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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Трофимова Н. Н., Велигжанин А. А., Мурзин В. Ю., Чернышов А. А., Храмов Е. В., Заблуда, Владимир Николаевич, Эдельман, Ирина Самсоновна, Словохотов Ю. Л., Зубавичус Я. В.
Заглавие : Структурная диагностика функциональных наноматериалов с использованием рентгеновского синхротронного излучения
Место публикации : Рос. нанотехнологии. - М.: Парк-медиа, 2013. - Т. 8, № 5-6. - С. 108-112
Аннотация: Представлена экспериментальная установка комплексной рентгеновской диагностики функциональных наноструктурированых материалов – станция «Структурное материаловедение», установленная на Курчатовском источнике синхротронного излучения. Дано описание ключевых конструктивных элементов станции. Исследовательские возможности станции продемонстрированы на примере «прозрачных магнитов» – стекол с магнитными наночастицами, перспективных для дизайна устройств магнитооптического хранения информации и спинтроники.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Чурилов, Григорий Николаевич, Осипова, Ирина Владимировна, Новиков П. В., Гребенникова Н. В., Чесноков Н. В.
Заглавие : Гидрирование и свойства нанодисперсных Pd-Mg-C И Pd-Al-C систем
Коллективы : "Hydrogen materials science and chemistry of carbon nanomaterials", International Conference
Место публикации : Водородное материаловедение и химия углеродных наноматериалов (ICHMS '2009): XI Международная Конференция Ялта - Крым - Украина, 25-31 Августа , 2009. - 2009. - P.270-271
Примечания : Библиогр.: 1. - Работа выполнена при поддержке фонда РФФИ (проект РФФИ 08-08-00521-а, РФФИ 09-03-00383-а).
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Osipova I. V., Churilov G. N., Novikov P.V.
Заглавие : Влияние параметров плазмы на скорости образования фуллеренов, нанотрубок и наночастиц
Коллективы : "Hydrogen materials science and chemistry of carbon nanomaterials", International Conference
Место публикации : Водородное материаловедение и химия углеродных наноматериалов (ICHMS '2009): XI Международная Конференция Ялта - Крым - Украина, 25-31 Августа , 2009. - 2009. - P.370-371
Примечания : Библиогр.: 9. - Работа выполнена при поддержке фонда РФФИ (проект РФФИ 08-08-00521-а, РФФИ 09-03-00383-а)
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Huang, Cheng-Han, Wu, Chia-Hung, Bikbaev R. G., Ye, Ming-Jyun, Chen, Chi-Wen, Wang, Tung-Jung, Timofeev I. V., Lee, Wei, Chen, Kuo-Ping
Заглавие : Wavelength- and angle-selective photodetectors enabled by graphene hot electrons with Tamm plasmon polaritons
Место публикации : Nanomaterials. - 2023. - Vol. 13, Is. 4. - Ст.693. - ISSN 20794991 (eISSN), DOI 10.3390/nano13040693
Примечания : Cited References: 50. - This work is supported by the Higher Education Sprout Project of the National Yang Ming Chiao Tung University, National Tsing Hua University, Ministry of Education and the National Science and Technology Council (NSTC 110-2221-E-007-130-MY3; 109-2628-E-007-003-MY3; 111-2923-E-007-008-MY3; 111-2628-E-007-021; 111-2119-M-A49-006). This research was funded by the Russian Science Foundation (project no. 22-42-08003)
Аннотация: Recently, two-dimensional materials have attracted attention owing to their special optical characteristics and miniaturization, with low thickness as well as extremely high responsivity. Additionally, Tamm plasmon polariton (TPP) resonance can be observed by combining a metal film and a one-dimensional (1D) photonic crystal (PC), where an electric field confinement is located at the metal–1D PC interface. In this study, a graphene layer combined with a TPP is proposed as a wavelength- and angle-selective photodetector. The graphene layer is located where the strong field confinement occurs, and the photocurrent response is significantly enhanced with increasing absorption by over four times (from 62.5 μA⋅W−1 to 271 μA⋅W−1 and undetected state to 330 μA⋅W−1 in two different samples). Moreover, the graphene–TPP photodetector has wavelength and angle selectivity, which can be applied in LiDAR detecting, sun sensors, laser beacon tracking, and navigational instruments in the future.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Samoshkina Yu. E., Edel'man I. S., Petrov D. A., Chou, Hsiung, Ovchinnikov S. G.
