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LUKINYKH, V. F.
IMPULSE LASER SYSTEM ON GLASS WITH NEODYMIUM FOR THE STUDY OF NONLINEAR OPTICAL PHENOMENA IN GASES / V. F. LUKINYKH, S. A. MYSLIVETS, V. V. SLABKO // Zhurnal Tek. Fiz. - 1984. - Vol. 54, Is. 5. - P. 879-882. - Cited References: 7 . - ISSN 0044-4642

РУБ Physics, Applied

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Доп.точки доступа:
MYSLIVETS, S. A.; SLABKO, V. V.
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VOROTINOV, A. M.
SPIN-GLASS STATE IN AMORPHOUS BI2CUO4 / A. M. VOROTINOV, K. A. SABLINA // Solid State Commun. - 1993. - Vol. 87, Is. 3. - P. 209-211, DOI 10.1016/0038-1098(93)90477-5. - Cited References: 6 . - ISSN 0038-1098

РУБ Physics, Condensed Matter
Рубрики:
RESONANCE
Аннотация: The magnetic susceptibility and magnetic resonance measurements of an amorphous compound Bi2CuO4 have been carried out. It was pointed out, that a part of Cu2+ ions stays in the paramagnetic state down to T=4,2 K. The magnitude of the effective exchange integral in amorphous Bi2CuO4 has been estimated. The magnetic resonance measurements revealed the existance of the magnetic phase transition to spin-glass state at T=100 K.

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

Доп.точки доступа:
SABLINA, K. A.; Саблина, Клара Александровна
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The comparative-analysis of some low-frequency vibrational-state density models of the amorphous materials - applied to the as2s3 glass / A. Feher [et al.] // Physica B. - 1994. - Vol. 194. - P. 395-396, DOI 10.1016/0921-4526(94)90527-4. - Cited References: 6 . - ISSN 0921-4526

РУБ Physics, Condensed Matter
Рубрики:
SPECTRUM
Аннотация: The specific heat from 3K to 15K and the Raman spectra were measured on the As2S3 glass. The specific heat data were fitted using two different models of the vibrational state density, i.e. the phonon-fraction model and the model of lognormal distribution of frequencies. We have shown that the excess vibrational state density which governs the specific heat behaviour gives only a little contribution to the intensity of Raman scattering in the boson peak region.

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Держатели документа:
UNIV UZHGOROD,DEPT PHYS SEMICOND,UZHGOROD 294000,UKRAINE
LV KIRENSKII INST PHYS,KRASNOYARSK 660036,RUSSIA
ИФ СО РАН

Доп.точки доступа:
Feher, A.; Yyurkin, I. M.; Deich, L. I.; Orendac, M.; Turyanitsa, I. D.; International Conference on Low Temperature Physics(20 ; 1993 ; Aug. 04-11 ; Eugene, OR)
}
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Piezoelectric properties of glassceramic based on lithium tetraborate / A. M. Sysoev [et al.] // Ferroelectrics. - 1996. - Vol. 186, Is. 1. - P. 277-280, DOI 10.1080/00150199608218083. - Cited References: 4 . - ISSN 0015-0193

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter

Кл.слова (ненормированные):
Ceramic materials -- Crystal growth -- Dielectric properties -- Electroacoustic transducers -- Glass -- Hydrophones -- Lithium compounds -- Single crystals -- Acoustoelectric transducer -- Glass ceramic -- Lithium tetraborate -- Microcomposite materials -- Piezoelectric materials
Аннотация: The preparation and study of a glassceramic based on lithium tetraborate was carried out. It was shown that due to favourable piezoelectric properties this material has good prospects for use as acoustoelectric transducer in devices such as hydrophones.

