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Kuzmin, E. V.
Paramagnetic-susceptibility and phonon instability of metal with localized and collectivized electron state mixing / E. V. Kuzmin, S. G. Ovchinnikov, I. S. Sandalov // Fiz. Tverd. Tela. - 1980. - Vol. 22, Is. 2. - P. 424-430. - Cited References: 22 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Sandalov, I. S.; Сандалов, Игорь Семёнович; Кузьмин, Евгений Всеволодович
}
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Velichko, V. V.
Paramagnetic-resonance absorption in Rb2MnCl4 / V. V. Velichko, E. A. Petrakovskaya // Fiz. Tverd. Tela. - 1980. - Vol. 22, Is. 6. - P. 1869-1871. - Cited References: 5 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Petrakovskaya, E. A.; Петраковская, Элеонора Анатольевна
}
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Berzhanskii, V. N.
Electron-paramagnetic-res relaxation in chromium chalcogenide spinels / V. N. Berzhanskii, S. A. GAVRICHKOV, V. I. IVANOV // Fiz. Tverd. Tela. - 1982. - Vol. 24, Is. 7. - P. 2215-2218. - Cited References: 8 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
GAVRICHKOV, S. A.; IVANOV, V. I.; Бержанский, Владимир Наумович
}
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PETRAKOVSKII, G. A.
CRITICAL LINE BROADENING OF THE ELECTRON-PARAMAGNETIC-RES IN THE TWO-DIMENSIONAL ANTI-FERROMAGNET CRYSTALS RB2MNCL4 AND RB2MN0,8CD0,2CL4 / G. A. PETRAKOVSKII, L. S. YEMELYANOVA, V. V. VELICHKO // Solid State Commun. - 1983. - Vol. 48, Is. 8. - P. 647-651, DOI 10.1016/0038-1098(83)90043-1. - Cited References: 17 . - ISSN 0038-1098

РУБ Physics, Condensed Matter

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Доп.точки доступа:
YEMELYANOVA, L. S.; VELICHKO, V. V.; Петраковский, Герман Антонович
}
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Malakhovskii, A. V.
Magneto-optical properties of rbmnf3 in the paramagnetic state / A. V. Malakhovskii, T. P. Morozova, V. I. Yuzvak // Phys. Status Solidi B. - 1983. - Vol. 119, Is. 1. - P. 411-417, DOI 10.1002/pssb.2221190147. - Cited References: 14 . - ISSN 0370-1972

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Morozova, T. P.; Yuzvak, V. I.; Малаховский, Александр Валентинович
}
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ELECTRON-PARAMAGNETIC-RES OF TRANSITION-METAL SUPER-PARAMAGNETIC PARTICLES IN POLYMER MATRICES / G. A. PETRAKOVSKII [и др.] // Fiz. Tverd. Tela. - 1983. - Vol. 25, Is. 11. - P. 3256-3260. - Cited References: 18 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
PETRAKOVSKII, G. A.; PISKORSKII, V. P.; SOSNIN, V. M.; KOSOBUDSKII, I. D.
}
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Vopilov, E. A.
NMR-study of induced ferrimagnetism in paramagnetic TLNIF3 / E. A. Vopilov, V. M. Buznik, V. N. Voronov // Fiz. Tverd. Tela. - 1984. - Vol. 26, Is. 2. - P. 535-537. - Cited References: 5 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

WOS
Доп.точки доступа:
Buznik, V. M.; Voronov, V. N.; Воронов, Владимир Николаевич
}
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SADREEV, A. F.
DIPOLE-DIPOLE INTERACTION EFFECT ON RADIATION-FIELD CONDENSATION IN PARAMAGNETIC CRYSTAL-RESONATORS / A. F. SADREEV, Y. V. SUKHININ // Fiz. Tverd. Tela. - 1984. - Vol. 26, Is. 9. - P. 2808-2814. - Cited References: 13 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
SUKHININ, Y. V.
}
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MN-2+ ELECTRON-PARAMAGNETIC-RES OF ISOLATED IONS AND EXCHANGE-COUPLED PAIRS IN CS2CDCL4 AND RB2CDCL4 / L. S. EMELYANOVA [и др.] // Fiz. Tverd. Tela. - 1984. - Vol. 26, Is. 6. - P. 1844-1846. - Cited References: 4 . - ISSN 0367-3294

РУБ Physics, Condensed Matter

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Доп.точки доступа:
EMELYANOVA, L. S.; PETRAKOVSKAYA, E. A.; EFIMOV, V. N.; STEPANOV, V. G.
}
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10.

