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    2-Thiobarbiturate complexes of Ca(II): synthesis, crystal structure and thermal properties / N. N. Golovnev [et al.] // 3 Int. Conf. on the Advancement of Mater. and Nanotechn. (ICAMN 2013) : Programme and abstracts book. - 2013. - P. 157
   Перевод заглавия: 2-тиобарбитуровые комплексы Ca(II): синтез, кристаллическая структура и термические свойства
Кл.слова (ненормированные):
calcium -- 2-thiobarbituric acid -- crystal structure -- thermal decomposition -- IR spectroscopy

Доп.точки доступа:
Golovnev, N. N.; Головнёв, Николай Николаевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Vereschagin, S. N.; Верещагин, С. Н.; Atuchin, V. V.; Атучин, Виктор Валерьевич; International Conference on the Advancement of Materials and Nanotechnology (3 ; 2013 ; Nov. ; 19-22 ; Penang, Malaysia)
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    Characterization of the iron oxide phases formed during the synthesis of core-shell FexOy@C nanoparticles modified with Ag / D. A. Petrov, C. R. Lin, R. D. Ivantsov [et al.] // Nanotechnology. - 2020. - Vol. 31, Is. 39. - Ст. 395703, DOI 10.1088/1361-6528/ab9af2. - Cited References: 46. - The reported study was funded by Joint Research Project of Russian Foundation for Basic Research № 19-52-52002 and Ministry of Science and Technology, Taiwan MOST № 108-2923-M-153-001-MY3 and № 106-2112-M-153-001-MY3. The samples of series 1 were studied with the support of the Ministry of Science and Higher Education of the Russian Federation within the State assignment FSRC «Crystallography and Photonics» RAS. The electron microscopy investigations were conducted in the SFU Joint Scientific Center supported by the State assignment (#FSRZ-2020-0011) of the Ministry of Science and Higher Education of the Russian Federation . - ISSN 1361-6528
   Перевод заглавия: Идентификация фаз оксида железа, формирующихся в процессе синтеза наночастиц FexOy@C с морфологией ядро-оболочка, модифицированных Ag
Кл.слова (ненормированные):
core–shell nanoparticles -- iron oxides -- carbon shell -- Ag nanoparticles
Аннотация: Core–shell FexOy@C nanoparticles (NPs) modified with Ag were studied with x-ray diffraction, transmission electron microscopy, energy dispersive elemental mapping, Mössbauer spectroscopy, static magnetic measurements, and optical magnetic circular dichroism (MCD). FexOy@C NPs synthesized by the pyrolysis process of the mixture of Fe(NO3)3 centerdot 9H2O with oleylamine and oleic acid were added to a heated mixture of oleylamine and AgNO3 in different concentrations. The final product was a mixture of iron oxide crystalline NPs in an amorphous carbon shell and Ag crystalline NPs. The iron oxide NPs were presented by two magnetic phases with extremely close crystal structures: Fe3O4 and γ-Fe2O3. Ag is shown to form crystalline NPs located very close to the iron oxide NPs. An assumption is made about the formation of hybrid FexOy@C-Ag NPs. Correlations were obtained between the Ag concentration in the fabricated samples, their magnetic properties and the MCD spectrum shape. Introducing Ag led to a approximately linear decrease of the NPs saturation magnetization depending upon the Ag concentration, it also resulted into the MCD spectrum shift to the lower light wave energies. MCD was also studied for the Fe3O4@C NPs synthesized earlier with the same one-step process using different heat treatment temperatures, and MCD spectra were compared for two series of NPs. A possible contribution of the surface plasmon excitation in Ag NPs to the MCD spectrum of the FexOy@C-Ag NPs is discussed.

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Держатели документа:
Kirensky Institute of Physics, FRC, KSC, SB RAS, Krasnoyarsk 660036, Russia
National Pingtung University, Pingtung City, Pingtung County 90003, Taiwan
Siberian Federal University, Svobodny Av., 79, Krasnoyarsk 660041, Russia
Shubnikov Institute of Crystallography of FSRC 'Crystallography and Photonics' RAS, Moscow 119333, Russia

Доп.точки доступа:
Petrov, D. A.; Петров, Дмитрий Анатольевич; Lin, C. R.; Ivantsov, R. D.; Иванцов, Руслан Дмитриевич; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Yurkin, G. Yu.; Юркин, Глеб Юрьевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Knyazev, Yu. V.; Князев, Юрий Владимирович; Molokeev, M. S.; Молокеев, Максим Сергеевич; Tseng, Y. T.; Lin, E. S.; Edelman, I. S.; Эдельман, Ирина Самсоновна; Baskakov, A. O.; Starchikov, S. S.; Lyubutin, I. S.
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    Chemical bonding effect in complex oxyfluorides with transition metals / V. V. Atuchin [et al.] // 3 Int. Conf. on the Advancement of Mater. and Nanotechn. (ICAMN 2013) : Programme and abstracts book. - 2013. - P. 68
   Перевод заглавия: Эффект химического связывания в оксифторидах с переходными металлами
Кл.слова (ненормированные):
XPS -- oxyfluoride -- transition metals -- crystal structure -- bonding