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Доп.точки доступа:
Sysoev, A. M.; Сысоев, Анатолий Михайлович; Parshikov, S. A.; Zaitsev, A. I.; Зайцев, Александр Иванович; Zamkov, A. V.; Замков, Анатолий Васильевич; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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Val'kov, V. V.
Magnetopolaron states of a spin-correlated antiferromagnet in the neighborhood of the spin-glass transition / V. V. Val'kov, D. M. Dzebisashvili // Phys. Solid State. - 1998. - Vol. 40, Is. 2. - P. 282-286, DOI 10.1134/1.1130293. - Cited References: 20 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
OSCILLATIONS
CEAS
Аннотация: The problem of the spectrum of magnetopolaron states of a strongly correlated conducting canted antiferromagnet is solved. The approach used to study the spectrum is based on an atomic representation and a diagram technique for Hubbard operators. This approach makes it possible to include strong intra-ion interactions in a first-principles way, and to obtain the dispersion equation for the magnetopolaron spectrum for arbitrary values of the magnitude of the spin, temperature, and magnetic field. In the vicinity of the spin-flip transition an analytic expression is obtained for the spectrum of magnetopolaron states that goes beyond the framework of the quasiclassical approximation. (C) 1998 American Institute of Physics.

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Держатели документа:
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660000, Russia
Krasnoyarsk State Tech Univ, Krasnoyarsk 660036, Russia
ИФ СО РАН

Доп.точки доступа:
Dzebisashvili, D. M.; Дзебисашвили, Дмитрий Михайлович; Вальков, Валерий Владимирович
}
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Magnetooptic activity of f-d and f-f electron transitions in Pr3+ in the glass matrix LiB3O5 / A. M. Potseluyko [et al.] // Physica B. - 2000. - Vol. 291, Is. 1-2. - P. 89-96, DOI 10.1016/S0921-4526(99)01869-4. - Cited References: 17 . - ISSN 0921-4526

РУБ Physics, Condensed Matter
Рубрики:
FARADAY-ROTATION
OXIDE GLASSES
Кл.слова (ненормированные):
Faraday rotation -- magnetooptic activity -- praseodymium -- Electron transitions -- Faraday effect -- Light absorption -- Lithium compounds -- Praseodymium compounds -- Faraday rotation -- Transition wavelength -- Optical glass
Аннотация: The results of absorption, Faraday rotation and magnetic circular dichroism measurements for glasses with the composition of LiB3O5 + Pr2O3 are presented. The effective wavelength of the transition giving the main contribution to Faraday rotation in these glasses is determined. The contributions of several f-f transitions to Faraday rotation are separated and their magnetooptical activities are evaluated in comparison with the activity of the f-d transition. (C) 2000 Elsevier Science B.V. All rights reserved.

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

Доп.точки доступа:
Potseluyko, A. M.; Edelman, I. S.; Эдельман, Ирина Самсоновна; Zabluda, V. N.; Заблуда, Владимир Николаевич; Bolsunovskaya, O. A.; Zamkov, A. V.; Замков, Анатолий Васильевич; Parshikov, S. A.; Zaytsev, A. I.
}
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Superparamagnetic and ferrimagnetic nanoparticles in glass matrix / I. S. Edelman [et al.] // Physica B. - 2001. - Vol. 301, Is. 3-4. - P. 203-211, DOI 10.1016/S0921-4526(01)00274-5. - Cited References: 9 . - ISSN 0921-4526

РУБ Physics, Condensed Matter
Рубрики:
MAGNETIC-PROPERTIES
PARTICLES
FILMS
Кл.слова (ненормированные):
magnetic nanoparticles -- Faraday rotation -- Faraday rotation -- Magnetic nanoparticles -- Crystal structure -- Faraday effect -- Ferrimagnetic materials -- Glass -- Particle size analysis -- Superparamagnetism -- X ray diffraction analysis -- Amorphous glass matrices -- Faraday rotations -- Nanostructured materials
Аннотация: Faraday rotation (FR) spectral, field, and temperature dependencies in oxide glasses with small additions of paramagnetic elements are investigated. Formation of ferrite nanoparticles in amorphous glass matrices is revealed by X-ray diffraction. Particles have crystal structure similar to spinel structure, their dimensions are about 10-24 nm. The FR field dependencies are typical for ferrimagnetic or superparamagnetic substances depending on particle size. Strong FR increase at the samples cooling (more than twice for some samples) in the temperature interval 105-273 K is observed. (C) 2001 Elsevier Science B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
SI Vavilov State Opt Inst, St Petersburg 193117, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics, Russian Academy of Sciences-SB, Krasnoyarsk 660036, Russian Federation
S.I. Vavilov Optical State Institute, St. Peterburg 193117, Russian Federation

