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Krasnov, P. O.
Interaction of Scandium and Titanium Atoms with a Carbon Surface Containing Five- and Seven-Membered Rings / P. O. Krasnov, N. S. Eliseeva, A. A. Kuzubov // J. Exp. Theor. Phys. - 2012. - Vol. 114, Is. 1. - P. 80-84, DOI 10.1134/S1063776111160059. - Cited References: 25. - We are grateful to the Joint Supercomputer Center, Russian Academy of Sciences, for the possibility of using the computer cluster for our quantum-chemical calculations. This work was supported by the Ministry of Education and Science of the Russian Federation (federal program "Human Capital for Science and Education in Innovative Russia" for 2009-2013). . - ISSN 1063-7761. - ISSN 1090-6509

РУБ Physics, Multidisciplinary
Рубрики:
MOLECULAR-HYDROGEN COMPLEXES
   STORAGE
   NANOTUBES
   TRANSITION
   ENERGY
   TEMPERATURE
   EXCHANGE
   DYNAMICS
   METALS
   C60
Аннотация: The use of carbon nanotubes coated by atoms of transition metals to store molecular hydrogen is associated with the problem of the aggregation of these atoms, which leads to the formation of metal clusters. The quantum-chemical simulation of cluster models of the carbon surface of a graphene type with scandium and titanium atoms has been performed. It has been shown that the presence of five- and seven-membered rings, in addition to six-membered rings, in these structures makes it possible to strongly suppress the processes of the migration of metal atoms over the surface, preventing their clustering.

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Публикация на русском языке Краснов, Павел Олегович. Взаимодействие атомов скандия и титана с углеродной поверхностью, содержащей пятичленные и семичленные кольца [Текст] / П. О. Краснов, Н. С. Елисеева, А. А. Кузубов // Журн. эксперим. и теор. физ. : Наука, 2012. - Т. 141 Вып. 1. - С. 90-95

Держатели документа:
[Krasnov, P. O.
Kuzubov, A. A.] Siberian State Technol Univ, Krasnoyarsk 660049, Russia
[Krasnov, P. O.
Kuzubov, A. A.] Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
[Eliseeva, N. S.
Kuzubov, A. A.] Siberian Fed Univ, Krasnoyarsk 660041, Russia

Доп.точки доступа:
Eliseeva, N. S.; Kuzubov, A. A.; Кузубов, Александр Александрович; Краснов, Павел Олегович; Ministry of Education and Science of the Russian Federation
}
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Calculation of the energy of binding of titanium and scandium complexes to the surface of carbon nanotubes / A. A. Kuzubov [et al.] // Russ. J. Phys. Chem. B. - 2009. - Vol. 3, Is. 4. - P. 679-683, DOI 10.1134/S1990793109040289. - Cited References: 27. - This work was supported by the analytical departmental program "Development of Higher Education Potential (2009-2100)" (grant 2.1.1/2584) and by the Russian Foundation for Basic Research, project no. 09-02-00324-a. . - ISSN 1990-7931

РУБ Physics, Atomic, Molecular & Chemical
Рубрики:
MOLECULAR-HYDROGEN COMPLEXES
   STORAGE
   TEMPERATURE
   TRANSITION
   DYNAMICS
   METALS
Аннотация: Complexes of zigzag-type carbon nanotubes (CNTs) with transition metal atoms, scandium and titanium, were studied. It was demonstrated that the energy of binding of both atoms with a carbon surface decreases whereas the rate of diffusion along the surface increases with increasing nanotube diameter. The rate constant of migration of scandium atoms over a CNT surface are several orders of magnitude higher than that for titanium atoms, because the CNT surface-Sc atom binding energy is substantially lower.

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Держатели документа:
Institute of Natural and Humanitarian Sciences, Siberian Federal University, Krasnoyarsk 660041, Russian Federation
Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Siberian State Technological University, Krasnoyarsk 660049, Russian Federation

Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Krasnov, P. O.; Краснов, Павел Олегович; Kozhevnikov, T. A.; Popov, M. A.; Analytical departmental program "Development of Higher Education Potential" [2.1.1/2584]; Russian Foundation for Basic Research [09-02-00324-a]
}
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    Мартенситные превращения в никелиде титана через промежуточную фазу с ГЦК-решеткой / Л. И. Квеглис [и др.] // Физич. мезомеханика. - 2016. - Т. 19, № 2. - С. 100-107 . - ISSN 1683-805X
   Перевод заглавия: Martensitic transformations in titanium nickelide through an intermediate phase with fcc lattice
Кл.слова (ненормированные):
никелид титана -- пластическая деформация -- мартенситное превращение -- дифракция электронов -- кристаллические структуры -- кластеры -- titanium nickelide -- plastic deformation -- martensitic transformation -- Electron diffraction -- Crystal structures -- clusters
Аннотация: В работе рассматриваются процессы структурообразования в массивных образцах сплава Ni51Ti49, подвергнутых растягивающей нагрузке. Методами электронной микроскопии и дифракции электронов показана возможность существования фазы с ГЦК-решеткой в никелиде титана. Обнаружено, что межплоскостные расстояния ОЦК110, ГЦКШ и ГПУ002 в исследованном сплаве имеют близкие значения, что свидетельствует о возможности их взаимного полиморфного превращения. С позиции модульной самоорганизации предложена схема мартенситных превращений в никелиде титана из структуры В2 (ОЦК-решетка) в структуру В19' (ГПУ-решетка) через промежуточную фазу с ГЦК-решеткой.
Structure formation in bulk Ni51Ti49 alloy specimens under tensile loading is studied. Electron microscopy and electron diffraction methods are applied to show that a phase with fcc lattice can be present in titanium nickelide. It is found that interplanar spacings bcc110, fcc111 and hcp002 in the studied alloy have close values, which demonstrates the possibility of their mutual polymorphic transformation. A scheme of B2>B19' (bcc>hcp) martensitic transformation through an intermediate phase with fcc lattice is proposed for titanium nickelide from the standpoint of modular self-organization.

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Держатели документа:
Восточно-Казахстанский государственный технический университет
Институт физики СО РАН им. Киренского
Сибирский федеральный университет

Доп.точки доступа:
Квеглис, Людмила Иосифовна; Kveglis L. I.; Носков, Ф. М.; Noskov F. M.; Волочаев, Михаил Николаевич; Volochaev, M. N.; Джее, А. В.; Dzhes A. V.
}
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Особенности формирования линзовидных кристаллов при мартенситных превращениях в никелиде титана / А. С. Джес [и др.] // Фундамент. проблемы совр. материаловед. - 2016. - Т. 13, № 1. - С. 96-104 . - ISSN 1811-1416
Кл.слова (ненормированные):
titanium nickelide -- plastic deformation -- martensitic transformation -- Lenticular crystals -- bending extinction contours -- method of magnetic torques -- никелид титана -- пластическая деформация -- мартенситное превращение -- линзовидные кристаллы -- изгибные экстинкционные контуры -- метод магнитных крутящих моментов
Аннотация: В работе рассматриваются процессы структурообразования в массивных образцах сплава Ni51Ti49 подвергнутых растягивающей нагрузке. Методами электронной микроскопии обнаружены линзовидные кристаллы, имеющие химический состав и структуру, отличающийся от состава матричного сплава. С помощью анализа изгибных экстинкционных контуров на электронно-микроскопических изображениях линзовидных кристаллов сделаны оценки внутренних напряжений в зонах локализации деформации. Показано, что образцы сплава Ni51Ti49 испытавшие множественные циклы прямых и обратных мартенситных переходов обладают ненулевой намагниченностью, вызванной ростом новой ферромагнитной фазы.
The paper deals with the processes of structure formation in massive Ni51Ti49 alloy samples subjected to tensile loading. Electron microscopy revealed lenticular crystals having a chemical composition and structure, wherein the composition of the matrix alloy. By analyzing bending extinction contours on electron microscopic images of lenticular crystals made assessment of internal stresses in the areas of localization of deformation. It is shown that the alloy samples Ni51Ti49 experienced multiple cycles of direct and reverse martensitic transformations have a non-zero magnetization caused by the growth of new ferromagnetic phase.

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Держатели документа:
Восточно-Казахстанский государственный технический университет
Восточно-Казахстанский государственный университет
Институт физики СО РАН
Сибирский федеральный университет

Доп.точки доступа:
Джес, Алексей Владимирович; Носков, Федор Михайлович; Квеглис, Людмила Иосифовна; Волочаев, Михаил Николаевич; Volochaev, M. N.; Тажибаева, Гаухар Баранбаевна
}
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Magnetic properties of plastically deformed nickel-titanium alloy / L. I. Kveglis [et al.] // VI Euro-Asian Symposium "Trends in MAGnetism" (EASTMAG-2016) : abstracts / ed.: O. A. Maksimova, R. D. Ivantsov. - Krasnoyarsk : KIP RAS SB, 2016. - Ст. P9.30. - P. 421. - References: 3 . - ISBN 978-5-904603-06-9
Кл.слова (ненормированные):
martensite transformation -- ferromagnetic phase -- lenticular nanocrystals