Заглавие : Visible MCD spectroscopy and nature of room temperature ferromagnetism in hydrogenated Сo - and (Co+Al) - doped ZnO films
Коллективы : Japanese-Mediterranean Workshop on Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nanomaterials
Место публикации : Book of abstracts of The Eleventh Japanese-Mediterranean Workshop on Applied Electromagnetic Engineering for Magnetic, Superconducting, Multifunctional and Nanomaterials (JAPMED’11). - 2019. - P.121-122
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zharkov S. M., Yumashev V. V., Moiseenko E. T., Altunin R. R., Solovyov L. A., Volochaev M. N., Zeer G. M., Nikolaeva N. S., Belousov O. V.
Заглавие : Thermokinetic study of aluminum-induced crystallization of a-Si: The effect of Al layer thickness
Колич.характеристики :24 с
Место публикации : Nanomaterials. - 2023. - Vol. 13, Is. 22. - Ст.2925. - ISSN 20794991 (eISSN), DOI 10.3390/nano13222925
Примечания : Cited References: 70. - This work was supported by the Russian Science Foundation under grant #22-13-00313
Аннотация: The effect of the aluminum layer on the kinetics and mechanism of aluminum-induced crystallization (AIC) of amorphous silicon (a-Si) in (Al/a-Si)n multilayered films was studied using a complex of in situ methods (simultaneous thermal analysis, transmission electron microscopy, electron diffraction, and four-point probe resistance measurement) and ex situ methods (X-ray diffraction and optical microscopy). An increase in the thickness of the aluminum layer from 10 to 80 nm was found to result in a decrease in the value of the apparent activation energy Ea of silicon crystallization from 137 to 117 kJ/mol (as estimated by the Kissinger method) as well as an increase in the crystallization heat from 12.3 to 16.0 kJ/(mol Si). The detailed kinetic analysis showed that the change in the thickness of an individual Al layer could lead to a qualitative change in the mechanism of aluminum-induced silicon crystallization: with the thickness of Al ≤ 20 nm. The process followed two parallel routes described by the n-th order reaction equation with autocatalysis (Cn-X) and the Avrami–Erofeev equation (An): with an increase in the thickness of Al ≥ 40 nm, the process occurred in two consecutive steps. The first one can be described by the n-th order reaction equation with autocatalysis (Cn-X), and the second one can be described by the n-th order reaction equation (Fn). The change in the mechanism of amorphous silicon crystallization was assumed to be due to the influence of the degree of Al defects at the initial state on the kinetics of the crystallization process.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Shetty P. P., Babu M., Maksimov D. N., Bingi J.
Заглавие : Thermo-optic refraction in MoS2 medium for “Normally on” all optical switch
Место публикации : Opt. Mater. - 2021. - Vol. 112. - Ст.110777. - ISSN 09253467 (ISSN), DOI 10.1016/j.optmat.2020.110777
Примечания : Cited References: 25. - Authors acknowledge the funding support from DST India under INT/RUS/RFBR/P-262
Аннотация: Two dimensional (2D) nanomaterials like Molybdenum disulfide (MoS2) have been drawing a lot of interest due to their excellent nonlinear optical response. In this research we study thermal lens formation in MoS2 nanoflakes dispersion using mode mismatched pump probe configuration. Observation of the pump and probe beam intensity patterns gave visual insights on time evolution of photothermal lens formation. Effect of MoS2 nanoflakes concentration on thermo-optic properties of dispersions were studied using thermal lens spectroscopy technique. Further, a thermo-optic refraction based technique to measure thermal lens size is proposed. Thermal lens region size increased with increase in pump power. The observed thermal lens modulation is applied to demonstrate ‘normally on’ all optical switch which showed excellent modulation of output beam signal by pump beam.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Fedorov A. S., Teplinskaia A. S.