Доп.точки доступа:
Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivantsov, R.; Vasiliev, A.; Stepanov, S.; Kornilova, E.; Zarubina, T.
}
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Spin-glass state in CuGa2O4 / G. A. Petrakovskii [et al.] // Phys. Rev. B. - 2001. - Vol. 63, Is. 18. - Ст. 184425, DOI 10.1103/PhysRevB.63.184425. - Cited References: 28 . - ISSN 0163-1829

РУБ Physics, Condensed Matter
Рубрики:
TRANSITION
Кл.слова (ненормированные):
copper -- gallium -- glass -- oxygen -- acceleration -- article -- magnetism -- measurement -- molecular dynamics -- phase transition
Аннотация: Magnetic susceptibility, magnetization, specific-heat, and positive muon spin relaxation (?SR) measurements have been used to characterize the magnetic ground state of the spinel compound CuGa2O4. We observe a spin-glass transition of the S = 1/2 Cu2+ spins below Tf = 2.5 K characterized by a cusp in the susceptibility curve which is suppressed when a magnetic field is applied. We show that the magnetization of CuGa2O4 depends on the magnetic history of the sample. Well below Tf, the muon signal resembles the dynamical Kubo-Toyabe expression reflecting that the spin freezing process in CuGa2O4 results in a Gaussian distribution of the magnetic moments. By means of Monte Carlo simulations, we obtain the relevant exchange integrals between the Cu2+ spins in this compound.

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Держатели документа:
Institute of Physics, Academy of Sciences, Siberian Branch, 660036 Krasnoyarsk, Russian Federation
Laboratory for Neutron Scattering, Paul Scherrer Institute, ETH Zurich, CH-5232 Villigen PSI, Switzerland
Laboratory for Muon-Spin Spectroscopy, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
Instituto de Ciencia de Materiales de Aragon, CSIC-Universidad de Zaragoza, Ciudad Universitaria, 50009 Zaragoza, Spain
Kamerlingh Onnes Laboratorium, Leiden University, Netherlands

Доп.точки доступа:
Petrakovskii, G. A.; Петраковский, Герман Антонович; Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Aplesnin, S. S.; Аплеснин, Сергей Степанович; Roessli, B.; Semadeni, F.; Amato, A.; Baines, C.; Bartolome, J.; Evangelisti, M.
}
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Spin-glass-like behavior of low field magnetisation in multilayer (Gd/Si/Co/Si)(n) films / G. S. Patrin [et al.] // Phys. Lett. A. - 2003. - Vol. 309, Is. 1-2. - P. 155-159, DOI 10.1016/S0375-9601(03)00169-5. - Cited References: 13 . - ISSN 0375-9601

РУБ Physics, Multidisciplinary
Рубрики:
BIQUADRATIC EXCHANGE
Кл.слова (ненормированные):
cobalt -- gadolinium -- glass -- silicon -- silicon derivative -- acceleration -- article -- film -- magnetic field -- magnetism -- molecular dynamics -- molecular interaction
Аннотация: The results of experimental investigations of magnetic properties of multilayer (Gd/Si/Co/Si)(n) films in low magnetic fields are represented. The spin-glass-like behavior of magnetization is found. The role of biquadratic exchange coupling in a forming of magnetic state of system is discussed. (C) 2003 Elsevier Science B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
Ural State Univ, Ekaterinburg 620083, Russia
ИФ СО РАН
L. V. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation
Krasnoyarsk State University, prospect Svobodnyi, 79, Krasnoyarsk 660041, Russian Federation
Ural State University, prospect Lenina, 51, Ekaterinburg 620083, Russian Federation

Доп.точки доступа:
Patrin, G. S.; Патрин, Геннадий Семёнович; Vas'kovskii, V. O.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Svalov, A. V.; Panova, M. A.
}
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10.

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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