Доп.точки доступа:
Kveglis, L. I.; Квеглис, Людмила Иосифовна; Volochaev, M. N.; Волочаев, Михаил Николаевич; Dzhes, A. V.; Джес, Алексей Владимирович; Noskov, F. M.; Носков, Федор Михайлович; Euro-Asian Symposium "Trends in MAGnetism"(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); "Trends in MAGnetism", Euro-Asian Symposium(6 ; 2016 ; Aug. ; 15-19 ; Krasnoyarsk); Институт физики им. Л.В. Киренского Сибирского отделения РАН

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Titanium nitride as light trapping plasmonic material in silicon solar cell / N. Venugopal [et al.] // Opt. Mater. - 2017. - Vol. 72. - P. 397-402, DOI 10.1016/j.optmat.2017.06.035. - Cited References: 56 . - ISSN 0925-3467
Кл.слова (ненормированные):
Photovoltaics -- Plasmonics -- Titanium nitride
Аннотация: Light trapping is a crucial prominence to improve the efficiency in thin film solar cells. However, last few years, plasmonic based thin film solar cells shows potential structure to improve efficiency in photovoltaics. In order to achieve the high efficiency in plasmonic based thin film solar cells, traditionally noble metals like Silver (Ag) and Gold (Au) are extensively used due to their ability to localize the light in nanoscale structures. In this paper, we numerically demonstrated the absorption enhancement due to the incorporation of novel plasmonic TiN nanoparticles on thin film Silicon Solar cells. Absorption enhancement significantly affected by TiN plasmonic nanoparticles on thin film silicon was studied using Finite-Difference-Time-Domain Method (FDTD). The optimal absorption enhancement 1.2 was achieved for TiN nanoparticles with the diameter of 100 nm. The results show that the plasmonic effect significantly dominant to achieve maximum absorption enhancement g(λ) at longer wavelengths (red and near infrared) and as comparable with Au nanoparticle on thin film Silicon. The absorption enhancement can be tuned to the desired position of solar spectrum by adjusting the size of TiN nanoparticles. Effect of nanoparticle diameters on the absorption enhancement was also thoroughly analyzed. The numerically simulated results show that TiN can play the similar role as gold nanoparticles on thin film silicon solar cells. Furthermore, TiN plasmonic material is cheap, abundant and more Complementary Metal Oxide Semiconductor (CMOS) compatible material than traditional plasmonic metals like Ag and Au, which can be easy integration with other optoelectronic devices.

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Держатели документа:
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk, Russian Federation
Institute of Computational Modeling, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
L.V. Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Venugopal, N.; Gerasimov, V. S.; Герасимов, Валерий Сергеевич; Ershov, A. E.; Ершов, Александр Евгеньевич; Karpov, S. V.; Карпов, Сергей Васильевич; Polyutov, S. P.
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    Structure and magnetic properties of titanium nickelide nanoparticles synthesized by pulsed laser ablation method / A. K. Drozdova [et al.] // J. Phys. Conf. Ser. - 2017. - Vol. 857, Is. 1. - Ст. 012007, DOI 10.1088/1742-6596/857/1/012007. - Cited References: 9 . - ISSN 1742-6588
   Перевод заглавия: Структура и магнитные свойства наночастиц никелида титана, синтезированных методом импульсной лазерной абляции
Кл.слова (ненормированные):
Ablation -- Coatings -- High resolution transmission electron microscopy -- Laser ablation -- Nanomagnetics -- Nanoparticles -- Synthesis (chemical) -- Titanium -- Transmission electron microscopy -- Equiatomic composition -- Magnetization values -- Ti atoms -- Titanium nickelide -- Pulsed lasers
Аннотация: We have successfully synthesized magnetic titanium nickelide nanoparticles with equiatomic composition by pulsed laser ablation method. Using transmission electron microscopy and microanalysis was revealed that particles represent the homogeneous conglomerates containing identical amount of Ni and Ti atoms. The magnetization value of nanoparticles was estimated.

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Доп.точки доступа:
Drozdova, A. K.; Cherepanov, V. N.; Svetlichny, V. A.; Kveglis, L. I.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; International Conference on Films and Coatings(13 ; 18-20 April 2017 ; St. Petersburg)
}
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Superparamagnetic behavior of titanium nickelide nanoparticles obtained by laser ablation / A. K. Drozdova [и др.] // Moscow Int. Symp. on Magnet. (MISM-2017) : 1-7 July 2017 : book of abstracts. - 2017. - Ст. 2PO-J-33. - P. 286. - Cited References: 2

