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ANTIFERROMAGNETIC-RESONANCE OF LOW-DIMENSIONAL RB2MNXCD1-XCL4 ANTIFERROMAGNETS / G. A. PETRAKOVSKII [и др.] // Fiz. Tverd. Tela. - 1984. - Vol. 26, Is. 4. - P. 1200-1202. - Cited References: 5 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
PETRAKOVSKII, G. A.; EMELYANOVA, L. S.; POZDNYAKOV, V. G.; KOROLEV, V. K.
}
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LOSEVA, G. V.
SPECIFIC FEATURES OF ELECTRIC CONDUCTION IN ALPHA-MNXS ANTIFERROMAGNETIC SEMICONDUCTORS / G. V. LOSEVA, S. G. OVCHINNIKOV, L. I. RYABINKINA // Fiz. Tverd. Tela. - 1986. - Vol. 28, Is. 7. - P. 2048-2052. - Cited References: 12 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; RYABINKINA, L. I.
}
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ERUKHIMOV, M. S.
CARRIER ENERGY FLUCTUATION SHIFT IN WIDE-GAP ANTIFERROMAGNETIC SEMICONDUCTORS / M. S. ERUKHIMOV, S. G. OVCHINNIKOV // Fiz. Tverd. Tela. - 1986. - Vol. 28, Is. 8. - P. 2306-2309. - Cited References: 9 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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LOSEVA, G. V.
DIELECTRIC-CONSTANT AND ELECTRICAL-CONDUCTIVITY OF ALPHA-MNS IN THE ANTIFERROMAGNETIC REGION / G. V. LOSEVA, L. I. RYABINKINA // Fiz. Tverd. Tela. - 1987. - Vol. 29, Is. 10. - P. 3140-3141. - Cited References: 5 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
RYABINKINA, L. I.
}
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OVCHINNIKOV, S. G.
SPECTRUM OF ELECTRONS IN AN ANTIFERROMAGNETIC SEMICONDUCTOR / S. G. OVCHINNIKOV // JOURNAL OF PHYSICS C-SOLID STATE PHYSICS. - 1987. - Vol. 20, Is. 7. - P. 933-940, DOI 10.1088/0022-3719/20/7/008. - Cited References: 19 . - ISSN 0022-3719

РУБ Physics, Condensed Matter

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Scopus
Держатели документа:
Kirensky Inst of Physics, Krasnoyarsk, USSR, Kirensky Inst of Physics, Krasnoyarsk, USSR
ИФ СО РАН
Доп.точки доступа:
Овчинников, Сергей Геннадьевич
}
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LOSEVA, G. V.
METAL-INSULATOR TRANSITION AND ANTIFERROMAGNETIC ORDER IN CRXMN1-XS / G. V. LOSEVA, L. I. RYABINKINA, S. G. OVCHINNIKOV // Fiz. Tverd. Tela. - 1989. - Vol. 31, Is. 3. - P. 45-49. - Cited References: 12 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
RYABINKINA, L. I.; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич
}
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MAGNETIC PHASE-DIAGRAM OF CRXMN1-XS ANTIFERROMAGNETIC SEMICONDUCTORS / G. A. PETRAKOVSKII [и др.] // Fiz. Tverd. Tela. - 1989. - Vol. 31, Is. 4. - P. 172-176. - Cited References: 7 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
PETRAKOVSKII, G. A.; APLESNIN, S. S.; LOSEVA, G. V.; RYABINKINA, L. L.
}
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Ppatrin, G. S.
Polarization-dependent photoinduced change in antiferromagnetic-resonance of alpha-Fe2O3-Eu,Ga / G. S. Ppatrin, N. V. Volkov, G. A. Petrakovskii // JETP Letters. - 1990. - Vol. 52, Is. 3. - P. 185-188. - Cited References: 7 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary

WOS
Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Патрин, Геннадий Семёнович
}
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Valkov, V. V.
EXCITATION SPECTRUM OF DIMERIZED ANTIFERROMAGNETIC HEISENBERG CHAIN / V. V. VALKOV, S. G. OVCHINNIKOV, O. G. PETRAKOVSKII // Fiz. Tverd. Tela. - 1990. - Vol. 32, Is. 7. - P. 2001-2003. - Cited References: 5 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Petrakovskii, G. A.; Петраковский, Герман Антонович; Val'kov, V. V.
}
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10.

