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Каталог книг и брошюр библиотеки ИФ СО РАН

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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Беляев, Борис Афанасьевич, Лексиков, Александр Александрович, Изотов, Андрей Викторович, Сержантов, Алексей Михайлович, Соловьев, Платон Николаевич, Лемберг, Константин Вячеславович
Заглавие : Экспериментальное и теоретическое исследование влияния на высокочастотные свойства тонких магнитных пленок искусственной текстуры подложек
Место публикации : Изв. вузов. Физика. - 2013. - Т. 56, № 8/2. - С. 263-266
Примечания : Работа выполнена при финансовой поддержке Минобрнауки РФ, госконтракт № 14.513.11.0010, ФЦП «Научные и научно-педагогические кадры инновационной России 2009−2013» и гранта РФФИ № 12-02-12008-офи_м
Ключевые слова (''Своб.индексиров.''): текстура подложки--тонкие магнитные пленки--ферромагнитный резонанс--микромагнитное моделирование--artificial texture in substrate--magnetic films--ferromagnetic resonance--numerical micromagnetic simulation
Аннотация: С помощью сканирующего спектрометра ферромагнитного резонанса (ФМР) получены экспериментальные зависимости резонансного поля и ширины линии ФМР тонких пермаллоевых магнитных пленок, осажденных в вакууме на подложки с искусственно созданной текстурой. Текстура получена нанесением алмазным резцом параллельных рисок на стеклянные подложки с периодичностью от 5 до 200 мкм. Обнаружено, что наличие текстуры приводит к существенному росту резонансного поля и ширины линии ФМР, когда внешнее поле направлено ортогонально рискам. На основе численного микромагнитного моделирования дано объяснение природы наблюдаемых в магнитных пленках эффектов.Using the scanning spectrometer of ferromagnetic resonance (FMR) the experimental dependences of the resonance field and FMR line width of thin permalloy magnetic films, which were deposited in vacuum on the substrate with an artificial texture, were obtained. The texture was produced by putting parallel grooves using a diamond cutter on glass substrates with period from 5 to 200 μm. It was found that the presence of the texture was leading to an essential increase of th resonance field and FMR line width, when the external field was directed orthogonal to the grooves. On the base of a numerical micromagnetic simulation the explanation of nature of observable in thin magnetic films effects was given.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Mironov V. L., Kerr Y., Wigneron J.-P., Косолапова, Людмила Георгиевна, Demontoux F.
Заглавие : Temperature- and texture-dependent dielectric model for moist soils at 1.4 GHz
Место публикации : Geosci. and Remote Sensing Lett., IEEE. - 2013. - Vol. 10, Is. 3. - P.419 - 423. - DOI 10.1109/LGRS.2012.2207878
Аннотация: In this letter, a monofrequent dielectric model for moist soils taking into account dependences on the temperature and texture is proposed, in the case of an electromagnetic frequency equal to 1.4 GHz. The proposed model is deduced from a more general model proposed by Mironov and Fomin (2009) that provides estimations of the complex relative permittivity (CRP) of moist soils as a function of frequency, temperature, moisture, and texture of soils. The latter employs the physical laws of Debye and Clausius-Mossotti and the law of ion conductance to calculate the CRP of water solutions in the soil. The parameters of the respective physical laws were determined by using the CRPs of moist soils measured by Curtis (1995) for a wide ensemble of soil textures (clay content from 0% to 76%), moistures (from drying at 105 °C to nearly saturation), temperatures (10 °C -40 °C), and frequencies (0.3-26.5 GHz). This model has standard deviations of calculated CRPs from the measured values equal to 1.9 and 1.3 for the real and imaginary parts of CRP, respectively. In the model proposed in this letter, the respective standard deviations were decreased to the values of 0.87 and 0.26. In addition, the equations to calculate the complex dielectric permittivity as a function of moisture, temperature, and texture were represented in a simple form of the refractive mixing dielectric model, which is commonly used in the algorithms of radiometric and radar remote sensing to retrieve moisture in the soil.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Mironov V. L., Kerr Y., Wigneron J.-P., Kosolapova L. G., Demontoux F.