Mn2+ paramagnetic resonance and structural phase transitions in Rb2CdCl4 / K. S. Aleksandrov [et al.] // Solid State Commun. - 1985. - Vol. 53, Is. 10. - P. 835-839. - Cited References: 18 . - ISSN 0038-1098
Кл.слова (ненормированные):
MAGNETIC RESONANCE -- OPTICAL METHODS -- PARAMAGNETIC RESONANCE -- STRUCTURAL PHASE TRANSITIONS -- CRYSTALS
Аннотация: Structural phase transition in Rb2CdCl4: Mn2+ single crystal has been found near 133 K by EPR, X-ray and optical methods. Octahedral tilt system in the low temperature phase corresponds to the symmetry change D17 4h > D18 2h or D17 4h > C6 2h. В© 1985.

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Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Emelyanova, L. S.; Misjul, S. V.; Мисюль, Сергей Валентинович; Kokov, I. T.
}
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11.

Malakhovskii, A. V.
Temperature dependences of 6A1G-]4A1G,4EG(4G) and 6A1G-]4EG(4D) absorption-bands in rbmnf3 in paramagnetic state / A. V. Malakhovskii, G. G. Vasilev, T. P. Morozova // Phys. Status Solidi B. - 1986. - Vol. 138, Is. 1. - P. 285-293, DOI 10.1002/pssb.2221380130. - Cited References: 19 . - ISSN 0370-1972

РУБ Physics, Condensed Matter

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Доп.точки доступа:
Vasilev, G. G.; Morozova, T. P.; Малаховский, Александр Валентинович
}
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12.

SADREEV, A. F.
UNUSUAL GAUGE PROPERTIES OF THE LOW-TEMPERATURE PHASE OF PARAMAGNETIC SYSTEMS COUPLED WITH A RADIATION-FIELD / A. F. SADREEV, Y. V. SUKHININ // Phys. Lett. A. - 1986. - Vol. 113, Is. 9. - P. 485-488, DOI 10.1016/0375-9601(86)90126-X. - Cited References: 12 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary

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Доп.точки доступа:
SUKHININ, Y. V.; Садреев, Алмаз Фаттахович
}
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13.

Goryachev, E. G.
Ferromagnetic paramagnetic state transition in the ground-state of the hubbard-model / E. G. Goryachev, E. V. Kuzmin // Phys. Lett. A. - 1988. - Vol. 131, Is. 7-8. - P. 481-485, DOI 10.1016/0375-9601(88)90306-4. - Cited References: 9 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary

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Доп.точки доступа:
Kuzmin, E. V.; Кузьмин, Евгений Всеволодович; Горячев, Евгений Геннадьевич
}
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14.

KUBAREV, Y. G.
SPIN-LATTICE RELAXATION PROCESSES DUE TO LOCAL INHOMOGENEITY OF PARAMAGNETIC CENTERS IN CRYSTALS WITH STRUCTURAL PHASE-TRANSITION / Y. G. KUBAREV // Ferroelectr. Lett. Sect. - 1988. - Vol. 9, Is. 2. - P. 43-46. - Cited References: 8 . - ISSN 0731-5171

РУБ Physics, Condensed Matter

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}
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15.

Berzhanskii, V. N.
Relaxation of uniform magnetization precession in collinear cubic ferrimagnets in the paramagnetic neighborhood of TC / V. N. Berzhanskii, V. I. Ivanov, A. V. Lazuta // JETP Letters. - 1990. - Vol. 52, Is. 9. - P. 483-487. - Cited References: 10 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
CDCR2SE4
Аннотация: The characteristic features of the critical spin dynamics of the cubic ferrimagnets Y3Fe5O12 and MnFe2O4 in the exchange temperature region above T(c) have been studied. The magnetic-dipole relaxation of the uniform magnetization of these ferrimagnets is shown to be suppressed. The relaxation channel due to the local uniaxial anisotropy, with a new temperature dependence, is the dominant channel.

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Держатели документа:
LV KIRENSKY PHYS INST,KRASNOYARSK,USSR
ИФ СО РАН

Доп.точки доступа:
Ivanov, V. I.; Lazuta, A. V.; Бержанский, Владимир Наумович
}
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16.