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Доп.точки доступа:
Drozdova, A. K.; Cherepanov, V. N.; Svetlichny, V. A.; Kveglis, L. I.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Moscow International Symposium on Magnetism(7 ; 2017 ; Jul. ; Moscow); Московский государственный университет им. М.В. Ломоносова; Российский фонд фундаментальных исследований
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Refractory titanium nitride two-dimensional structures with extremely narrow surface lattice resonances at telecommunication wavelengths / V. I. Zakomirnyi [et al.] // Appl. Phys. Lett. - 2017. - Vol. 111, Is. 12. - Ст. 123107, DOI 10.1063/1.5000726. - Cited References: 54. - This work was supported by the RF Ministry of Education and Science, the State contract with Siberian Federal University for scientific research in 2017–2019. Numerical calculations were performed using the MVS-1000M system at the Institute of Computational Modeling of the Siberian Branch of the Russian Academy of Sciences. . - ISSN 0003-6951
Кл.слова (ненормированные):
Bandwidth -- Nanoparticles -- Nanostructures -- Optical properties -- Plasmons -- Q factor measurement -- Refractory materials -- Titanium compounds -- Diffractive grating -- Electromagnetic response -- Localized surface plasmon -- Low cost fabrication -- Plasmonic nanoparticle -- Telecommunication bandwidth -- Telecommunication wavelengths -- Two-dimensional structures -- Titanium nitride
Аннотация: Regular arrays of plasmonic nanoparticles have brought significant attention over the last decade due to their ability to support localized surface plasmons (LSPs) and exhibit diffractive grating behavior simultaneously. For a specific set of parameters (i.e., period, particle shape, size, and material), it is possible to generate super-narrow surface lattice resonances (SLRs) that are caused by interference of the LSP and the grating Rayleigh anomaly. In this letter, we propose plasmonic structures based on regular 2D arrays of TiN nanodisks to generate high-Q SLRs in an important telecommunication range, which is quite difficult to achieve with conventional plasmonic materials. The position of the SLR peak can be tailored within the whole telecommunication bandwidth (from ≈ 1.26 μm to ≈ 1.62 μm) by varying the lattice period, while the Q-factor is controlled by changing nanodisk sizes. We show that the Q-factor of SLRs can reach a value of 2 × 103, which is the highest reported Q-factor for SLRs at telecommunication wavelengths so far. Tunability of optical properties, refractory behavior, and low-cost fabrication of TiN nanoparticles paves the way for manufacturing cheap nanostructures with extremely stable and adjustable electromagnetic response at telecommunication wavelengths for a large number of applications.

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Держатели документа:
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk, Russian Federation
Division of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, Stockholm, Sweden
Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, United States
Institute of Computational Modeling, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian State University of Science and Technology, Krasnoyarsk, Russian Federation
L. V. Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Zakomirnyi, V. I.; Rasskazov, I. L.; Gerasimov, V. S.; Герасимов, Валерий Сергеевич; Ershov, A. E.; Ершов, Александр Евгеньевич; Polyutov, S. P.; Karpov, S. V.; Карпов, Сергей Васильевич
}
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10.

    Particular charactristics of the synthesis of titanium nitride nanopowders in the plasma of low pressure arc discharge / A. V. Ushakov [et al.] // IOP Conf. Ser.: Mater. Sci. Eng. - 2017. - Vol. 255, Is. 1. - Ст. 012006, DOI 10.1088/1757-899X/255/1/012006. - Cited References: 26
   Перевод заглавия: Особенности синтеза нанопорошков нитрида титана в дуговом разряде плазмы низкого давления
Аннотация: The method of producing TiN nanopowders in the plasma of low pressure arc discharge in nitrogen atmosphere is discussed. The influence of gas pressure on nanopowder dispersion is studied. It is shown that the particles have nanometer size and a narrow particle size distribution.

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Доп.точки доступа:
Ushakov, A. V.; Karpov, I. V.; Lepeshev, A. A.; Лепешев, Анатолий Александрович; Fedorov, L. Y.; Dorozhkina, E. A.; Karpova, O. N.; Shaikhadinov, A. A.; Demin, V. G.; Bachurina, E. P.; Lichargin, D. V.; Abkaryan, A. K.; Zeer, G. M.; Зеер Г.М.; Zharkov, S. M.; Жарков, Сергей Михайлович; International Scientific Conference Reshetnev Readings(20 ; 2016 ; Nov. 9-12 ; Krasnoyarsk)
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11.

