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Shalaev, V. M.
Localization of collective dipole excitations on fractals / V. M. Shalaev, R. Botet, A. V. Butenko // Phys. Rev. B. - 1993. - Vol. 48, Is. 9. - P. 6662-6664, DOI 10.1103/PhysRevB.48.6662. - Cited References: 11 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
CLUSTERS
Аннотация: Dipole optical excitations on fractals are numerically simulated. It is shown that dipole eigen-modes of fractals are localized. The corresponding localization length dependence on the generalized frequency parameter (dispersion law) has been calculated. The value of optical spectral dimension found from the dispersion relations is in agreement with the result obtained earlier from calculations of the density of eigenstates.

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Держатели документа:
UNIV PARIS 11, PHYS SOLIDES LAB, F-91405 ORSAY, FRANCE
KRASNOYARSK STATE UNIV, KRASNOYARSK 660062, RUSSIA
LV KIRENSKII INST PHYS, KRASNOYARSK 660036, RUSSIA
UNIV TORONTO, DEPT CHEM, TORONTO M5S 1A1, ONTARIO, CANADA
ИФ СО РАН

Доп.точки доступа:
Botet, R.; Butenko, A. V.
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Churilov, G. N.
Fullerene C-60 formation in partially ionized carbon vapor / G. N. Churilov, A. S. Fedorov, P. V. Novikov // JETP Letters. - 2002. - Vol. 76, Is. 8. - P. 522-526, DOI 10.1134/1.1533779. - Cited References: 15 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
TOTAL-ENERGY CALCULATIONS
   WAVE BASIS-SET
   CLUSTERS
   GROWTH
Аннотация: The assembling rate of a fullerene C-60 molecule has been theoretically studied as a function of electron concentration and temperature in partially ionized carbon vapor. For C-60 formation via one or two intermediate stages of cluster collisions, it has been shown that there is a region of plasma parameters (the temperature and electron concentration) in which fullerene C-60 is formed more efficiently. The C-60 formation rate versus temperature and electron concentration relationships have been found to correlate with the trends in the collision cross-section of carbon clusters as functions of these parameters. (C) 2002 MAIK "Nauka/Interperiodica".

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

Доп.точки доступа:
Fedorov, A. S.; Федоров, Александр Семенович; Novikov, P. V.; Чурилов, Григорий Николаевич
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Karpov, S. V.
Photochromic reactions in silver nanocomposites with a fractal structure and their comparative characteristics / S. V. Karpov, A. K. Popov, V. V. Slabko // Tech. Phys. - 2003. - Vol. 48, Is. 6. - P. 749-756, DOI 10.1134/1.1583830. - Cited References: 24 . - ISSN 1063-7842

РУБ Physics, Applied
Рубрики:
SMALL-PARTICLE COMPOSITES
   OPTICAL-PROPERTIES
   COLLOIDAL SILVER
   SELECTIVE PHOTOMODIFICATION
   CLUSTERS
   LIGHT
Аннотация: Conditions for a change in the polarization selectivity of dips in the plasmon absorption spectra of fractal silver nanocomposites irradiated by pulsed laser radiation are studied. The energy thresholds of the polarization selectivity are evaluated, and the polarization and spectral threshold characteristics are compared. Mechanisms behind the correlation between the fractal structure of the nanocomposites, on the one hand, and their optical and photochromic properties, on the other hand, are discussed. (C) 2003 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Krasnoyarsk State Tech Univ, Krasnoyarsk 660074, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Krasnoyarsk Stt. Tech. University, Krasnoyarsk 660074, Russian Federation

Доп.точки доступа:
Popov, A. K.; Slabko, V. V.; Слабко, Виталий Васильевич; Карпов, Сергей Васильевич
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Zobov, V. E.
Tree growth parameter in the Eden model on face-centered hypercubic lattices / V. E. Zobov, M. A. Popov // Theor. Math. Phys. - 2005. - Vol. 144, Is. 3. - P. 1361-1371, DOI 10.1007/s11232-005-0165-z. - Cited References: 19 . - ISSN 0040-5779

