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Каталог книг и брошюр библиотеки ИФ СО РАН (8)
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1.
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
WOS
Доп.точки доступа:
MYSLIVETS, S. A.; SLABKO, V. V.
}
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2.
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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3.
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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4.
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.
Scopus
,
Смотреть статью
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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5.
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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6.
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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7.
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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8.
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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9.
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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11.
Real composition and
structure of manganese ferrite nanoparticles dispersed in the K-Al-B-O glasses / I. G. Vasil'eva [и др.]> // Dokl. Akad. Nauk. - 2005. -
Vol. 401
,
Is. 3
. - P. 349-352 . - ISSN 0869-5652
Кл.слова (ненормированные):
Aluminum
--
Boron compounds
--
Ferrite
--
Manganese
--
Nanostructured materials
--
Particles (particulate matter)
--
Structure (composition)
--
Borate glasses
--
Exchange interaction
--
Glass
Аннотация:
For the first time the problem of determining real composition and structure of manganese ferrite nanoparticles dispersed borate glasses is solved using differentiating dissolution and high-resolution X-ray electron microscopy techniques. For the first time the nanosize effect of aluminum incorporation in manganese ferrite composition is experimentally shown, thus directly confirming the hypothesis of Al participation in exchange interaction between paramagnetic Fe and Mn ions as diamagnetic diluter.
Scopus
Другая переводная версия
Публикация на русском языке
Реальный состав и структура наночастиц феррита марганца, диспергированных в матрице боратных стекол [Текст] / И. Г. Васильева [и др.] // Доклады Академии наук. - 2005. - Т. 401 № 3. - С. 349-352
Держатели документа:
Inst. Neorganicheskoj Khimii SO RAN, Novosibirsk, Russian Federation
Доп.точки доступа:
Vasil'eva, I. G.; Dovlitova, L. S.; Zajkovskij, V. I.; Malakhov, V. V.; Edel'man, I. S.; Эдельман, Ирина Самсоновна; Stepanov, A. S.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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12.
Unusual magnetic transitions
and nature of magnetic resonance spectra in oxide glasses containing gadolinium / J. . Kliava [et al.]> // Phys. Rev. B. - 2005. -
Vol. 71
,
Is. 10
. - Ст. 104406,
DOI
10.1103/PhysRevB.71.104406. - Cited References: 40 . - ISSN 1098-0121
РУБ
Physics, Condensed Matter
Рубрики:
ELECTRON-PARAMAGNETIC-RESONANCE
BORATE GLASSES
IONS
BEHAVIOR
GD3+
SPECTROSCOPY
SYSTEMS
GD-3+
FIELD
SHAPE
Кл.слова (ненормированные):
gadolinium
--
glass
--
lanthanide
--
oxide
--
anisotropy
--
article
--
chemical structure
--
concentration response
--
electron spin resonance
--
energy
--
magnetism
--
molecular physics
--
nanoparticle
--
phase transition
--
refraction index
--
temperature sensitivity
Аннотация:
Magnetic susceptibility, electron paramagnetic resonance (EPR), and optical properties 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 the more heavily doped glasses and ascribed to clustering of Gd3+ ions. Two magnetic phase transitions at 55 and 12 K were detected and ascribed, respectively, to ferromagnetic and antiferromagnetic clusters containing Gd ions. The overall shape of the EPR spectra shows the presence of clustering at the higher Gd contents. At low temperatures the cluster-related resonance signal is altered in shape, indicating an onset of magnetic anisotropy field. This signal is convincingly fitted to superparamagnetic resonance arising from ferromagnetic nanoparticles. The clustering, depending on the Gd concentration, correlates with a significant shift to lower energies of the strong optical absorption band edge, ascribed to a charge transfer transition between Gd ions. A nonmonotonous change of refractive index with the increase of the Gd content indicates changes in the
glass
matrix and in Gd cluster structure.