Weak ferromagnetism and magnetic-behavior of (CH3NH3)2MNCL4 quasidimetric antiferromagnetic / N. V. Fedoseeva [et al.] // Fiz. Tverd. Tela. - 1994. - Vol. 36, Is. 9. - P. 2609-2617. - Cited References: 8 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Fedoseeva, N. V.; Aplesnin, S. S.; Аплеснин, Сергей Степанович; Nikolaev, E. M.; Perepelitsa, A. P.
}
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11.

OVCHINNIKOV, S. G.
THE INFLUENCE OF THE ANTIFERROMAGNETISM ON THE ELECTRONIC-STRUCTURE OF LA2CUO4 / S. . OVCHINNIKOV // J. Supercond. - 1995. - Vol. 8: University-of-Miami Workshop on High-Temperature Superconductivity - Physical Properties and Mechanisms (JAN 05-11, 1995, CORAL GABLES, FL), Is. 5. - P. 675-676, DOI 10.1007/BF00727473. - Cited References: 15 . - ISSN 0896-1107

РУБ Physics, Applied + Physics, Condensed Matter
Рубрики:
OXIDES
MODEL
Кл.слова (ненормированные):
ELECTRON CORRELATIONS -- ELECTRON STRUCTURE -- SPIN FLUCTUATIONS -- Electron correlations -- electron structure -- spin fluctuations -- Antiferromagnetism -- Band structure -- Calculations -- Correlation theory -- Electrons -- Lanthanum compounds -- Paramagnetism -- Perturbation techniques -- Antiferromagnetic phase -- Electron correlations -- Intercluster interactions -- Spin fluctuations -- Electronic structure
Аннотация: The quasiparticle approach for electronic structure calculations considering strong electron correlations is given. The exact diagonalization of a multiband Hubbard Hamiltonian for a small cluster is combined with perturbation theory for intercluster hopping. The band structure of paramagnetic and antiferromagnetic La2CuO4 are discussed.

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Держатели документа:
L.V.Kirensky Institute of Physics, Krasnoyarsk, 660036, Russian Federation
}
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12.

Ovchinnikov, S. G.
EFFECT OF ANTIFERROMAGNETIC ORDERING ON ZONE STRUCTURE OF LA2CUO4 / C. G. OVCHINNIKOV // Zhurnal Eksperimentalnoi Teor. Fiz. - 1995. - Vol. 107, Is. 3. - P. 796-811. - Cited References: 42 . - ISSN 0044-4510

РУБ Physics, Multidisciplinary
Рубрики:
HIGH-TC SUPERCONDUCTORS
   ELECTRONIC-STRUCTURE
   OXIDE SUPERCONDUCTORS
   CHARGE-TRANSFER
   CUO2 PLANE
   MODEL
   HOLE
   SPECTRUM
   STATE

WOS

Доп.точки доступа:
Овчинников, Сергей Геннадьевич
}
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13.

Aplesnin, S. S.
Dimerization of antiferromagnetic chain with 4-spin interaction / S. S. Aplesnin // Fiz. Tverd. Tela. - 1996. - Vol. 38, Is. 6. - P. 1868-1877. - Cited References: 30 . - ISSN 0367-3294

РУБ Physics, Condensed Matter
Рубрики:
SPIN-1/2 HEISENBERG-ANTIFERROMAGNET
   COMPETING INTERACTIONS
   MONTE-CARLO
   THERMODYNAMIC PROPERTIES
   SYSTEMS
   CUGEO3
   TEMPERATURE
   NEUTRON
   STATE
   MODEL

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}
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14.

Metal-dielectric transition in the system of antiferromagnetic VxMn1-xS semiconductors / G. A. Petrakovskii [и др.] // Fiz. Tverd. Tela. - 1996. - Vol. 38, Is. 7. - P. 2131-2134. - Cited References: 5 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Petrakovskii, G. A.; Loseva, G. V.; Ryabinkina, L. I.; Kiselev, N. I.; Yanushkevich, K. I.
}
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15.