Preparation of polymers based on fullerenes and nanoparticles of titanium carbide and their properties / G. N. Churilov [et al.] // 13th Int. Conf. "Adv. Carbon Nanostructures" : Book of abstracts. - 2017. - Poster session 1: Fullerenes and Nanodiamond Particles. - Ст. P1-14. - P. 83. - Библиогр.: 1 . - ISBN 978-5-93634-037-6
Аннотация: When carbon condensate (CC) is synthesized by spraying graphite rods containing doping powders in arc discharge plasma, usually, in addition to fullerenes, nanoparticles, metal nanoparticles with a carbon shell or nanoparticles of metal carbide are formed [1]. The description of a procedure for the preparation of polymers based on fullerenes and nanodispersed titanium carbide particles and the results of investigation of these polymers will be given in this paper. Titanium and titanium oxide are used as doping powders. The solutions extracted with carbon disulfide are filtered through paper filters. According to X-ray diffraction analysis and transmission electron microscope, the carbon disulphide extract from CC synthesized with the inputting of metallic titanium, does not contain nanoparticles of this metal or its carbide and is characterized by the presence of fullerite clusters (extract 1). While the extract from the CC synthesized with the titanium oxide inputting contains TiC nanoparticles with size of 7–10 nm, while fullerenes are also contained, but in the amorphous state (extract 2) of Fig.1. HPLC analysis of the fullerenes toluene solution, obtained by redissolution of extract 1, allowed to isolate the fullerenes with the usual composition and with the usual ratio between components (C60 – 74.4 %, C70 – 18.9 % and higher fullerenes – 6.7 %). The redissolution of extract 2 in toluene, did not allow to obtain fullerenes solution. Thus, the presence of nanodispersive particles of TiC in the fullerenes solution, upon their drying, leads to polymers formation.

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Доп.точки доступа:
Churilov, G. N.; Чурилов, Григорий Николаевич; Dudnik, A. I.; Дудник, Александр Иванович; Osipova, I. V.; Осипова, Ирина Владимировна; Vnukova, N. G.; Внукова, Наталья Григорьевна; Nikolaev, N. S.; Николаев, Никита Сергеевич; Volochaev, M. N.; Волочаев, Михаил Николаевич; Tomashevich, Y. V.; Томашевич, Евгений Владимирович; "Advanced carbon nanostructures", International conference(13 ; 2017 ; July ; 3-7 ; Saint-Petersburg); Физико-технический институт им. А.Ф. Иоффе РАН; Национальный исследовательский центр "Курчатовский институт"; Санкт-Петербургский государственный технологический институт (технический университет)
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12.

Titanium nitride nanoparticles as an alternative platform for plasmonic waveguides in the visible and telecommunication wavelength ranges / V. I. Zakomirnyi [et al.] // Photonics Nanostruc. Fundam. Appl. - 2018. - Vol. 30. - P. 50-56, DOI 10.1016/j.photonics.2018.04.005. - Cited References: 85. - This work was supported by the RF Ministry of Education and Science, the State contract with Siberian Federal University for scientific research in 2017–2019 and SB RAS Program No II.2P (0358-2015-0010). . - ISSN 1569-4410
Кл.слова (ненормированные):
Nanoparticle -- Titanium nitride -- Surface plasmon polariton -- Plasmon waveguide -- Refractory plasmonics
Аннотация: We propose to utilize titanium nitride (TiN) as an alternative material for linear periodic chains (LPCs) of nanoparticles (NPs) which support surface plasmon polariton (SPP) propagation. Dispersion and transmission properties of LPCs have been examined within the framework of the dipole approximation for NPs with various shapes: spheres, prolate and oblate spheroids. It is shown that LPCs of TiN NPs support high-Q eigenmodes for an SPP attenuation that is comparable with LPCs from conventional plasmonic materials such as Au or Ag, with the advantage that the refractory properties and cheap fabrication of TiN nanostructures are more preferable in practical implementations compared to Au and Ag. We show that the SPP decay in TiN LPCs remains almost the same even at extremely high temperatures which is impossible to reach with conventional plasmonic materials. Finally, we show that the bandwidth of TiN LPCs from non-spherical particles can be tuned from the visible to the telecommunication wavelength range by switching the SPP polarization, which is an attractive feature for integrating these structures into modern photonic devices.

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Держатели документа:
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk, Russian Federation
School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden
The Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, United States
Institute of Computational Modeling, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Siberian State University of Science and Technology, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Zakomirnyi, V. I.; Rasskazov, I. L.; Gerasimov, V. S.; Герасимов, Валерий Сергеевич; Ershov, A. E.; Ершов, Александр Евгеньевич; Polyutov, S. P.; Karpov, S. V.; Карпов, Сергей Васильевич; Agren, H.
}
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13.

