2015),  487–490
  33. Effect of spontaneous polarization change on current-voltage characteristics of thin ferroelectric films

    Fizika Tverdogo Tela, 57:3 (2015),  465–468
  34. Nonlinear optical diagnostics of local crystallization of lead zirconate titanate films using femtosecond laser radiation

    Pisma v Zhurnal Tekhnicheskoi Fiziki, 41:9 (2015),  16–23
  35. Diagnostics of a spatial spin-modulated structure using nuclear magnetic resonance and Mössbauer spectroscopy

    Pis'ma v Zh. Èksper. Teoret. Fiz., 100:7 (2014),  518–524
  36. Mössbauer effect study of $\mathrm{Bi_{0.8}La_{0.2}FeO_3}$ multiferroic on $^{57}$Fe nuclei

    Pis'ma v Zh. Èksper. Teoret. Fiz., 94:9 (2011),  757–761
  37. Surface spin-flop transition in an antiferromagnet

    UFN, 180:7 (2010),  709–722
  38. Concentration phase transition in systems with weak anisotropy

    Pis'ma v Zh. Èksper. Teoret. Fiz., 90:11 (2009),  818–820
  39. Plasmonic enhancement of linear birefringence and linear dichroism in anisotropic optical metamaterials

    Pis'ma v Zh. Èksper. Teoret. Fiz., 90:6 (2009),  478–482
  40. New type of domain boundaries in multilayer magnetic structures

    UFN, 169:8 (1999),  922–924
  41. Transport phenomena in metals with quantum defects

    UFN, 164:3 (1994),  243–261
  42. Muon spin relaxation in crystals with defects

    UFN, 163:9 (1993),  75–88
  43. Defect interaction and $1/f$ noise in metals

    Fizika Tverdogo Tela, 34:2 (1992),  457–460
  44. Acoustic absorption by two-level systems in a superconductor

    Fizika Tverdogo Tela, 33:11 (1991),  3343–3347
  45. Sound absorption by two-level systems in single crystal niobium

    Fizika Tverdogo Tela, 33:6 (1991),  1772–1776
  46. Muon spin ·relaxation in metals with defe ·st

    Fizika Tverdogo Tela, 33:4 (1991),  1161–1165
  47. Heat conductivity of metals with thermalized defects

    Fizika Tverdogo Tela, 32:11 (1990),  3234–3239
  48. Magnetic field effect on the relaxation peak of dielectric losses in polymers

    Fizika Tverdogo Tela, 32:4 (1990),  1172–1176
  49. Quantum diffusion of hydrogen in transition metal hydrides

    Fizika Tverdogo Tela, 32:2 (1990),  639–641
  50. Effect of point defects on the properties of ferroelectrics with one spontaneous polarization axis near the Lifshits point

    Fizika Tverdogo Tela, 31:8 (1989),  272–274
  51. On the temperature dependence of the elastic properties of layered crystals

    Fizika Tverdogo Tela, 31:8 (1989),  42–45
  52. Physical anomalies in the phase transitions observed in pyroelectrics and improper ferroelectrics with charged defects

    Fizika Tverdogo Tela, 31:4 (1989),  184–188
  53. Stability of bistable thermal-systems with phase-transformations

    TVT, 27:1 (1989),  109–115
  54. Elastic light scattering from charged defects in ferroelectrics

    Fizika Tverdogo Tela, 30:7 (1988),  2104–2111
  55. Low frequency dispersion of the dielectric constant of a uniaxial ferroelectric with charged defects

    Fizika Tverdogo Tela, 29:9 (1987),  2666–2670
  56. Light scattering from dislocations in the vicinity of structural phase transitions

    Fizika Tverdogo Tela, 29:2 (1987),  604–606
  57. Absorption coefficient and sound velocity anomalies in the vicinity of phase transitions of the second kind in crystals with dislocations

    Fizika Tverdogo Tela, 29:2 (1987),  601–604
  58. The second harmonic generation in imperfect crystals near structural phase transitions

    Fizika Tverdogo Tela, 28:2 (1986),  436–439
  59. Acoustic properties of crystals with nonpolar defects in the second order phase transition region

    Fizika Tverdogo Tela, 27:12 (1985),  3581–3585
  60. Dilatation centers and physical property anomalies of crystals near phase transition points

    Fizika Tverdogo Tela, 26:1 (1984),  249–252
  61. On light scattering theory in crystals with defects near the phase transition point

    Fizika Tverdogo Tela, 25:10 (1983),  2979–2983
  62. Defects near phase transition point: approximation of quasi-isolated defects

    Fizika Tverdogo Tela, 25:10 (1983),  2975–2978
  63. Point defect near order-disorder type phase transition

    Fizika Tverdogo Tela, 25:8 (1983),  2297–2300
  64. Ginzburg–Landau expansion and order parameter for spin glasses

    Fizika Tverdogo Tela, 25:6 (1983),  1597–1604
  65. Point defect near the displacive phase transition

    Fizika Tverdogo Tela, 25:5 (1983),  1352–1356
  66. Thermodynamics of the two-dimensional $\varphi^{4}$ model

    Fizika Tverdogo Tela, 25:5 (1983),  1276–1279

  67. Sergei Apollonovich Nikitov (on his 70th birthday)

    UFN, 195:4 (2025),  451–452
  68. In memory of Vladislav Ivanovich Pustovoit

    UFN, 191:8 (2021),  899–900
  69. In memory of Mitrofan Fedorovich Stel'makh

    Kvantovaya Elektronika, 48:12 (2018),  1179
  70. In memory of Vasilii Ivanovich Shveikin (4 February 1935 – 4 January 2018)

    Kvantovaya Elektronika, 48:3 (2018),  290
  71. In memory of Lev Abramovich Rivlin

    Kvantovaya Elektronika, 43:5 (2013),  502
  72. In memory of Aleksandr Apollonovich Kazakov

    Kvantovaya Elektronika, 42:4 (2012),  375

© Steklov Math. Inst. of RAS, 2025