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Держатели документа:
Univ Bordeaux 1, CNRS, UMR 5798, CPMOH, F-33405 Talence, France
Bar Ilan Univ, Dept Chem, IL-52900 Ramat Gan, Israel
RAS, SB, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
SI Vavilov State Opt Inst, St Petersburg 199034, Russia
Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
ИФ СО РАН
CPMOH, UMR 5798, CNRS-Universite Bordeaux-I, 33405 Talence Cedex, France
Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
L. V. Kirensky Institute of Physics SB RAS, Krasnoyarsk 660036, Russian Federation
S. V. Vavilov State Optical Institute, St. Petersburg 199034, Russian Federation
Department of Physics, Bar-Ilan University, Ramat-Gan 52900, Israel
Доп.точки доступа:
Kliava, J.; Malakhovskii, A. V.; Малаховский, Александр Валентинович; Edelman, I. S.; Эдельман, Ирина Самсоновна; Potseluyko, A. M.; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Melnikova, S.V.; Мельникова, Светлана Владимировна; Zarubina, T. V.; Petrovskii, G.; Bruckental, Y.; Yeshurun, Y.
}
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13.
Actual composition and
structure of manganese ferrite nanoparticles dispersed in the borate
glass
matrix / I. G. Vasilyeva [et al.]> // Doklady Chemistry. - 2005. -
Vol. 401
,
Is. 1-3
. - P. 47-50,
DOI
10.1007/s10631-005-0029-y . - ISSN 0012-5008
Кл.слова (ненормированные):
boric acid
--
ferrite
--
glass
--
manganese derivative
--
analytic method
--
article
--
chemical composition
--
chemical structure
--
nanoparticle
--
stoichiometry
--
structure analysis
--
transmission electron microscopy
--
X ray analysis
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Публикация на русском языке
Реальный состав и структура наночастиц феррита марганца, диспергированных в матрице боратных стекол [Текст] / И. Г. Васильева [и др.] // Доклады Академии наук. - 2005. - Т. 401 № 3. - С. 349-352
Держатели документа:
Nikolaev Inst. of Inorg. Chemistry, Siberian Division, Russian Academy of Sciences, pr. akademika Lavrent'eva 3, Novosibirsk, 630090, Russian Federation
Boreskov Institute of Catalysis, Siberian Division, Russian Academy of Sciences, pr. akademika Lavrent'eva 5, Novosibirsk, 630090, Russian Federation
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
All-Russia Research Center, Vavilov State Optical Institute, ul. Babushkina 36/1, St. Petersburg, 192371, Russian Federation
Доп.точки доступа:
Vasilyeva, I. G.; Dovlitova, L. S.; Zaikovskii, V. I.; Malakhov, V. V.; Edel'man, I. S.; Эдельман, Ирина Самсоновна; Stepanov, A. S.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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14.
Pulsed laser deposition
of europium borate
glass
films and their optical and magneto-optical properties / A. S. Aleksandrovsky [et al.]> //
Laser-Assisted Micro- and Nanotechnologies. Proceedings of SPIE : [11-15 May 2005]. - 2006. - P. 61610A
РИНЦ
Держатели документа:
L. V. Kirensky Institute of Physics, Akademgorodok, Krasnoyarsk 660036
Доп.точки доступа:
Konov, V. I. \ed.\; Panchenko, V. Y. \ed.\; Sugioka, K. \ed.\; Veiko, V. P. \ed.\; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Potseluyko, A. M.; Potseluyko; Seredkin, V. A.; Середкин, Виталий Александрович; Zaitsev, A. I.; Зайцев, Александр Иванович; Zamkov, A. V.; Замков, Анатолий Васильевич; International Conference on Lasers, Applications, and Technologies(2005 ; May ; St. Peterburg, Russia)
}
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15.