    Microstructure and phase composition of the two-phase ceramic synthesized from titanium oxide and zinc oxide / G. M. Zeer [et al.] // Sci. Sinter. - 2018. - Vol. 50, Is. 2. - P. 173-181, DOI 10.2298/SOS1802173Z. - Cited References: 22 . - ISSN 0350-820X
   Перевод заглавия: Микроструктура и фазовый состав двухфазной керамики, синтезированной из оксидов титана и цинка
Кл.слова (ненормированные):
Nanopowders -- Titanium oxide -- Zinc oxide -- Solid phase reaction -- Ceramic
Аннотация: We have made investigations of the phase formation and microstructure on the ceramics obtained from a starting nanopowder mixture with the weight ratio ZnO : TiO2 = 4 : 1. Ceramic is obtained at different sintering temperatures, namely, 948, 1223 and 1473 К. Using the characterization methods of electron microscopy, energy dispersive microanalysis and X-ray diffraction phase analysis it has been shown that the ceramics structure is consisted of two dispersed phases of Zn2TiO4 and ZnO with the grain sizes being in range 0,5-1 μm. It has been found also that, at ceramic`s sintering temperature of 1223 К, the solid phase interactions are completed with the structure ZnO : Zn2TiO4 ≈ 1 : 1,5 phase ratio.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian State Aerospace University, Krasnoyarsk, 660014, Russian Federation

Доп.точки доступа:
Zeer, G. M.; Zelenkova, E. G.; Nikolaeva, N. S.; Zharkov, S. M.; Жарков, Сергей Михайлович; Abkaryan, A. K.; Mikheev, A. A.
}
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14.

Ultra-narrow surface lattice resonances in periodic structures of refractory titanium nitride nanodiscs / V. I. Zakomirnyi [et al.] // 14th Topical Meeting Novel Optical Materials and Applications : program. - 2018. - Polaritonics. - Ст. NOW4J.3. - P. 85
Аннотация: We show that regular arrays of TiN nanodiscs support high-Q surface lattice resonances at telecom range. The obtained data open new prospects for utilization of refractory TiN in new photonics interconnects operating at high temperatures.

Материалы конференции,
Материалы конференции

Доп.точки доступа:
Zakomirnyi, V. I.; Rasskazov, I. L.; Рассказов, Илья Леонидович; Gerasimov, V. P.; Герасимов, Виктор Петрович; Ershov, A. E.; Ершов, Александр Евгеньевич; Ågren, H.; Polyutov, S. P.; Karpov, S. V.; Карпов, Сергей Васильевич; Novel Optical Materials and Applications, Topical Meeting(14 ; 2018 ; 2-5 July ; Zürich, Switzerland); OSA Optics and Photonics Congress(2018 ; 2-5 July ; Zürich, Switzerland)
}
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15.

Using titanium additives to produce high porous tiNi-based alloys with martensitic transformations / S. G. Anikeev, N. V. Artyukhova, M. I. Kaftaranova [et al.] // AIP Conf. Proc. - 2020. - Vol. 2310. - Ст. 020018DOI 10.1063/5.0034809. - Cited References: 13. - The study is funded by the Russian Science Foundation (project No. 19-79-10045)
Аннотация: Structural features of porous TiNi-based materials with Ti additives produced by diffusion sintering have been studied. TiNi powder fraction with a size of 100–160 µm used for sintering provides highly porous material. It is found that increased concentrations of Ti additives decrease the porosity coefficient of the material and increase the volumetric content of the secondary Ti2Ni and Ti4Ni2 (0, N, C) phases. It is shown that Ti powder additives can be used to improve the atomic composition of the TiNi compound.

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Держатели документа:
National Research Tomsk State University, Tomsk, 634050, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Anikeev, S. G.; Artyukhova, N. V.; Kaftaranova, M. I.; Khodorenko, V. N.; Monogenov, A. N.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Garin, A. S.; Mamazakirov, O. R.; International Conference on Physical Mesomechanics. Materials with Multilevel Hierarchical Structure and Intelligent Manufacturing Technology 2020(5 - 9 October 2020 ; Tomsk, Russian Federation)
}
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16.

Emergence of ferromagnetism in nanoparticles of BeTiO3 ceramic with the perovskite structure / A. V. Pavlov, L. I. Kveglis, D. N. Saprykin [et al.] // Inorg. Mater.: Appl. Res. - 2021. - Vol. 12, Is. 1. - P. 88-93, DOI 10.1134/S2075113321010330. - Cited References: 21. - The part of the work involving calculations was supported by the Russian Science Foundation (grant no. 18-19-00268) . - ISSN 2075-1133
Кл.слова (ненормированные):
titanium dioxide nanopowder -- rutile structure -- beryllium ceramic -- magnetic hysteresis -- electrical resistance -- electronic structure -- icosahedral clusters
Аннотация: Emergence of ferromagnetism and an increase in the electrical conductance of BeTiO3 beryllium ceramic with the perovskite structure were discovered experimentally. To explain the reason for appearance of the metallic properties, models are proposed, and calculations of the electronic structure of nanoclusters with different short-range order are performed.