A comparative study of transport properties of composites HTSC+MgTiO3 and HTSC + NiTiO3. The effect of paramagnetic NiTiO3 / M. I. Petrov, D. A. Balaev, K. A. Shaikhutdinov, K. S. Aleksandrov // Physica C-Superconductivity and its Applications. - 2000. - Vol. 341-348, Pt. 3. - P. 1863-1864, DOI 10.1016/S0921-4534(00)01217-X . - ISSN 0921-4534
Кл.слова (ненормированные):
Composite materials -- Copper oxides -- Josephson junction devices -- Magnesium compounds -- Nickel compounds -- Paramagnetism -- Superconductivity -- Thermal effects -- Transport properties -- Yttrium compounds -- Abrikosov vortices flow -- Superconductor insulator superconductor junction -- Thermally activated phase slippage -- High temperature superconductors
Аннотация: Bulk composites Y3/4Lu1/4Ba2Cu3O7+NiTiO3 and Y3/4Lu1/4Ba2Cu3O7+MgTiO3 with insulator volume content 7.5% and 15% modelling a network of Superconductor-Insulator-Superconductor (S-I-S) junctions have been prepared. The ?(T) dependences of composites HTSC+MgTiO3 are described well by the mechanism of Thermally Activated Phase Slippage (TAPS). The anomalous behavior of resistivity ?(T) of HTSC+NiTiO3 composites manifesting as a kink on ?(T) curves at some temperature Tm have been observed. In the temperature range Tm < T < TC the dissipation is Ohmic while below Tm the CVCs are strongly non-linear. This peculiarity is interpreted as arisen owing to Abrikosov vortices flow.

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Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Aleksandrov, K. S.; Александров, Кирилл Сергеевич; International conference on materials and mechanisms of superconductivity high temperature superconductors(6 ; 2000 ; Feb. ; 20-25 ; Houston, Texas, USA)
}
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17.

Observation of mixed two-phase state in Eu0.7Pb0.3MnO3 single crystal by magnetic resonance method / N. V. Volkov [et al.] // Physica B. - 2002. - Vol. 324, Is. 1-4. - P. 254-260, DOI 10.1016/S0921-4526(02)01397-2. - Cited References: 19 . - ISSN 0921-4526

РУБ Physics, Condensed Matter
Рубрики:
OPTIMALLY DOPED MANGANITES
   COLOSSAL MAGNETORESISTANCE
   PARAMAGNETIC ANOMALIES
   CURIE-TEMPERATURE
   LA1-XCAXMNO3
   RELAXATION
   SEPARATION
Кл.слова (ненормированные):
manganites -- CMR -- magnetic resonance -- phase separation -- CMR -- Magnetic resonance -- Manganites -- Phase separation -- Europium compounds -- Ferromagnetic materials -- Paramagnetic resonance -- Phase separation -- Phase transitions -- Manganites -- Single crystals
Аннотация: The magnetic resonance measurements show that the mixed two-phase state takes place in the Eu0.7Pb0.3MnO3 single crystal. The coexistence of the magnetic phases is observed in vicinity of the magnetic phase transition, where the sample exhibits the effect of the CMR. The frequency-field dependencies of the spectra allow to conclude that these phases are paramagnetic and ferromagnetic ones. Moreover, the study of the frequency dependencies shows the sensitivity of the mixed-phase state to the external magnetic field. This suggests that the scenario of the phase separation is realized in this case and the mixed two-phase state is not related to simple chemical inhomogeneity. (C) 2002 Elsevier Science B.V. All rights reserved.

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Держатели документа:
RAS, SB, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics SB RAS, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Vasiliev, V. N.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Sablina, K. A.; Саблина, Клара Александровна; Patrin, K. G.; Патрин, Константин Геннадьевич
}
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18.

Anomalous transport properties of a paramagnetic NiTiO3+HTSC two-phase system representing a random Josephson junction network / M. I. Petrov [et al.] // JETP Letters. - 2002. - Vol. 75, Is. 3. - P. 138-141, DOI 10.1134/1.1469500. - Cited References: 23 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
RESISTIVE PROPERTIES
   CRITICAL CURRENTS
   SNS JUNCTIONS
   COMPOSITES
Аннотация: Composites representing a network of random Josephson junctions and characterized by the compositions 92.5 at. % Y3/4Lu1/4Ba2Cu3O7 + 7.5 at. % NiTiO3 and 92.5 at. % Y3/4Lu1/4Ba2Cu3O7 + 7.5 at.% MgTiO3 are synthesized, and their magnetoresistance properties are studied. The temperature dependence of the resistance R(T) measured for the composite that contains the paramagnetic NiTiO3 compound exhibits a characteristic feature below the superconducting transition temperature T-c of the high-T-c superconductor, namely, a region where R is independent of the current j and weakly depends on the magnetic field H. Below a certain temperature T-m, a strong dependence of R on j and H is observed, which is peculiar to a network of Josephson junctions. The dependences R(T, j, H) obtained for the "reference" samples with the nonmagnetic MgTiO3 compound exhibit no such features. The anomalous behavior of the HTSC + NiTiO3 composite is explained by the effect produced by the magnetic moments of Ni atoms in the insulating barriers on the transport current. (C) 2002 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirenskii Inst. of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Petrov, M. I.; Петров, Михаил Иванович; Balaev, D. A.; Балаев, Дмитрий Александрович; Shaikhutdinov, K. A.; Шайхутдинов, Кирилл Александрович; Popkov, S. I.; Попков, Сергей Иванович
}
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19.