Spin
glass
state
in crystals of barium ferrigermanate Ba2Fe2GeO7 / G. A. Petrakovskii [et al.]> // Phys. Solid State. - 2006. -
Vol. 48
,
Is. 10
. - P. 1906-1908,
DOI
10.1134/S1063783406100155. - Cited References: 5 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Аннотация:
The temperature dependence of the magnetization and elastic neutron scattering spectra of Ba2Fe2GeO7 barium ferrigermanate polycrystals are studied. The magnetization is found to depend on the magnetic prehistory of a Ba2Fe2GeO7 sample below T = 8 K. Analysis of the neutron scattering spectra does not reveal long-range magnetic order down to 2 K. Our experimental data indicate the existence of a spin
glass
state in Ba2Fe2GeO7 polycrystals.
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Держатели документа:
Russian Acad Sci, Siberian Div, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
Laue Langevin Inst, F-38042 Grenoble, France
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Institute of Physics, Polish Academy of Sciences, Warsaw, 02-668, Poland
Laue-Langevin Institute, Grenoble, 38042, France
Доп.точки доступа:
Petrakovskii, G. A.; Петраковский, Герман Антонович; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Gudim, I. A.; Гудим, Ирина Анатольевна; Bayukov, O. A.; Баюков, Олег Артемьевич; Vorotynov, A. M.; Воротынов, Александр Михайлович; Bovina, A. F.; Бовина, Ася Федоровна; Szymczak, R.; Baran, M.; Ritter, C.
}
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16.
Unusual magnetic phase
transitions in Gd3+ clusters in multicomponent oxide glasses / J. . Kliava [et al.]> // J. Supercond. Nov. Magn. - 2007. -
Vol. 20
,
Is. 2
. - P. 149-153,
DOI
10.1007/s10948-006-0116-4. - Cited References: 7 . - ISSN 1557-1939
РУБ
Physics, Applied + Physics, Condensed Matter
Рубрики:
GADOLINIUM
RESONANCE
Кл.слова (ненормированные):
oxide glasses
--
gadolinium
--
magnetic clusters
--
superparamagnetism
--
Gadolinium
--
Magnetic clusters
--
Oxide glasses
--
Superparamagnetism
--
Magnetic clusters
--
Magnetic phase transitions
--
Oxide glasses
--
Weiss constant
--
Antiferromagnetic materials
--
Ferromagnetic materials
--
Gadolinium
--
Magnetic anisotropy
--
Magnetic susceptibility
--
Paramagnetic resonance
--
Phase transitions
--
Positive ions
--
Superparamagnetism
--
Glass
Аннотация:
Magnetic susceptibility, EPR and optical properties 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; two magnetic transitions at 55 and 12 K have been detected and ascribed, respectively, to ferromagnetic and antiferromagnetic clusters of Gd3+ ions. The EPR spectra confirm the clustering at higher Gd contents. At low temperatures the cluster-related resonance indicates an onset of magnetic anisotropy. The clustering, depending on the Gd concentration, correlates with a shift to lower energies of the strong optical absorption band edge.
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Держатели документа:
Univ Bordeaux 1, Cours Liberat 351, CP MOH, UMR 5798, F-33405 Talence, France
RAS, SB, LV Kirensky Inst Phys, Krasnoyarsk 660036, Russia
Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
SV Vavilov State Opt Inst, St Petersburg 199034, Russia
ИФ СО РАН
CPMOH, UMR 5798 CNRS-Universite Bordeaux-I, 33405 Talence Cedex, France
L.V. Kirensky Institute of Physics, SB, RAS, Krasnoyarsk 660036, Russian Federation
Bar-Ilan University, Department of Physics, Ramat-Gan 52900, Israel
S.V. Vavilov State Optical Institute, St.-Petersburg 199034, Russian Federation
CPMOH, Universite Bordeaux-I, 351 Cours de la Liberation, 33405 Talence Cedex, France
Доп.точки доступа:
Kliava, J.; Malakhovskii, A. V.; Малаховский, Александр Валентинович; Edelman, I. S.; Эдельман, Ирина Самсоновна; Potseluyko, A. M.; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Bruckental, I.; Yeshurun, Y.; Zarubina, T.
}
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17.