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Публикация на русском языке Появление ферромагнетизма в наночастицах керамики со структурой перовскита BeTiO3 [Текст] / А. В. Павлов, Л. И. Квеглис, Д. Н. Сапрыкин [и др.] // Материаловедение. - 2020. - № 5. - С. 15-20

Держатели документа:
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Sarsen Amanzholov East Kazakhstan State University, Ust’-Kamenogorsk, 070000, Kazakhstan
Tomsk State University, Tomsk, 634050, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Pavlov, A. V.; Kveglis, L. I.; Saprykin, D. N.; Nasibullin, R. T.; Kalitova, A. A.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Nemtsev, I. V.; Немцев, Иван Васильевич; Kantai, N.
}
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17.

Magnetic properties of nickel-titanium alloy during martensitic transformations under plastic and elastic deformation / L. I. Kveglis, F. M. Noskov, M. N. Volochaev [et al.] // Symmetry. - 2021. - Vol. 13, Is. 4. - Ст. 665, DOI 10.3390/sym13040665. - Cited References: 61 . - ISSN 2073-8994

РУБ Multidisciplinary Sciences
Рубрики:
NITI SHAPE-MEMORY
   CRYSTAL-STRUCTURE
   WAVE MECHANICS
   TRANSITIONS
Кл.слова (ненормированные):
titanium nickelide -- deformation -- martensitic transformation -- electron diffraction -- ferromagnetism -- clusters
Аннотация: This paper focuses on the processes of the occurrence of magnetization during structure formation in samples of Ni51Ti49 alloy under deformation conditions. The possibility of the existence of a phase with an FCC (face-centered cubic) lattice in titanium nickelide has been demonstrated by electron microscopy and electron diffraction. It has been discovered that the interplanar distances of BCC110 (body-centered cubic), FCC111, and HCP002 (hexagonal close packed) in the alloy under study have similar values, which indicates the possibility of their mutual polymorphic transformation. Based on the modular self-organization, a scheme of martensitic transformations in titanium nickelide from the B2 structure (BCC lattice) to the B19' structure (HCP lattice) through an intermediate phase with an FCC lattice is proposed. It is shown that lenticular crystals appear in the Ni51Ti49 alloy under tensile deformation until rupture, which is accompanied by the onset of ferromagnetism. The effect of magnetization in Ni51Ti49 samples when immersed in liquid nitrogen has been also discovered. In this case, the reason for the appearance and disappearance of magnetization can be associated with microdeformation processes caused by direct and reverse martensitic transitions that occur during cooling and heating of the samples.

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Держатели документа:
Siberian Fed Univ, Polytech Inst, Svobodny Ave 79, Krasnoyarsk 660041, Russia.
Amanjolov East Kazakhstan Univ, Phys Dept, 30th Guards Div Str 34, Ust Kamenogorsk 070002, Kazakhstan.
Russian Acad Sci, Kirensky Inst Phys, Siberian Div, Akad Gorodok 50, Akademgorodok 660036, Russia.
Tomsk State Univ, Natl Res, Lenin Ave 36, Tomsk 634050, Russia.
Univ Wroclaw, Fac Chem, 14 F Joliot Curie Str, PL-50383 Wroclaw, Poland.
Ind Univ Tyumen, Ctr Adv Res & Innovat, Volodarsky Str 38, Tyumen 625000, Russia.

Доп.точки доступа:
Kveglis, Ludmila I.; Noskov, Fedor M.; Volochaev, M. N.; Волочаев, Михаил Николаевич; Nyavro, Alexander V.; Filarowski, Aleksander
}
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18.

Structural, optical, and electronic properties of Cu-doped TiNxOy grown by ammonothermal atomic layer deposition / F. A. Baron, Y. L. Mikhlin, M. S. Molokeev [et al.] // ACS Appl. Mater. Interfaces. - 2021. - Vol. 13, Is. 27. - P. 32531-32541, DOI 10.1021/acsami.1c08036. - Cited References: 69. - This research was funded by the RFBR, Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science (project code 20-42-240013) and by the grant of the Government of the Russian Federation for Creation of World Tier Laboratories (contract no. 075-15-2019-1886) . - ISSN 1944-8244. - ISSN 1944-8252