Заглавие : Thermal properties of porous silicon nanomaterials
Место публикации : Materials. - 2022. - Vol. 15, Is. 23. - Ст.8678. - ISSN 19961944 (ISSN), DOI 10.3390/ma15238678
Примечания : Cited References: 50. - This study was funded by the Ministry of Science and High Education of Russian Federation, project no. FSRZ-2020-0008
Аннотация: The thermal properties, including the heat capacity, thermal conductivity, effusivity, diffusivity, and phonon density of states of silicon-based nanomaterials are analyzed using a molecular dynamics calculation. These quantities are calculated in more detail for bulk silicon, porous silicon, and a silicon aerocrystal (aerogel), including the passivation of the porous internal surfaces with hydrogen, hydroxide, and oxygen ions. It is found that the heat capacity of these materials increases monotonically by up to 30% with an increase in the area of the porous inner surface and upon its passivation with these ions. This phenomenon is explained by a shift of the phonon density of states of the materials under study to the low-frequency region. In addition, it is shown that the thermal conductivity of the investigated materials depends on the degree of their porosity and can be changed significantly upon the passivation of their inner surface with different ions. It is demonstrated that, in the various simulated types of porous silicon, the thermal conductivity changes by 1–2 orders of magnitude compared with the value for bulk silicon. At the same time, it is found that the nature of the passivation of the internal nanosilicon surfaces affects the thermal conductivity. For example, the passivation of the surfaces with hydrogen does not significantly change this parameter, whereas a passivation with oxygen ions reduces it by a factor of two on average, and passivation with hydroxyl ions increases the thermal conductivity by a factor of 2–3. Similar trends are observed for the thermal effusivities and diffusivities of all the types of nanoporous silicon under passivation, but, in that case, the changes are weaker (by a factor of 1.5–2). The ways of tuning the thermal properties of the new nanostructured materials are outlined, which is important for their application.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Churilov G. N. , Fedorov A. S. , Sorokin P. B., Novikov P. V., Bulina N. V., Marchenko S. A. , Martinez Yu. S. , Gedanken A.
Заглавие : Theoretical study and experimental investigation of hydrogen absorption by carbon nanomaterials
Место публикации : NATO Science for Peace and Security Series A: Chemistry and Biology. - 2007. - Т. 2007, № . - С. 127-132. - ISSN 1874-6489, DOI 10.1007/978-1-4020-5514-0_14
ГРНТИ : 31
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Kholtobina A. S., Kovaleva E. A., Melchakova J., Ovchinnikov S. G., Kuzubov A. A.
Заглавие : Theoretical investigation of the prospect to tailor ZnO electronic properties with VP thin films
Место публикации : Nanomaterials. - 2021. - Vol. 11, Is. 6. - Ст.1412. - ISSN 20794991 (ISSN), DOI 10.3390/nano11061412
Примечания : Cited References: 75. - This research was funded by the Russian Science Foundation, grant number 20-73-00179. The authors would like to thank the Information Technology Centre, Novosibirsk State University for providing access to their supercomputers
Аннотация: The atomic and electronic structure of vanadium phosphide one-to four-atomic-layer thin films and their composites with zinc oxide substrate are modelled by means of quantum chemistry. Favorable vanadium phosphide to ZnO orientation is defined and found to remain the same for all the structures under consideration. The electronic structure of the composites is analyzed in detail. The features of the charge and spin density distribution are discussed.
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