Заглавие : Temperature and texture dependent dielectric model of MOIST soils at the SMOS frequency
Коллективы : IEEE International Geoscience and Remote Sensing Symposium (2012 ; July ; 22-27; Munich, Germany)
Место публикации : IEEE International Geoscience and Remote Sensing Symposium (IGRASS): Proceedings. - Munich, 2012. - P.1127-1129. - ISBN 978-1-4673-1159-5, DOI 10.1109/IGARSS.2012.6351350
Аннотация: In this paper a single-frequent temperature and texture dependent dielectric model for moist soils is proposed. This model is designed for the frequency of 1.4 GHz at which the European sensor SMOS operates to monitor moisture of the Earth surface from space. Earlier, the dielectric model was created, that provides estimations of the complex dielectric constant of moist soils as a function of frequency, temperature, moisture and mineralogy of soils. This model was developed based on extensive measurements of the dielectric constant for a wide ensemble of soils (clay content from 0 to 76%), moistures (from zero to molecular moisture capacity), temperatures (10° C to 40° C), and frequencies (0.3 to 26.5 GHz). This model provides for fairly good accuracy. But, being cumbersome to account for frequency dependencies, the model is not always convenient for practical use at a single frequency. Exclusion of the frequency dependence allowed us to obtain a substantially more simple dielectric model to estimate the complex dielectric constant of soil at a single frequency of 1.4 GHz as a function of moisture, temperature, and clay content.
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Belyaev B. A., Izotov A. V., Leksikov Al. A., Serzhantov A. M., Lemberg K. V., Solovev P. N.
Заглавие : Thin magnetic films with artificial texture on substrate: Microwave properties
Коллективы : Euro-Asian Symposium "Trends in MAGnetism": Nanomagnetism
Место публикации : Solid State Phenom.: Selected, peer reviewed papers/ ed.: S. G. Ovchinnikov, A. Samardak: Trans Tech Publications, 2014. - Vol. 215: Trends in Magnetism: Nanomagnetism (EASTMAG-2013). - P.233-236. - ISSN 978-303835054-5, DOI 10.4028/www.scientific.net/SSP.215.233. - ISSN 1662-9779
Примечания : Cited References: 9
Ключевые слова (''Своб.индексиров.''): ferromagnetic resonance--micromagnetic simulation--nanopattering--thin magnetic films
Аннотация: Using the scanning spectrometer of ferromagnetic resonance (FMR) the experimental dependences of the resonance field and FMR line width of thin permalloy magnetic films, which were deposited in vacuum on the substrate with an artificial texture, were obtained. The texture was produced by engineering parallel grooves using a diamond cutter on glass substrates with period from 5 to 100 ?m. We found that the presence of the texture led to a considerable increase of the resonance field and FMR line width, when the external field was directed orthogonal to the grooves. By analyzing the results of a numerical micromagnetic simulation we explained the nature of the effects observed in the thin magnetic films. © (2014) Trans Tech Publications, Switzerland.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Belyaev B. A., Izotov A. V., Solovev P. N.
Заглавие : The effect of substrate artificial texture on high frequency properties of thin magnetic films
Коллективы : Magnetics and Optics Research International Symposium
Место публикации : International symposium «Magnetics and optics research» MORIS-2013: Technical digest. - 2013. - P.54-55
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Tarasov A. S., Rautskii M. V., Lukyanenko A. V., Volochaev M. N., Eremin E. V., Korobtsov V .V., Balashev V. V., Vikulov V. A., Solovyov L. A., Volkov N. V.
Заглавие : Characterization and magnetotransport properties of textured Fe3O4 films
Коллективы : Euro-Asian Symposium "Trends in MAGnetism", "Trends in MAGnetism", Euro-Asian Symposium, Институт физики им. Л.В. Киренского Сибирского отделения РАН
Место публикации : VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016): abstracts/ ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk: KIP RAS SB, 2016. - Ст.O10.21. - P.465. - ISBN 978-5-904603-06-9 (Шифр -478014040)
Примечания : References: 2. - This work was partially supported by RFBR project no. 14-02-00234, the RAS «Far East» Program No 0262-2015-0057
Ключевые слова (''Своб.индексиров.''): magnetite--texture film--spin-dependent transport
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Krakhalev M. N., Prishchepa O. O., Sutormin V. S., Zyryanov V. Ya.
Заглавие : Director configurations in nematic droplets with tilted surface anchoring
Коллективы : Russian Foundation for Basic Research (RFBR) [15-02-06924, 16-32-00164]; Siberian Branch of the Russian Academy of Sciences (SB RAS) [II.2P 0358-2015-0010]; RFBR [16-32-60036]
Место публикации : Liq. Cryst.: Taylor & Francis, 2017. - Vol. 44, Is. 2. - P.355-363. - ISSN 0267-8292, DOI 10.1080/02678292.2016.1205225. - ISSN 1366-5855(eISSN)
Примечания : Cited References:32. - This work was supported by Russian Foundation for Basic Research (RFBR) under Grants 15-02-06924 and 16-32-00164 and Siberian Branch of the Russian Academy of Sciences (SB RAS) under Complex Program [II.2P 0358-2015-0010], and V.S.S. acknowledges financial support from RFBR [16-32-60036].