Magneto-optical properties of
Dy3+ in oxide glasses: The origin of the magneto-optical activity of f-f transitions and its anomalous temperature dependence / A. V. Malakhovskii [et al.]> // Phys. Solid State. - 2007. -
Vol. 49
,
Is. 4
. - P. 701-707,
DOI
10.1134/S1063783407040178. - Cited References: 28 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
MAGNETIC CIRCULAR-DICHROISM
FLUOROZIRCONATE ZBLAN
GLASS
OPTICAL-ABSORPTION SPECTRA
DOPED SODA
GLASS
SPECTROSCOPIC PROPERTIES
FLUOROBORATE GLASSES
LITHIUM BORATE
IONS
PR3+
GADOLINIUM
Аннотация:
The temperature dependence of the absorption spectra and magnetic circular dichroism due to f-f transitions from the H-6(15/2) to F-6 (5/2) and (6)(F (7/2) + H (5/2)) states in the Dy3+ ion in (Dy2O3-P2O5-SiO2-GeO2) and (Dy2O3-La2O3-Al2O3-B2O3-SiO2-GeO2) glasses and the temperature dependence of the Faraday effect were studied. The temperature dependence of the Faraday effect caused by f-d transitions was found to differ from that of the magnetic circular dichroism due to f-f transitions. It was shown that f-f transitions occur preferentially in Dy3+ ions associated into clusters. The origin of the paramagnetic magneto-optical activity of f-f transitions was analyzed. It was shown that the contributions to this activity can differ in value and sign and that the ratio between these contributions depends on the transition type. In some cases, this difference results in an anomalous temperature dependence of the magneto-optical activity.
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Публикация на русском языке
Магнитооптические свойства Dy3+ в оксидных стеклах. Природа магнитооптической активности f-f-переходов и ее аномальной температурной зависимости [Текст] / А. В. Малаховский [et al.] // Физика твердого тела. - Санкт-Петербург : Федеральное государственное унитарное предприятие "Академический научно-издательский, производственно-полиграфический и книгораспространительский центр Российской академии наук "Издательство "Наука", 2007. - Т. 49 № 4. - С. 667-673
Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
SI Vavilov State Opt Inst, St Petersburg 192371, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State University, Krasnoyarsk, 660041, Russian Federation
Vavilov State Optical Institute, Birzhevaya liniya 12, St. Petersburg, 192371, Russian Federation
Доп.точки доступа:
Malakhovskii, A. V.; Малаховский, Александр Валентинович; Isachenko, V. A.; Sukhachev, A. L.; Сухачев, Александр Леонидович; Potseluyko, A. M.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Zarubina, T. V.; Edelman, I. S.; Эдельман, Ирина Самсоновна
}
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18.
H-2 NMR investigation
of the transition to the proton
glass
state in the CS5H3(SO4)(4)center dot 0.5H(2)O crystal / Y. N. Ivanov [et al.]> // Phys. Solid State. - 2007. -
Vol. 49
,
Is. 6
. - P. 1142-1148,
DOI
10.1134/S1063783407060200. - Cited References: 19 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
DIELECTRIC-RELAXATION
MAGNETIC-RESONANCE
PHASES
Аннотация:
A crystal of the CS5H3(SO4)(4) (.) xH(2)O (x approximate to 0.5) (PCHS) compound, which belongs to the family of proton conductors with a complex system of hydrogen bonds, is investigated by H-2 NMR spectroscopy. The temperature and orientation dependences of the H-2 NMR spectra are measured and analyzed. It is established that, upon transition to the glassy phase at the temperature T-g = 260 K, the parameters characterizing the proton exchange between positions in hydrogen bonds remain unchanged to within the limits of experimental error. The protons in the two-dimensional network of hydrogen bonds in the (001) plane are dynamically disordered over possible positions down to temperatures considerably lower than the
glass
transition point T-g. However, water molecules are fixed at particular structural positions in the phase transition range. In PCHS crystals with a nonstoichiometric water content, this circumstance can be responsible for the frustration that leads to the formation of the glassy state.
