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Каталог книг и брошюр библиотеки ИФ СО РАН

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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Fedorov A. S., Krasnov P.O., Visotin M. A., Ågren H.
Заглавие : Study of plasmons and thermoelectric properties of nanoparticles connected by thin conductive bridges
Коллективы : Asian School-Conference on Physics and Technology of Nanostructured Materials, Азиатская школа-конференция по физике и технологии наноструктурированных материалов
Место публикации : The Fifth Asian School-Conference on Physics and Technology of Nanostructured Materials: Proceedings. - VLadivostok: Dalnauka Publishing, 2020. - Ст.VI.30.03o. - P.168. - ISBN 978-5-8044-1698-1
Примечания : This study was supported by the Russian Science Foundation, project no. 16-13-00060.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tarasov I. A., Yakovlev I. A., Volochaev M. N., Nazarova Z.I., Nazarov A., Fedorov A. S., Varnakov S. N., Ovchinnikov S. G.
Заглавие : Growth and thermoelectric properties of composite thin films based on higher iron and manganese silicides
Коллективы : Asian School-Conference on Physics and Technology of Nanostructured Materials, Азиатская школа-конференция по физике и технологии наноструктурированных материалов
Место публикации : The Fifth Asian School-Conference on Physics and Technology of Nanostructured Materials: Proceedings. - VLadivostok: Dalnauka Publishing, 2020. - Ст.III.30.04p. - P.90. - ISBN 978-5-8044-1698-1
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Orlov Yu. S., Vereshchagin S. N., Novikov, S., V, Burkov A. T., Borus A. A., Sitnikov, M., V, Solovyov L. A., Volochaev M. N., Dudnikov V. A.
Заглавие : Effect of mechanical activation on the thermoelectric properties of Sr1-xSmxTiO3 ceramics
Коллективы : Russian Science FoundationRussian Science Foundation (RSF) [19-72-00097]
Место публикации : Ceram. Int. - 2021. - Vol. 47, Is. 20. - P.28992-28999. - ISSN 0272-8842, DOI 10.1016/j.ceramint.2021.07.060. - ISSN 1873-3956(eISSN)
Примечания : Cited References: 31. - This study was supported by the Russian Science Foundation, project no. 19-72-00097
Предметные рубрики: SRTIO3
LA
MICROSTRUCTURE
CONDUCTIVITY
PERFORMANCE
FIGURE
MERIT
Аннотация: The Sr1-xSmxTiO3 (х = 0.025, 0.05, 0.075, 0.1, 0.2) strontium titanate solid solutions were prepared from oxides and carbonates using a conventional ceramic technology based on the mechanochemical activation. The electrical conductivity and Seebeck coefficient of the synthesized compounds were measured in the temperature range from 300 to 800 K. We found that the properties of the samples significantly depend on the preliminary mechanochemical activation. The thermoelectric power factor attains maximum value in the hydrogen reduced samples with concentration of х = 0.05 and 0.075 obtained from nanoparticles: 5.5 μW/(cm · K2) for Sr0.95Sm0.05TiO3 (580 K) and 4.10 μW/(cm · K2) for Sr0.925Sm0.075TiO3 (650 K). An increase in the annealing temperature of mechanically activated samples leads to an even greater increase in electrical conductivity and power factor: 9.2 μW/(cm · K2) for Sr0.925Sm0.075TiO3 (650 K).
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Dudnikov V. A., Orlov Yu. S., Solovyov L. A., Vereshchagin S. N., Gavrilkin S. Y.