РУБ Physics, Multidisciplinary + Physics, Mathematical
Рубрики:
BRANCHED POLYMERS
   HIGH-TEMPERATURES
   EXPANSION
   CLUSTERS
   SYSTEMS
   TIME
Кл.слова (ненормированные):
Eden model -- number of lattice trees -- Monte Carlo method -- growth parameter -- singular points of generating function -- large-dimension expansion -- face-centered hypercubic lattice -- Eden model -- Face-centered hypercubic lattice -- Growth parameter -- Large-dimension expansion -- Monte Carlo method -- Number of lattice trees -- Singular points of generating function
Аннотация: In the Eden model, we investigate how the tree growth parameter depends on the space dimension d for face-centered hypercubic lattices. We find the first three terms of the 1/d-expansion for this parameter directly from the generating function without calculating the number of trees because the growth parameter is the reciprocal coordinate of the singular point of the tree generating function. The same growth parameter was calculated by computer experiment where the ratios between the numbers of trees without intersections and trees without restrictions in the dimensions 3, 4, 6, 8, and 10 were estimated by the Monte Carlo method on face-centered cubic lattices. The results of the two methods agree well. Comparing with the previously performed computer experiment for simple hypercubic lattices, we observe that the values of the singular exponents for the tree generating functions are close for two different types of lattices.

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Держатели документа:
RAS, Siberian Branch, Kirenskii Inst Phys, Novosibirsk, Russia
Krasnoyarsk State Univ, Krasnoyarsk, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Branch, RAS, Russian Federation
Krasnoyarsk State University, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Popov, M. A.; Зобов, Владимир Евгеньевич
}
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Slabko, V. V.
Self-organized aggregation of small metal particles controlled by an external light field / V. V. Slabko, G. G. Khachatryan, A. S. Aleksandrovsky // JETP Letters. - 2006. - Vol. 84, Is. 6. - P. 300-304, DOI 10.1134/S0021364006180056. - Cited References: 16 . - ISSN 0021-3640

РУБ Physics, Multidisciplinary
Рубрики:
CLUSTERS
ATOMS
Аннотация: Using simplest two- and three-particle models, it is shown that there exists a possibility of controlled aggregation of silver nanoparticles in an external light field. The aggregation occurs as a result of the dipole-dipole interaction of particles, whose energy has a minimum at a certain particle configuration and at corresponding frequency and polarization of the field.

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Krasnoyarsk State Tech Univ, Krasnoyarsk 660074, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State Technical University, Krasnoyarsk, 660074, Russian Federation

Доп.точки доступа:
Khachatryan, G. G.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Слабко, Виталий Васильевич
}
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Magnetic properties of nanoparticles of 3d metals / G. I. Frolov [et al.] // Tech. Phys. - 2008. - Vol. 53, Is. 8. - P. 1059-1064, DOI 10.1134/S1063784208080136. - Cited References: 19. - This study was supported by the targeted program "Development of the Research Potential of Higher Education Institutions," grant no. RNP.2.1.1.7376. . - ISSN 1063-7842

РУБ Physics, Applied
Рубрики:
CLUSTERS
IRON
PARTICLES
Аннотация: The influence of size effects on the coercive force, magnetization, and Curie temperature in nanoparticles of 3d metals is considered. It is shown that experimental results obtained during the last two decades provide new information on peculiar magnetic properties of these particles.