Two-phase paramagnetic-ferromagnetic state of La0.7Pb0.3MnO3 single-crystal lanthanum manganite / N. V. Volkov [et al.] // Phys. Solid State. - 2002. - Vol. 44, Is. 7. - P. 1350-1354, DOI 10.1134/1.1494635. - Cited References: 17 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
COLOSSAL MAGNETORESISTANCE
   MAGNETIC-RESONANCE
   DOPED MANGANITES
   LA1-XCAXMNO3
   SEPARATION
   TRANSITION
   RELAXATION
   EPR
Аннотация: Two phases, paramagnetic and ferromagnetic, were shown by the magnetic resonance method to coexist below the temperature T-C in La0.7Pb0.3MnO3 single crystals exhibiting colossal magnetoresistance. The magnetic resonance spectra were studied in the frequency range 10-78 GHz. The specific features in the behavior of the spectral parameters were observed to be the strongest at the temperatures corresponding to the maximum magnetoresistance in the crystals. The concentration ratios of the paramagnetic and ferromagnetic phases in the samples were found to be sensitive to variations in temperature and external magnetic field. This behavior suggests realization of the electronic phase separation mechanism in the system under study. (C) 2002 MAIK "Nauka/Interperiodica".

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Volkov, N. V.; Волков, Никита Валентинович; Petrakovskii, G. A.; Петраковский, Герман Антонович; Vasil'ev, V. N.; Sablina, K. A.; Саблина, Клара Александровна
}
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20.

Magnetic and optical properties and electron paramagnetic resonance of gadolinium-containing oxide glasses / J. . Kliava [et al.] // J. Phys.: Condens. Matter. - 2003. - Vol. 15, Is. 40. - P. 6671-6681, DOI 10.1088/0953-8984/15/40/005. - Cited References: 30 . - ISSN 0953-8984

РУБ Physics, Condensed Matter
Рубрики:
ABSORPTION-SPECTRA
   FARADAY-ROTATION
   SPIN-RESONANCE
   IONS
   GD3+
   SPECTROSCOPY
   BEHAVIOR
   GD-3
Кл.слова (ненормированные):
Doping (additives) -- Electronic structure -- Glass -- Lanthanum compounds -- Light absorption -- Magnetic susceptibility -- Oxides -- Paramagnetic resonance -- Positive ions -- Rate constants -- Substitution reactions -- Absorption band -- Gadolinium containing oxide glasses -- Positive Weiss constants -- Gadolinium compounds
Аннотация: Magnetic susceptibility, electron paramagnetic resonance (EPR) and optical absorption have been studied in a glass system 20La(2)O(3)-22Al(2)O(3)-23B(2)O(3)-35(SiO2 + GeO2) with a part of La2O3 substituted by Gd2O3 in different concentrations. Positive Weiss constants have been found in more heavily doped glasses and ascribed to clustering of Gd3+ ions. Computer simulations of the EPR spectra show that the short-range ordering in the environment of the Gd3+ ions is well preserved. The relative distribution widths of the ligand coordinates are less than 2%. In the more heavily doped glasses the EPR spectra are superpositions of signals arising from isolated ions and ferromagnetic clusters. The increase of Gd3+ concentration is shown to change substantially the strong optical absorption edge while only small changes of f-f absorption band characteristics are observed. This difference is associated with the different effect of the Gd ion clustering on the mechanisms of the strong absorption in the ultraviolet region and the f-f absorption.

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Держатели документа:
Univ Bordeaux 1, CPMOH, F-33405 Talence, France
SI Vavilov State Opt Inst, St Petersburg 199034, Russia
Bar Ilan Univ, Dept Chem, IL-52900 Ramat Gan, Israel
Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
RAS, SB, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
CPMOH, Universite Bordeaux-I, 33405 Talence Cedex, France
L V Kirensky Inst. of Physics, SB RAS, Krasnoyarsk 660036, Russian Federation
Bar-Ilan University, Department of Physics, Ramat-Gan 52900, Israel
Bar-Ilan University, Department of Chemistry, Ramat-Gan 52900, Israel
S V Vavilov State Optical Institute, St Petersburg 199034, Russian Federation

Доп.точки доступа:
Kliava, J.; Edelman, I. S.; Эдельман, Ирина Самсоновна; Potseluyko, A. M.; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Berger, R.; Bruckental, I.; Yeshurun, Y.; Malakhovskii, A. V.; Малаховский, Александр Валентинович; Zarubina, Y. V.
}
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