Заглавие : The Sr2.4Dy0.6Co2O7-δ Ruddlesden‒Popper Phase: Structural, thermoelectric, and magnetic properties
Место публикации : Ceram. Int. - 2021. - Vol. 47, Is. 7, Part A. - P.9068-9074. - ISSN 02728842 (ISSN), DOI 10.1016/j.ceramint.2020.12.030
Примечания : Cited References: 39. - The study was supported by the Russian Foundation for Basic Research , project no. 19-03-00017 and the budget project #АААА-А17-117021310222-4 for the Institute of Chemistry and Chemical Technology, Siberian Branch of the Russian Academy of Sciences
Аннотация: A new anion-deficient Sr2.4Dy0.6Co2O7‒δ (δ = 0.33–1.1) perovskite phase with a structure of the A3B2O7 Raddlesden‒Popper homologous series has been obtained by the solid-state synthesis in the reducing/oxidizing atmosphere and its structural characterization has been performed by the Rietveld refinement of the X-ray powder diffraction data. It has been stablished that the Sr2.4Dy0.6Co2O7‒δ compound (sp. gr. I4/mmm) has parameters of a = b = 3.8526(1) and c = 19.9431(7) Å in the reduced form (δ = 1.1) and a = b = 3.8086(1) and c = 19.9190(6) Å in the oxidized form (δ ≈ 0.33) and oxygen vacancies occupy mainly the sites linking CoO5 polyhedra inside two perovskite layers. It has been established using differential scanning calorimetry and thermogravimetry that, at T 530 K, the synthesized phase is stable against the inert and oxidizing atmosphere; at higher temperatures, the Sr2.4Dy0.6Co2O7-δ compound can reversibly absorb/release oxygen. The magnetic properties of the Sr2.4Dy0.6Co2O6.09 compound have been investigated in the temperature range of 10–400 K and described in terms of the formation of dimers, in which the Co3+‒Co3+ and Co2+‒Co2+ ion pairs antiferromagnetically interact and are in the nonmagnetic ground state. The electrical conductivity and the Seebeck coefficient have been measured in air in the temperature range from 300 to 800 K. An observed sharp decrease in the Seebeck coefficient of the Sr2.4Dy0.6Co2O7-δ compound and the change in its sign near 700 K have been attributed to the transition of cobalt ions to the Co3+ state and the charge disproportionation of Co3+ ions to Co2+ and Co4+ ones.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Fedorov A. S., Krasnov, Pavel O., Visotin M. A., Tomilin F. N., Polyutov, Sergey P.
Заглавие : Thermoelectric and Plasmonic Properties of Metal Nanoparticles Linked by Conductive Molecular Bridges
Коллективы : Russian Science FoundationRussian Science Foundation (RSF) [16-13-00060]; Ministry of Science and High Education of the Russian Federation; FSRZ-2020-0008 (plasmonic properties)
Место публикации : Phys. Status Solidi B. - 2020. - Vol. 257, Is. 12. - Ст.2000249. - ISSN 0370-1972, DOI 10.1002/pssb.202000249. - ISSN 1521-3951(eISSN)
Примечания : Cited References: 53. - This study was supported by the Russian Science Foundation, project no. 16-13-00060 (thermoelectric properties), and by the Ministry of Science and High Education of the Russian Federation, project no. FSRZ-2020-0008 (plasmonic properties)
Предметные рубрики: POLYMERS
ARRAYS
RANGE
Аннотация: Thermoelectric and plasmonic properties of systems comprising small golden nanoparticles (NPs) linked by narrow conductive polymer bridges are studied using the original hybrid quantum-classical model. The bridges are considered here to be either conjugated polyacetylene, polypyrrole, or polythiophene chain molecules terminated by thiol groups. The parameters required for the model are obtained using density functional theory and density functional tight-binding simulations. Charge-transfer plasmons in the considered dumbbell structures are found to possess frequency in the infrared region for all considered molecular linkers. The appearance of plasmon vibrations and the existence of charge flow through the conductive molecule, with manifestation of quantum properties, are confirmed using frequency-dependent polarizability calculations implemented in the coupled perturbed Kohn-Sham method. To study the thermoelectric properties of the 1D periodical systems, a universal equation for the Seebeck coefficient is derived. The phonon part of the thermal conductivity for the periodical -NP-S-C8H8- system is calculated by the classical molecular dynamics. The thermoelectric figure of meritZTis calculated by considering the electrical quantum conductivity of the systems in the ballistic regime. It is shown that forAu309nanoparticles connected by polyacetylene, polypyrrole, or polythiophene chains atT = 300 K, the ZTvalue is {0.08;0.45;0.40}, respectively.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Dudnikov V. A., Fedorov A. S., Orlov Yu. S., Solovyov L. A., Vereshchagin S. N., Gavrilkin, S. Yu, Tsvetkov, A. Yu, Gorev M. V., Novikov, S., V, Ovchinnikov S. G.