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Держатели документа:
[Frolov, G. I.
Bachina, O. I.
Zav'yalova, M. M.
Ravochkin, S. I.] Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Frolov, G. I.; Фролов, Георгий Иванович; Bachina, O. I.; Zav'yalova, M. M.; Ravochkin, S. I.
}
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    Chemistry of vinylidene complexes. XVIII. Synthesis and molecular structure of the novel trinuclear mu(3)-vinylidene complex CpReFePt(mu(3)-C=CHPh)(CO)(6)(PPh(3)) / A. B. Antonova [et al.] // J. Organomet. Chem. - 2009. - Vol. 694, Is. 1. - P. 127-130, DOI 10.1016/j.jorganchem.2008.08.037. - Cited Reference Count: 17. - Гранты: This work was supported by the Council of the Russian Federation President for Support of Young Scientists and Leading Scientific Schools (Project No. NSch-4137.2006.2) and the Krasnoyarsk Regional Science Foundation (Grants 10TS145 and 17G002). - Финансирующая организация: Council of the Russian Federation President for Support of Young Scientists and Leading Scientific Schools [NSch-4137.2006.2]; Krasnoyarsk Regional Science Foundation [10TS145, 17G002] . - ISSN 0022-328X
Рубрики:
CLUSTERS
   CRYSTAL
   MNFEPT
Кл.слова (ненормированные):
Vinylidene complexes -- Heterometallic clusters -- Rhenium -- Iron -- Platinum -- Crystal structure -- Crystal structure -- Heterometallic clusters -- Iron -- Platinum -- Rhenium -- Vinylidene complexes -- Atomic physics -- Atoms -- Bond length -- Chemical bonds -- Coordination reactions -- Crystal structure -- Iron compounds -- Nuclear magnetic resonance -- Nuclear magnetic resonance spectroscopy -- Platinum -- Quantum chemistry -- Rhenium -- Rhenium compounds -- Bond angles -- Co groups -- Double bonds -- Fe atoms -- Heterometallic -- Heterometallic clusters -- Pt atoms -- Trimetallic -- Vinylidene complexes -- X-ray diffractions -- Platinum compounds
Аннотация: The interaction between Cp(CO)(2)RePt(mu-C=CHPh)(PPh(3))(2) (1) and Fe(2)(CO)(9) afforded the new heterometallic mu(3)-vinylidene cluster CpReFePt(mu(3)-C=CHPh)(CO)(6)(PPh(3)) (2). An X-ray diffraction study shows the complex 2 possesses a trimetallic Re-Fe-Pt chain core. The bond lengths are Re-Fe 2.8221(8), Fe-Pt 2.5813(8) angstrom; the Re center dot center dot center dot Pt distance is 3.3523(7) angstrom; the bond angle Re-Fe-Pt is 76.55(3)degrees. The mu(3)-C=CHPh ligand is eta(1)-bound to the Re and Pt atoms and eta(2)-coordinated to the Fe atom. The C=C bond length is 1.412(4) angstrom. The Pt atom is coordinated by the PPh(3) and CO groups. Complex 2 is characterized by the IR and (1)H, (13)C and (31)P NMR spectra. (C) 2008 Elsevier B.V. All rights reserved.

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Держатели документа:
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660049, Russia
Russian Acad Sci, Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 119991, Russia

Доп.точки доступа:
Antonova, A.B.; Chudin, O.S.; Pavlenko, N.I.; Sokolenko, W.A.; Rubaylo, A.I.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Semeikin, O.V.
}
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Zobov, V. E.
THE critical exponent of the tree lattice generating function in the eden model / V. . Zobov // Theor. Math. Phys. - 2010. - Vol. 165, Is. 2. - P. 1443-1455, DOI 10.1007/s11232-010-0120-5. - Cited References: 14 . - ISSN 0040-5779

РУБ Physics, Multidisciplinary + Physics, Mathematical
Рубрики:
GROWTH PARAMETER
   CLUSTERS
   DIMENSIONS
   SYSTEMS
Кл.слова (ненормированные):
number of lattice trees -- tree perimeter -- generating function -- critical exponent -- hypercubic lattice -- Bethe lattice -- Eden model -- Bethe lattice -- critical exponent -- Eden model -- generating function -- hypercubic lattice -- number of lattice trees -- tree perimeter
Аннотация: We consider the increase in the number of trees as their size increases in the Eden growth model on simple and face-centered hypercubic lattices in different space dimensions. We propose a first-order partial differential equation for the tree generating function, which allows relating the exponent at the critical point of this function to the perimeter of the most probable tree. We estimate tree perimeters for the lattices considered. The theoretical values of the exponents agree well with the values previously obtained by computer modeling. We thus explain the closeness of the dimension dependences of the exponents of the simple and face-centered lattices and their difference from the results in the Bethe lattice approximation.

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Держатели документа:
[Zobov, V. E.] Kirensky Inst Phys, Siberian Branch, RAS, Krasnoyarsk, Russia
RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Branch, RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Зобов, Владимир Евгеньевич
}
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Gurevich, Y. L.
Self-assembly of superparamagnetic ferrihydrite nanoparticles / Y. L. Gurevich, Yu. I. Mankov, R. G. Khlebopros // Dokl. Phys. - 2013. - Vol. 58, Is. 11. - P. 478-481, DOI 10.1134/S1028335813110104. - Cited References: 15. - This work was supported by the Russian Foundation for Basic Research, project nos. 08-08-00427_a and 10-08-00278_a, and by the Siberian Branch, Russian Academy of Sciences, Integration project no. 21. . - ISSN 1028-3358