Valkov, V. V.
Influence of antiferromagnetic ordering on the de Haas-van Alphen effect in a semimetal / V. V. Valkov, D. M. Dzebisashvili // Phys. Solid State. - 1997. - Vol. 39, Is. 2. - P. 179-184, DOI 10.1134/1.1129779. - Cited References: 19 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
HIGH-TEMPERATURE SUPERCONDUCTORS
   NORMAL STATE
   OSCILLATIONS
   CEAS
Аннотация: The distinctive characteristics of the de Haas-van Alphen effect in semimetals with antiferromagnetic long-range order are investigated theoretically. It is shown that the transition of the subsystem of localized spins from the canted antiferromagnetic phase to the ferromagnetic phase is accompanied by an abrupt change in the ''frequency'' of the magnetization oscillations of band carriers M-similar to. In the below-critical range of magnetic fields, M-similar to is not a function periodic in 1/H. Significantly, the additional contribution to the phase of the oscillatory factors is proportional to H-2 and is determined entirely by quantum fluctuations in the antiferromagnetic subsystem. (C) 1997 American Institute of Physics.

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Держатели документа:
L.V. Kirenskii Inst. of Phys., Siberian Br. Russ. Acad. of Sci., 660036 Krasnoyarsk, Russian Federation
ИФ СО РАН

Доп.точки доступа:
Dzebisashvili, D. M.; Дзебисашвили, Дмитрий Михайлович; Val'kov, V. V.
}
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16.

Antiferromagnetic resonance in Bi2CuO4 / L. E. Svistov [et al.] // J. Exp. Theor. Phys. - 1998. - Vol. 86, Is. 6. - P. 1228-1233, DOI 10.1134/1.558595. - Cited References: 14 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
SINGLE-CRYSTAL
RANGE
Аннотация: Magnetic resonance of the low-frequency spin-wave branch in the Bi2CuO4 antiferromagnet with an easy-plane anisotropy has been studied. Angular, frequency, and temperature dependences of the position and width of the antiferromagnetic resonance (AFMR) line have been measured. Our measurements combined with earlier data [H. Ochta, K. Yoshida, T. Matsuya, T. Nanba, M. Motokawa, K. Yamada, Y. Endon, and S. Hosoya, J. Phys. Sec. Jpn. 61, 2921 (1992); E. W. Ong, G. H. Kwei, R. A. Robinson, B. L. Ramakrishna, and R. B. von Dreele, Phys. Rev. B 42, 4255 (1990)] have allowed us to determine anisotropy constants of this material and to account for the unusual character of its static susceptibility anisotropy. The AFMR line shifts to the high-field side and broadens in a temperature range of 10-15 K, and the cause of this has remained unclear. In the low-temperature range the line shows a hysteresis corresponding to a static field magnitude several times as large as the spin-flop field. The position and width of the AFMR line depend sensitively on the sample preparation technique. (C) 1998 American Institute of Physics.

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Держатели документа:
Russian Acad Sci, AV Shubnikov Crystallog Inst, Moscow 177333, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Dept, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Svistov, L. E.; Chubarenko, V. A.; Shapiro, A. Y.; Zalesskii, A. V.; Petrakovskii, G. A.; Петраковский, Герман Антонович
}
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17.

Vasil'ev, V. N.
Investigation of the effect of uniaxial pressure on antiferromagnetic resonance in KFe11Ol7 crystals / V. N. Vasil'ev, E. N. Matveiko // Phys. Solid State. - 1998. - Vol. 40, Is. 3. - P. 471-473, DOI 10.1134/1.1130311. - Cited References: 7 . - ISSN 1063-7834

РУБ Physics, Condensed Matter

Аннотация: The deformation dependence of the resonance field in KFe11O17 single crystals was investigated by the AFMR method The measurements were performed at T = 77 K and nu = 47.52 GHz for two orientations of the external pressure, The experimental data are discussed in terms of a model of a very simple easy-place antiferromagnet taking account of the elastic and magnetoelastic contributions to the thermodynamic potential The magnetostriction, magnetoelastic, and elastic contants are calculated and the results are lambda = 1.94 x 10(-5), B-1 = 2.75 X 10(8) erg/cm(3), and C-11-C-12 = 1.42 X 10(13) erg/cm(3), respectively. The values of these constants imply that the origin of the initial gap in the AFMR spectrum is not of magnetoelastic origin. (C) 1998 American Institute of Physics. [S1063-7834(98)02403-4].