Заглавие : Thermoelectric properties of the SmCoO3 and NdCoO3 cobalt oxides
Коллективы : Russian Science FoundationRussian Science Foundation (RSF) [16-13-00060]
Место публикации : Ceram. Int. - 2020. - Vol. 46, Is. 11. - P.17987-17991. - ISSN 0272-8842, DOI 10.1016/j.ceramint.2020.04.113. - ISSN 1873-3956(eISSN)
Примечания : Cited References: 41. - This study was supported by the Russian Science Foundation, project no. 16-13-00060.
Предметные рубрики: MAGNETIC-PROPERTIES
SPIN
CONDUCTIVITY
TRANSITIONS
LACOO3
SITE
Аннотация: The thermoelectric properties of the NdCoO3 and SmCoO3 rare-earth cobalt oxides with a perovskite structure have been investigated in a wide temperature range. It is shown that, in the low-temperature region, the thermal conductivity of the compounds has a sharp maximum and the electrical conductivity of the samples increases with temperature, whereas the Seebeck coefficient behaves nonmonotonically with increasing temperature. The SmCoO3 oxide is characterized by the positive thermopower over the entire investigated range with a sharp growth in the low-temperature region, attaining the maximum value (S ≈ 1000 μV/K) near room temperature, and a further decrease. It has been established that, in the NdCoO3 oxide, the Seebeck coefficient changes its sign, which was rarely observed in the La-based compounds and is atypical of the undoped rare-earth cobalt oxides. The thermopower maximum obtained at a temperature of 450 K is 400 μV/K. The regions of the fastest growth of the thermoelectric power factor correspond to the anomalies caused by the spin transition of Со3+ ions and the dielectric–metal transition.
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Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Belyaev B. A., Khodenkov S. A., Shepeta N. A., Chyurikova T. I., Malyshev D. O.
Заглавие : Investigation of microstrip ultra-wideband bandpass filters
Коллективы : International Scientific Conference on Electronic Devices and Control Systems
Место публикации : J. Phys. Conf. Ser. - 2020. - Vol. 1488, Is. 1. - Ст.012012. - DOI 10.1088/1742-6596/1488/1/012012
Примечания : Cited References: 16. - This study was supported by the Ministry of Education and Science of the Russian Federation, State assignment
Аннотация: Ultra-wideband microwave filters with high frequency-selective properties have been developed by means of electrodynamic numerical analysis of 3D models. Microstrip structures, which are studied theoretically and experimentally, use one multimode resonator and a pair of single-mode resonators. There is fairly good agreement between the calculated data and the data taken on the experimental sample. The relative bandwidth of the manufactured microstrip filter is 60%.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Orlov Yu. S., Dudnikov V. A., Vereshchagin S. N., Volochaev M. N., Gavrilkin S. Y., Tsvetkov A. Y.