Доп.точки доступа:
Atuchin, V. V.; Isaenko, L. I.; Kesler, V. G.; Laptash, N. M.; Molokeev, M. S.; Молокеев, Максим Сергеевич; International Conference on the Advancement of Materials and Nanotechnology (3 ; 2013 ; Nov. ; 19-22 ; Penang, Malaysia)
}
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    Conversion of magnetic anisotropy in electrodeposited Co-Ni alloy nanowires / A. S. Samardak [et al.] // J. Magn. Magn. Mater. - 2015. - Vol. 383. - P. 94-99, DOI 10.1010/j.jmmm.2014.10.047. - Cited References:24. - This work was supported in part by the Russian Ministry of Education and Science and Far Eastern Federal University. M.N acknowledges the student financial support of Iranian Nanotechnology Initiative Council. . - ISSN 0304. - ISSN 1873-4766
   Перевод заглавия: Конверсия магнитной анизотропии в электроосажденных нанонитях сплава CoNi

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
COBALT NANOWIRES
ARRAYS
Кл.слова (ненормированные):
Coercive force -- Magnetic anisotropy -- Magnetic hysteresis -- Binary alloy -- nanowires -- Alumina template -- Electrodeposition
Аннотация: In this paper, the influence of alternating current (ac) electrodeposition frequency and waveform is reported on chemical composition, microstructure and consequently magnetic properties of Co-Ni binary alloy nanowire arrays embedded in an alumina template. For sinusoidal and square electrodeposition waveforms the easy axis of magnetization rotates from being parallel to perpendicular orientation to nanowire long axis as the deposition frequency increases from 200 to 800 Hz. The reason for the drastic change of magnetic anisotropy in nanowires is attributed to the increase of cobalt content and the crystal structure phase transformation from fcc-hcp mixture at high Ni content to imp at high Co content. We explain the conversion of magnetic behavior of nanowire arrays in terms of a competition between the shape and magnetocrystalline anisotropies. (C) 2014 Elsevier B.V. All rights reserved.

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Держатели документа:
Far Eastern Fed Univ, Sch Nat Sci, Vladivostok, Russia.
Sahand Univ Technol, Fac Mat Engn, Tabriz, Iran.
SB Russian Acad Sci, Inst Phys, Krasnoyarsk, Russia.

Доп.точки доступа:
Samardak, A. S.; Nasirpouri, F.; Nadi, M.; Sukovatitsina, E. V.; Ognev, A. V.; Chebotkevich, L. A.; Komogortsev, S. V.; Комогорцев, Сергей Викторович; Russian Ministry of Education and Science; Far Eastern Federal University; Iranian Nanotechnology Initiative Council
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    Zhiguo, Xia.
    Crystal structure and photoluminescence properties of europium doped Ca7La3(PO4)3(SiO4)3F2 / X Zhiguo, M. S. Molokeev, V. V. Atuchin // XVI Международная конференция "Опто-, наноэлектроника, нанотехнологии и микросистемы" : Труды. - Ульяновск, 2013. - P. 156
   Перевод заглавия: Кристаллическая структура и фотолюминесцентные свойства Ca7La3(PO4)3(SiO4)3F2 допированного Eu