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Держатели документа:
LV Kirenskii Inst Phys, Russian Acad Sci, Siberian Div, Krasnoyarsk 660036, Russia
Russian Acad Sci, Shubnikov Inst Crystallog, Moscow 119333, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Shubnikov Institute of Crystallography, Russian Academy of Sciences, Leninskii pr. 59, Moscow 119333, Russian Federation
Доп.точки доступа:
Ivanov, Y. N.; Иванов, Юрий Николаевич; Aleksandrova, I. P.; Александрова, Инга Петровна; Sukhovsky, A. A.; Суховский, Андрей Андреевич; Baranov, A. I.
}
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19.
Formation and evolution
of magnetic nanoparticles in borate
glass
simultaneously doped with Fe and Mn oxides / J. . Kliava [et al.]> // J. Appl. Phys. - 2008. -
Vol. 104
,
Is. 10
. - Ст. 103917,
DOI
10.1063/1.3021289. - Cited References: 37. - A financial support from the Russian Foundation for Basic Research (RFBR)-CNRS (Grant No. 07-02-92174) is highly appreciated. R. Ivantsov is grateful to the Russian Science Support Foundation. Y. Yeshurun acknowledges the support of the Israel Scienc Foundation (ISF). . - ISSN 0021-8979
РУБ
Physics, Applied
Рубрики:
COBALT FERRITE PARTICLES
SUPERPARAMAGNETIC RESONANCE
GAMMA-FE2O3 NANOPARTICLES
MATRIX
SIZE
SYSTEMS
Кл.слова (ненормированные):
aluminium compounds
--
borate glasses
--
coercive force
--
Faraday effect
--
heat treatment
--
iron compounds
--
magnetic hysteresis
--
magnetic particles
--
magnetic susceptibility
--
manganese compounds
--
Mossbauer effect
--
nanoparticles
--
paramagnetic materials
--
potassium compounds
--
remanence
--
superparamagnetism
--
transmission electron microscopy
--
X-ray chemical analysis
--
Atomic spectroscopy
--
Auger electron spectroscopy
--
Crystal structure
--
Electric relays
--
Electronic medical equipment
--
Ferrite
--
Ferrites
--
Glass
--
Heat treatment
--
Hysteresis
--
Hysteresis loops
--
Magnetic properties
--
Magnetic resonance measurement
--
Magnetic susceptibility
--
Magnetism
--
Manganese
--
Manganese compounds
--
Molybdenum
--
Nanoparticles
--
Optical properties
--
Ozone water treatment
--
Polydispersity
--
Superparamagnetism
--
Borate glasses
--
Concentration ratios
--
Electron magnetic resonances
--
Emr spectrums
--
Experimental techniques
--
Faraday rotations
--
Glass
compositions
--
Glass
matrixes
--
Glass
preparations
--
Magnetic measurements
--
Magnetic nano particles
--
Magnetic orders
--
Magnetically ordered systems
--
Magneto-optical properties
--
Manganese ferrites
--
Mean diameters
--
Mn oxides
--
Phase states
--
Polydisperse nanoparticles
--
Remnant magnetizations
--
Ssbauer spectroscopies
--
Superparamagnetic
--
Superparamagnetic states
--
Thermal treatments
--
Variable temperatures
--
Magnetic materials
Аннотация:
Evolution of the phase state of paramagnetic additions at various stages of synthesis and subsequent thermal treatment of glasses of the system Al(2)O(3)-K(2)O-B(2)O(3) simultaneously doped with Fe(2)O(3) and MnO is studied by means of a combination of experimental techniques: Faraday rotation (FR), electron magnetic resonance (EMR), transmission electron microscopy (TEM), Mossbauer spectroscopy, and magnetic measurements. Both FR and EMR show that magnetically ordered clusters occur already at the first stage of the
glass
preparation. In particular, for the ratio of the Fe and Mn oxides in the charge close to 3:2, fine magnetic nanoparticles are formed with characteristics similar to those of manganese ferrite. By computer simulating the EMR spectra at variable temperatures, a superparamagnetic nature of these nanoparticles is confirmed and their mean diameter is estimated as approximately 3.2 nm. In the thermally treated glasses larger magnetic nanoparticles are formed, giving rise to FR spectra, characteristic of magnetically ordered systems, and the EMR spectra different from those in as-prepared glasses but also showing superparamagnetic narrowing. The Mossbauer spectroscopy corroborates the manganese ferrite structure of the nanoparticles and indicates their coexistence in the ferrimagnetic and superparamagnetic states. The TEM shows the presence of polydisperse nanoparticles on the background of the
glass
matrix, and electron diffraction of a selected region containing larger particles indicates a crystal structure close to that of MnFe(2)O(4). Energy-dispersive atomic x-ray spectra confirm that the major part of Fe and Mn introduced to the
glass
composition is gathered in the particles, with the concentration ratio close to 2:1, characteristic of bulk MnFe(2)O(4). Magnetic hysteresis loops of samples subjected to an additional thermal treatment demonstrate a strong increase in the coercive force, remnant magnetization, and high-field magnetic susceptibility with temperature decrease. The consistent results obtained using various techniques demonstrate that the formation of nanoparticles with characteristics close to those of MnFe(2)O(4) confers to these glasses magnetic and magneto-optical properties typical of substances possessing magnetic order.