Заглавие : Order–disorder transition in the Dy0.2Sr0.8CoO3-δ rare-earth cobalt oxide solid solutions: Structural and thermoelectric properties
Место публикации : J. Eur. Ceram. Soc. - 2020. - Vol. 40, Is. 15. - P.5559-5565. - ISSN 09552219 (ISSN), DOI 10.1016/j.jeurceramsoc.2020.06.066
Примечания : Cited References: 29. - This study was supported by the Russian Science Foundation, project no. 19-72-00097
Аннотация: By the example of the Dy0.2Sr0.8CoO3-δ compound undergoing an order–disorder phase transition with increasing temperature, we demonstrate a significant dependence of the kinetic properties on the morphology of the internal spatially inhomogeneous structure, which forms in the sample depending on the rate of its transition from the high-temperature disordered cubic phase to the ground tetragonal ordered phase upon cooling. The results of transmission electron microscopy visualization of the spatially inhomogeneous state in the Dy0.2Sr0.8CoO3-δ ceramic samples are presented and compared with the X-ray diffraction data.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Tambasov I. A., Voronin A. S., Evsevskaya N. P., Kuznetsov, Yu M., Luk'yanenko A. V., Tambasova E. V., Gornakov M. O., Dorokhin, M., V, Loginov, Yu Yu
Заглавие : Experimental study of the thermal conductivity of single-walled carbon nanotube-based thin films
Коллективы : Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR); Government of the Krasnoyarsk Territory; Krasnoyarsk Territorial Foundation for Support of Scientific and RD Activity [18-42-243010]; Russian FederationRussian Federation [SP-2235.2019.1]
Место публикации : Phys. Solid State. - 2020. - Vol. 62, Is. 6. - P.1090-1094. - ISSN 1063-7834, DOI 10.1134/S1063783420060311. - ISSN 1090-6460(eISSN)
Примечания : Cited References: 21. - This study was supported by the Russian Foundation for Basic Research, the Government of the Krasnoyarsk Territory, and the Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activity, project Study of the Thermal Conductivity and Structural Features in Nanostructured Oxide Thin Films Promising for Thermoelectric Applications no. 18-42-243010 and the Scholarships of the President of the Russian Federation (SP-2235.2019.1).
Предметные рубрики: THERMOELECTRIC PROPERTIES
TRANSPORT-PROPERTIES
Аннотация: The single-walled carbon nanotube-based thin films with a thickness from 11 ± 3 to 157 ± 18 nm have been formed using vacuum filtration. The thermal conductivity of the thin films as a function of thickness and temperature up to 450 K has been studied by the 3ω technique. It has been found that, in the region of 49 nm, the supplied heat from a gold strip started propagating with the high efficiency to the thin film plane. The thermal conductivity of the thin films with a thickness of 49 ± 8 nm was measured using the 3ω technique for bulk samples. It has been found that the thermal conductivity of the single-walled carbon nanotube-based thin films strongly depends on their thickness and temperature. The thermal conductivity sharply (by a factor of ~60) increases with an increase in thickness from 11 ± 3 to 65 ± 4 nm. In addition, it has been observed that the thermal conductivity of the thin film with a thickness of 157 ± 18 nm rapidly decreases from 211 ± 11 to 27.5 ± 1.4 W m–1 K–1 at 300 and 450 K, respectively.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Udod L. V., Aplesnin S. S., Sitnikov M. N., Romanova O. B.
Заглавие : Investigation of the magnetoelectric effect and thermoelectric power of the composite of iron-substituted bismuth pyrostannate Bi2(Sn0.7Fe0.3)2O7/Bi2Fe4O9
Колич.характеристики :7 с
Место публикации : Phys. Solid State. - 2023. - Vol. 65, Is. 8. - P.1305-1311. - ISSN 10637834 (ISSN), DOI 10.21883/PSS.2023.08.56576.83. - ISSN 10906460 (eISSN)
Примечания : Cited References: 45
Аннотация: The composite compound Bi2(Sn0.7Fe0.3)2O7/Bi2Fe4O9 in the ratio 91/9% was synthesized by the solid-phase reaction method. The current-voltage characteristics were studied in the temperature range 800–400 K. The hysteresis of the current-voltage characteristics was found. The magnetoelectric interaction and thermoelectric power have been studied. The temperatures of predominance of the even and linear functions of the magnetoelectric effect are established. The sign change of the thermopower has been found.
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