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirenskii Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Matveiko, E. N.
}
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18.

Val'kov, V. V.
Quantum temperature fluctuations in the magnetization of antiferromagnetic semimetals / V. V. Val'kov, D. M. Dzebisashvili // Phys. Solid State. - 1998. - Vol. 40, Is. 9. - P. 1523-1529, DOI 10.1134/1.1130591. - Cited References: 19 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
FERMI-SURFACE
   OSCILLATIONS
   SUPERCONDUCTOR
   CEAS
Аннотация: It is shown that in semimetallic, low-temperature antiferromagnetic materials located in a quantizing magnetic field, the part of the band magnetization M similar to which oscillates in H can have a nonmonotonic temperature dependence. This non-Fermi liquid behavior will show up experimentally in the form of quantum temperature fluctuations of the magnetization when the decrease with rising temperature is oscillatory, rather than the usual monotonic decrease. It is shown that the magnetization from an individual spin electron (or hole) subband has the form of weakly damped periodic oscillations as a function of T-2. This result makes it possible to develop an efficient method for studying the electronic structure of antiferromagnetic semimetals based on an examination of the quantum temperature fluctuations. Calculations show that quantum temperature fluctuations can be observed, for example, in the cerium monopnictides CeP and CeAs, which are strongly correlated, antiferromagnetic, compensated semimetals with low Neel temperatures. (C) 1998 American Institute of Physics. [S1063-7834(98)02409-5].

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Dzebisashvili, D. M.; Дзебисашвили, Дмитрий Михайлович; Вальков, Валерий Владимирович
}
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19.

Gekht, R. S.
Magnetic ordering and phase transitions in planar antiferromagnetic systems with a Kagome lattice / R. S. Gekht, I. N. Bondarenko // J. Exp. Theor. Phys. - 1998. - Vol. 86, Is. 6. - P. 1209-1215, DOI 10.1134/1.558592. - Cited References: 23 . - ISSN 1063-7761

РУБ Physics, Multidisciplinary
Рубрики:
TRIANGULAR LATTICE
   2 DIMENSIONS
   SPIN
   MODEL
Аннотация: We study the process of magnetic ordering in planar antiferromagnetic systems with a Kagome lattice. It is found that if the interaction between next-nearest-neighbor spins is taken into account, the heat capacity of such systems has a singularity at a finite temperature T. On the basis of a scaling analysis of finite-size systems we study the behavior of thermodynamic quantities in the neighborhood of a phase transition. We find that the phase transition at the critical point is due to discrete- and continuous-symmetry breaking, in which the long-range chiral order and the power-law translational spin order emerge simultaneously. Finally, we calculate the temperatures of the transition to different (with three and nine spins per unit cell) ordered states. (C) 1998 American Institute of Physics.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Bondarenko, I. N.
}
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20.

Aplesnin, S. S.
Investigation of the magnetic properties of chains with alternating ferro- and antiferromagnetic exchange interactions in the Heisenberg model with spin S=1/2 / S. S. Aplesnin, G. A. Petrakovskii // Phys. Solid State. - 1999. - Vol. 41, Is. 9. - P. 1511-1512, DOI 10.1134/1.1131042. - Cited References: 11 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
HALDANE-GAP
SYSTEMS
Аннотация: The quantum Monte Carlo method is used to calculate the susceptibility and pairwise spin-spin correlation functions of chains with alternating ferro (K)- and antiferromagnetic (J)-exchange interactions within the Heisenberg model with spin S=1/2. From the susceptibility, the energy gap between the ground state and excited triplet states is determined for arbitrary ratios K/J. The value of the gap coincides with the Haldane gap for spin S=1 when K/J 1.25. (C) 1999 American Institute of Physics. [S1063-7834(99)02409-0].

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Публикация на русском языке Аплеснин, Сергей Степанович. Исследование магнитных свойств цепочки с чередующимися ферро- и антиферромагнитными обменными взаимодействиями в модели Гейзенберга со спином S=1/2 [Текст] / С. С. Аплеснин, Г. А. Петраковский // Физ. тверд. тела. - Санкт-Петербург, 1999. - Т. 41 Вып. 9. - С. 1650-1651

Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Petrakovskii, G. A.; Петраковский, Герман Антонович; Аплеснин, Сергей Степанович
}
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