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Держатели документа:
[Kliava, J.] Univ Bordeaux 1, CNRS, UMR 5798, CPMOH, F-33405 Talence, France
[Edelman, I.
Ivanova, O.
Ivantsov, R.
Bayukov, O.
Petrakovskaja, E.
Stepanov, S.] RAS, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
[Zaikovskiy, V.] RAS, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[Bruckental, I.
Yeshurun, Y.] Bar Ilan Univ, Dept Phys, IL-52900 Ramat Gan, Israel
[Stepanov, S.] SI Vavilov State Opt Inst, St Petersburg 199034, Russia
ИФ СО РАН
CPMOH, Universit? Bordeaux, 1-CNRS UMR 5798, 33405 Talence Cedex, France
Kirensky Institute of Physics, Siberian Branch of RAS, 660036 Krasnoyarsk, Russian Federation
Boreskov Institute of Catalysis, Siberian Branch, RAS, 630090 Novosibirsk, Russian Federation
Department of Physics, Bar-Ilan University, Ramat-Gan 52900, Israel
S. I. Vavilov State Optical Institute, St. Petersburg 199034, Russian Federation
Доп.точки доступа:
Kliava, J.; Edelman, I. S.; Эдельман, Ирина Самсоновна; Ivanova, O. S.; Иванова, Оксана Станиславовна; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Bayukov, O. A.; Баюков, Олег Артемьевич; Petrakovskaja, E. A.; Петраковская, Элеонора Анатольевна; Zaikovskiy, V.; Bruckental, I.; Yeshurun, Y.; Stepanov, S.
}
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20.
Edelman, I. S.
Tranparent
glass
-ceramics containing nanoparticles of transition and rare earth elements / I. S. Edelman> //
Workshop "Trends in Nanomechanics and Nanoengineering" : book of abstracts / предс. сем. K. S. Aleksandrov ; зам. предс. сем.: G. S. Patrin, S. G. Ovchinnikov ; чл. лок. ком.: N. N. Kosyrev, A. S. Fedorov [et al]. - 2009. - P. 25
Материалы семинара
Доп.точки доступа:
Aleksandrov, K. S. \предс. сем.\; Александров, Кирилл Сергеевич; Patrin, G. S. \зам. предс. сем.\; Патрин, Геннадий Семёнович; Ovchinnikov, S. G. \зам. предс. сем.\; Овчинников, Сергей Геннадьевич; Kosyrev, N. N. \чл. лок. ком.\; Косырев, Николай Николаевич; Fedorov, A. S. \чл. лок. ком.\; Федоров, Александр Семенович; Эдельман, Ирина Самсоновна; "Trends in Nanomechanics and Nanoengineering", workshop(2009 ; Aug. ; 24-28 ; Krasnoyarsk); Сибирский федеральный университет; Институт физики им. Л.В. Киренского Сибирского отделения РАН
}
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