Предметные рубрики: DISPERSED LIQUID-CRYSTALS
RIGIDLY FIXED POLES
ELECTRIC-FIELD
POLYMER
Ключевые слова (''Своб.индексиров.''): polymer dispersed liquid crystal--nematic droplet--director--configuration--boundary conditions--surface anchoring strength--optical--texture
Аннотация: The polymer dispersed nematic liquid crystal (LC) with the tilted surface anchoring has been studied. The droplet orientational structures with two point surface defects – boojums and the surface ring defect – are formed within the films. The director tilt angle α = 40° ± 4° at the droplet interface and LC surface anchoring strength Ws ~ 10–6 (J m−2) have been estimated. The bipolar axes within the studied droplets of oblate ellipsoidal form can be randomly oriented are oriented randomly relatively to the ellipsoid axes as opposed to the droplets with homeotropic and tangential anchoring.
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Вид документа : Статья из сборника (выпуск продолж. издания)
Шифр издания :
Автор(ы) : Mironov V. L., Karavaysky A. Yu., Molostov I. P., Lukin Y. I., Kosolapova L. G.
Заглавие : Temperature and texture dependent spectroscopic dielectric model for frozen mineral soils at 0.1-15GHz
Коллективы : Progress in Electromagnetics Research Symposium , Russian Science Foundation [14-17-00656]
Место публикации : Progr. Electromag. Res. Symp. (PIERS): Proceedings: IEEE, 2016. - P.4754-4754. - , DOI 10.1109/PIERS.2016.7735742
Примечания : Cited References:2. - The work was supported by the Russian Science Foundation (grant No. 14-17-00656).
Ключевые слова (''Своб.индексиров.''): soil--dielectrics--temperature measurement--minerals--temperature dependence--dielectric measurement--frequency measurement
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Sutormin V. S., Timofeev I. V., Krakhalev M. N., Prishchepa O. O., Zyryanov V. Ya.
Заглавие : Transformation of cholesteric orientational structures and optical textures induced by the electric field–driven ionic modification of surface anchoring
Место публикации : Bull. Russ. Acad. Sci. Phys.: Allerton Press, 2017. - Vol. 81, Is. 5. - P.602-604. - ISSN 10628738 (ISSN), DOI 10.3103/S1062873817050239
Примечания : Cited References: 8
Ключевые слова (''Своб.индексиров.''): cholesteric liquid crystals--liquid crystals--dc electric field--helical pitch--homeotropic alignment--ionic modification--liquid crystal cells--optical texture--orientational structure--surface-anchoring--electric fields
Аннотация: The reorientation of a cholesteric liquid crystal with a large helical pitch induced by the electric field–driven modification of surface anchoring is investigated. In the initial state, the liquid crystal cell has a homeotropic alignment of the director. An applied dc electric field produced a twisted homeoplanar structure of the cholesteric. © 2017, Allerton Press, Inc.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Mironov V. L., Kosolapova L. G., Lukin Y. I., Karavaysky A. Yu., Molostov I. P.
Заглавие : Temperature- and texture-dependent dielectric model for frozen and thawed mineral soils at a frequency of 1.4 GHz
Место публикации : Remote Sens. Environ.: Elsevier, 2017. - Vol. 200. - P.240-249. - ISSN 00344257 (ISSN), DOI 10.1016/j.rse.2017.08.007
Примечания : Cited References: 27. - The study was supported by a grant from the Russian Foundation for Basic Research (project № 16-05-00572).
Ключевые слова (''Своб.индексиров.''): frozen mineral soils--dielectric measurements--dielectric model--unfrozen bound water--moistened ice--1.4 ghz
Аннотация: A single-frequency dielectric model at 1.4 GHz for frozen mineral soils was developed, with the temperature and gravimetric clay content varying from − 1 to − 30°C and from 9.1 to 41.3%, respectively. The model is based on the refractive mixing dielectric model and the dielectric data measured for the three typical soils collected in the Yamal tundra. The refractive mixing dielectric model was applied to fit the measured dielectric data as a function of soil moisture at a number of fixed temperatures. As a result, the parameters of the developed model were derived as a function of temperature and texture. This set of parameters consists of the maximum gravimetric fraction of unfrozen bound water and the values of the complex refractive indexes relating to soil solids, unfrozen bound water, and moistened ice. The developed model for frozen mineral soils in conjunction with the previously developed by us dielectric model for thawed mineral soils is considered as an integral dielectric model which is applicable for permittivity calculations of soil in both thawed and frozen states. The developed integral dielectric model for frozen and thawed mineral soils was validated using the dielectric data for five measured soils, and the statistical errors were estimated in terms of the root mean square error and the determination coefficient. In addition, the only known in the literature dielectric model for frozen soils suggested by Zhang was validated based on dielectric data for soils measured in this research. The comparative analysis proved substantially better accuracy of predictions in the case of the developed model as compared to those related to the Zhang model.
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