РУБ Mechanics + Physics, Multidisciplinary
Рубрики:
CHAINS
CLUSTERS
Аннотация: A study was conducted to estimate the possibility of formation of chains of superparamagnetic nanoparticles of iron oxyhydroxides synthesized in a bacteria culture. The self-assembly of biogenic nanoparticles distinguished by low values of magnetization and small sizes is assumed to proceed due to the forces of magnetic dipole dipole interaction as an initial mechanism of aggregation and exchange-interaction forces, which provide the stability of chains. The microphotographs demonstrate the self-assembly of anisotropic cobalt-doped ferrihydrite nanoparticles in aggregates of ellipsoidal shape with sizes of about 550 × 300 nm and a platelike shape of 50-100 nm thick. The aggregates, in turn, are combined from blocks, which include a restricted number of nanoparticles of about 5 nm in diameter and have the shape of rods of 50-100 × 12 nm in size. The energy of degaussing fields of chains is reasonably high, which forces them to form two and three dimensional structures in which the compensation of such fields is provided.

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Публикация на русском языке Самосборка суперпарамагнитных наночастиц ферригидрита. - [S. l. : s. n.]

Держатели документа:
Russian Acad Sci, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia
Russian Acad Sci, Kirenskii Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia;

Доп.точки доступа:
Mankov, Yu.I.; Маньков, Юрий Иннокентьевич; Khlebopros, R. G.; Хлебопрос, Рэм Григорьевич; Russian Foundation for Basic Research [08-08-00427_a, 10-08-00278_a]; Siberian Branch, Russian Academy of Sciences, Integration project [21]
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10.

Chemistry of vinylidene complexes. XXIII. Binuclear rhenium-palladium vinylidene bridged complexes, their reactions with diiron nonacarbonyl / V. V. Verpekin [et al.] // J. Organomet. Chem. - 2014. - Vol. 770. - P. 42-50, DOI 10.1016/j.jorganchem.2014.07.024. - Cited References: 56. - This article is dedicated to the memory of Alla B. Antonova. . - ISSN 0022-328X. - ISSN 1872-8561

РУБ Chemistry, Inorganic & Nuclear + Chemistry, Organic
Рубрики:
TRANSITION-METAL-COMPLEXES
   CATIONIC CARBYNE COMPLEXES
   RAY CRYSTAL-STRUCTURE
   MOLECULAR-STRUCTURE
   HETEROBIMETALLIC COMPLEXES
   LIGANDS
   MANGANESE
   CLUSTERS
   DINUCLEAR
   PD2CL2(MU-PH2PCH2PPH2)2
Кл.слова (ненормированные):
Rhenium -- Palladium -- Iron -- Vinylidene complexes -- Heterometallic complexes
Аннотация: The reaction of [Cp(CO)2ReCCHPh] (1) with [Pd(PPh3)4] followed by the treatment of resulting [Cp(CO)2RePd(μ-CCHPh)(PPh3)2] (2) with diphosphines (dppe, dppp) gave new complexes [Cp(CO)2RePd(μ-CCHPh)(dppe)] (3) and [Cp(CO)2RePd(μ-CCHPh)(dppp)] (4). Treatment of the synthesized complexes with [Fe2(CO)9] led to mixtures of [Cp(CO)2ReFe(μ-CCHPh)(CO)4] (5), [(dppe)PdFe2(CO)8] (6), [CpReFe2(μ3-CCHPh)(CO)8] (7), [CpReFePd(μ3-CCHPh)(CO)5(dppe)] (8) and of 5, [(dppp)PdFe2(CO)8] (9), [CpReFePd(μ3-CCHPh)(CO)5(dppp)] (10), respectively. The main products of both reactions were trinuclear μ3-vinylidene clusters 8 and 10. Reactions of the trinuclear μ3-vinylidene ReFePd clusters 8 and 10 with Fe2(CO)9 were also studied. New complexes were characterized by IR, 1H, 13C, 31P NMR spectroscopy and cyclic voltammetry. The structure of [CpReFe2(μ3-CCHPh)(CO)8] was determined by single-crystal X-ray diffraction.

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Держатели документа:
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Branch, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Phys, Siberian Branch, Krasnoyarsk 660036, Russia
RAS, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Verpekin, V. V.; Верпекин В. В.; Kondrasenko, A. A.; Кондрасенко, Александр Александрович; Chudin, O. S.; Чудин О. С.; Vasiliev, A. D.; Васильев, Александр Дмитриевич; Burmakina, G. V.; Бурмакина Г. В.; Pavlenko, N. I.; Павленко, Нина Ивановна; Rubaylo, A. I.; Рубайло, Анатолий Иосифович
}
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