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Доп.точки доступа:
Molokeev, M. S.; Молокеев, Максим Сергеевич; Atuchin, V. V.; Институт нанотехнологий микроэлектроники РАН; Ульяновский государственный университет; Российский фонд фундаментальных исследованийАкадемия наук Татарстана; "Opto-, nanoelectronics, nanotechnology, and microsystems", International Conference (2013 ; Jul. ; 26-30 ; Ulyanovsk, Russia); "Опто-, наноэлектроника, нанотехнологии и микросистемы", международная конференция (2013 ; июль.; 26-30 ; Ульяновск)
}
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    Effect of visible and UV irradiation on the aggregation stability of CdTe quantum dots / A. S. Tsipotan [et al.] // J. Nanopart. Res. - 2016. - Vol. 18, Is. 11. - P. 324-8, DOI 10.1007/s11051-016-3638-0. - Cited References: 23 . - ISSN 1388-0764
   Перевод заглавия: Влияние видимого и ультрафиолетового излучения на процесс агрегации квантовых точек CdTe
Кл.слова (ненормированные):
Nanotechnology -- Quantum dots -- Photostimulated aggregation -- Photostability -- Colloids -- Laser-induced self-assembly
Аннотация: The possibility of controlling the aggregation stability of CdTe quantum dots (QDs) stabilized by thioglycolic acid (TGA) is important for implementation of quasi-resonant laser-induced self-assembly. This study examines the influence of irradiation by the UV as well as by the visible light on the photostimulated aggregation of QDs. Different photochemical mechanisms are identified, depending on whether light wavelength falls into an interband transition or the first exciton transition. Irradiation by visible light does not lead to changes in the absorption spectra but decreases luminescence intensity through the detachment of TGA and the formation of dangling bonds, leading to the creation of radiativeless relaxation centers. UV irradiation (in the 300–370 nm range), at an intensity of 0.4 W/cm2, initially (during the first 75 min) leads to the degradation of the stabilizer and QDs’ surface. After 75 min of combined UV and visible light irradiation, a gradual increase in spontaneous aggregation takes place, testifying excessive decrease in stabilizing potential barrier height. Hence, the laser-induced self-assembly of CdTe QDs is recommended to be performed over a time period of between 80 and 100 min after the beginning of low-intensity UV irradiation under conditions equivalent to those applied in this study. © 2016, Springer Science+Business Media Dordrecht.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Russian Academy of Sciences, Kirensky Institute of Physics, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Tsipotan, A. S.; Gerasimova, M. A.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zharkov, S. M.; Жарков, Сергей Михайлович; Slabko, V. V.
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    Electronic structure of α-SrB4O7 / V. V. Atuchin [et al.] // XVI Международная конференция "Опто-, наноэлектроника, нанотехнологии и микросистемы" : Труды. - Ульяновск, 2013. - P. 101-101
   Перевод заглавия: Электронная структура α-SrB4O7

Материалы конференции

Доп.точки доступа:
Atuchin, V. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Ignatova, N. Y.; Kesler, V. G.; Kuzubov, A. A.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Институт нанотехнологий микроэлектроники РАН; Ульяновский государственный университет; Российский фонд фундаментальных исследований; Академия наук Татарстана; "Opto-, nanoelectronics, nanotechnology, and microsystems", International Conference (2013 ; Jul. ; 26-30 ; Ulyanovsk, Russia); "Опто-, наноэлектроника, нанотехнологии и микросистемы", международная конференция (2013 ; июль.; 26-30 ; Ульяновск)
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Ignatchenko, V. A.
Exchange narrowing of magnetic resonance linewidths in inhomogeneous ferromagnets / V. A. Ignatchenko, V. A. Felk // Phys. Rev. B. - 2005. - Vol. 71, Is. 9. - Ст. 94417, DOI 10.1103/PhysRevB.71.094417. - Cited References: 32 . - ISSN 1098-0121

РУБ Physics, Condensed Matter
Рубрики:
AMORPHOUS FERROMAGNETS
   RANDOM ANISOTROPY
   NANOCRYSTALLINE
   CRYSTALS
   ALLOYS
Кл.слова (ненормированные):
ferromagnetic material -- anisotropy -- article -- calculation -- correlation analysis -- crystal structure -- magnetism -- mathematical analysis -- nanotechnology -- nuclear magnetic resonance
Аннотация: The theory of exchange narrowing of ferromagnetic and spin-wave resonance linewidths in ferromagnets with the randomly inhomogeneous magnetic anisotropy is developed. The calculation is carried out by the method of averaged Green functions in the framework of the coherent potential approximation (CPA). One- and three-dimensional inhomogeneities with an arbitrary correlation wave number k(c) are considered (r(c)=k(c)(-1) is the correlation radius of the inhomogeneities). The method of the approximate solution of the CPA equation is proposed which has the quick convergence. Effects of exchange narrowing of the magnetic resonance lines and shifts of these lines are calculated in the whole region of the values of the correlation wave number k(c). The approximate analytical expressions for the linewidth of the FMR in the limiting cases of the small and large k(c) are obtained. Large narrowing of the FMR and spin-wave linewidths with the decrease of the correlation, radius of inhomogeneities is the substantiation. of the main advantage of nanocrystalline and amorphous materials over usual polycrystals when they are used at high frequency devices.

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Держатели документа:
RAS, SB, 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:
Felk, V. A.; Игнатченко, Вальтер Алексеевич
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High-temperature synthesis and electronic structure of b-RbSm(MoO4)2 / V. V. Atuchin [et al.] // XVIII Международная конференция "Опто-, наноэлектроника, нанотехнологии и микросистемы" : Труды. - Ульяновск, 2015. - P. 9-10

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Доп.точки доступа:
Atuchin, V. V.; Атучин, Виктор Валерьевич; Aleksandrovskiy, A. S.; Александровский, Александр Сергеевич; Chimitova, O. D.; Чимитова О. Д.; Diao Cheng-Peng; Gavrilova, T. A.; Kesler, V. G.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Bazarov, B. G.; Базаров Б. Г.; Bazarova, Zh.G.; Базарова Ж. Г.; Институт нанотехнологий микроэлектроники РАН; Ульяновский государственный университет; Российский фонд фундаментальных исследований; Академия наук Татарстана; "Opto-, nanoelectronics, nanotechnology, and microsystems", International Conference(18 ; 2015 ; Jul. ; 24-26 ; Ulyanovsk, Russia); "Опто-, наноэлектроника, нанотехнологии и микросистемы", международная конференция(2015 ; июнь.; 24-26 ; Ульяновск)
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10.

    Improvement of dielectric properties and energy storage performance in sandwich-structured P(VDF-CTFE) composites with low content of GO nanosheets / L. Cheng, K. Liu, M. Q. Wang [et al.] // Nanotechnology. - 2021. - Vol. 32, Is. 42. - Ст. 425702, DOI 10.1088/1361-6528/ac1295. - Cited References: 56. - The authers gratefully acknowledge the support by the National Natural Science Foundation of China: 51902111; DongGuan Innovation Research Team Program: 2020607101007; Dongguan Postgraduate Joint Training (Practice) Workstation: 2019707102018; Guangdong HUST Industrial Technology Research Institute, Guangdong Provincial Key Laboratory of Manufacturing Equipment Digitization: 2020B1212060014 . - ISSN 0957-4484. - ISSN 1361-6528
   Перевод заглавия: Совершенствование диэлектрических характеристик и эффективности накопления энергии в слоистых композитах P(VDF-CTFE) с низким содержанием нанослоев GO

РУБ Nanoscience & Nanotechnology + Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
CHARGE-DISCHARGE EFFICIENCY
POLYMER NANOCOMPOSITES
BREAKDOWN STRENGTH
Кл.слова (ненормированные):
polymer matrix composites -- thin films -- finite element analysis -- sandwiched-structured
Аннотация: Polymer-based dielectric capacitors play a notable part in the practical application of energy storage devices. Graphene oxide (GO) nanosheets can improve the dielectric properties of polymer-based composites. However, the breakdown strength will greatly reduce with the increase of GO content. Hence, the construction of sandwich structure can enhance the breakdown strength without reducing the dielectric constant. Herein, single-layered and sandwich-structured poly(vinylidene fluoride-co-chlorotrifluoroethylene) (P(VDF-CTFE)) nanocomposites with low content of GO nanosheets (<1.0 wt%) are prepared via employing a straightforward casting method. Compared with the single-layered composites and pure P(VDF-CTFE), the sandwich-structured composites exhibit comprehensively better performance compared. The sandwich-structured composite with 0.4 wt% GO nanosheets show an excellent dielectric constant of 13.6 (at 1 kHz) and an outstanding discharged energy density of 8.25 J cm−3 at 3400 kV cm−1. These results demonstrate that the growth of the dielectric properties is owing to 2D GO nanosheets and the enhancement of breakdown strength due to the sandwich structure. The results from finite element simulation provide theoretical support for the design of high energy density composites.

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Держатели документа:
Hubei Univ, Fac Phys & Elect Sci, Hubei Key Lab Ferro & Piezoelect Mat & Devices, Wuhan 430062, Peoples R China.
Guangdong HUST Ind Technol Res Inst, Guangzhou 523808, Guangdong, Peoples R China.
Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mould Technol, Wuhan 430074, Peoples R China.
Guilin Univ Elect Technol, Coll Mat Sci & Engn, Guilin 541004, Peoples R China.
SB RAS, Kirensky Inst Phys, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.
State Grid Elect Power Res Inst, Luoyu Rd 143, Wuhan 430074, Hubei, Peoples R China.
Shihezi Univ, Sch Mech & Elect Engn, Shihezi, Peoples R China.
Huazhong Univ Sci & Technol, Sch Artificial Intelligence & Automat, Wuhan 430074, Peoples R China.

Доп.точки доступа:
Cheng, Lian; Liu, Kai; Wang, Mengqi; Fan, Pengyuan; Zhou, Changrong; Vtyurin, A. N.; Втюрин, Александр Николаевич; Deng, Heming; Zhang, Ling; Zhang, Haibo; Hu, Yongming; Nan, B.o.; Liu, Yang
}
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