РУБ Nanoscience & Nanotechnology + Materials Science, Multidisciplinary
Рубрики:
OXYNITRIDE THIN-FILMS
TITANIUM-NITRIDE
CONFORMAL TIN
Кл.слова (ненормированные):
atomic layer deposition -- titanium oxynitride -- copper doping -- surface segregation -- thin film
Аннотация: Copper-doped titanium oxynitride (TiNxOy) thin films were grown by atomic layer deposition (ALD) using the TiCl4 precursor, NH3, and O2 at 420 °C. Forming gas was used to reduce the background oxygen concentration and to transfer the copper atoms in an ALD chamber prior to the growth initiation of Cu-doped TiNxOy. Such forming gas-mediated Cu-doping of TiNxOy films had a pronounced effect on their resistivity, which dropped from 484 ± 8 to 202 ± 4 μΩ cm, and also on the resistance temperature coefficient (TCR), which decreased from 1000 to 150 ppm °C–1. We explored physical mechanisms causing this reduction by performing comparative analysis of atomic force microscopy, X-ray photoemission spectroscopy, X-ray diffraction, optical spectra, low-temperature transport, and Hall measurement data for the samples grown with and without forming gas doping. The difference in the oxygen concentration between the films did not exceed 6%. Copper segregated to the TiNxOy surface where its concentration reached 0.72%, but its penetration depth was less than 10 nm. Pronounced effects of the copper doping by forming gas included the TiNxOy film crystallite average size decrease from 57–59 to 32–34 nm, considerably finer surface granularity, electron concentration increase from 2.2(3) × 1022 to 3.5(1) × 1022 cm–3, and the electron mobility improvement from 0.56(4) to 0.92(2) cm2 V–1 s–1. The DC resistivity versus temperature R(T) measurements from 4.2 to 300 K showed a Cu-induced phase transition from a disordered to semimetallic state. The resistivity of Cu-doped TiNxOy films decreased with the temperature increase at low temperatures and reached the minimum near T = 50 K revealing signatures of the quantum interference effects similar to 2D Cu thin films, and then, semimetallic behavior was observed at higher temperatures. In TiNxOy films grown without forming gas, the resistivity decreased with the temperature increase as R(T) = – 1.88T0.6 + 604 μΩ cm with no semimetallic behavior observed. The medium range resistivity and low TCR of Cu-doped TiNxOy make this material an attractive choice for improved matching resistors in RF analog circuits and Si complementary metal–oxide–semiconductor integrated circuits.

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Держатели документа:
KSC SB RAS, Inst Chem & Chem Technol, Fed Res Ctr, Krasnoyarsk 660036, Russia.
KSC SB RAS, Kirensky Inst Phys, Fed Res Ctr, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.
Reshetnev Siberian State Univ Sci & Technol, Krasnoyarsk 660037, Russia.

Доп.точки доступа:
Baron, F. A.; Барон, Филипп Алексеевич; Mikhlin, Yurii L.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Rautskiy, M. V.; Рауцкий, Михаил Владимирович; Tarasov, I. A.; Тарасов, Иван Анатольевич; Volochaev, M. N.; Волочаев, Михаил Николаевич; Shanidze, L. V.; Шанидзе, Лев Викторович; Lukyanenko, A. V.; Лукьяненко, Анна Витальевна; Smolyarova, T. E.; Смолярова, Татьяна Евгеньевна; Konovalov, Stepan O.; Zelenov, Fyodor, V; Tarasov, A. S.; Тарасов, Антон Сергеевич; Volkov, N. V.; Волков, Никита Валентинович; RFBR, Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science [20-42-240013]; Government of the Russian Federation for Creation of World Tier Laboratories [075-15-2019-1886]
}
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19.

    Mechanical activation of fullerene containing soot during extraction of higher and endohedral metallofullerenes / V. I. Elesina, G. N. Churilov, N. G. Vnukova [et al.] // Fuller. Nanotub. Carbon Nanostruct. - 2022. - Vol. 30, Is. 5. - P. 553-558, DOI 10.1080/1536383X.2021.1966421. - Cited References: 33 . - ISSN 1536-383X
   Перевод заглавия: Механоактивация фуллеренсодержащей сажи при экстракции высших и эндоэдральных металлофуллеренов
Кл.слова (ненормированные):
Fullerenes -- endohedral metallofullerenes -- extraction -- enrichment -- titanium chloride
Аннотация: For extraction of higher fullerenes and endohedral metallofullerenes (EMF) with yttrium from fullerene-containing carbon soot (soot) obtained by combined spraying of graphite and yttrium oxide powders in an arc plasma, we developed a device (Extractor*) that provides mechanical activation effects on agents combined with filtration. It has been shown that the soot recovery percentage of a mixture of higher fullerenes and EMF with different solvents (carbon disulfide, o-xylene, pyridine) and the EMF mass fraction in the mixture is significantly higher than in the extraction with a Soxhlet apparatus traditionally used for these purposes. The time spent on the extraction process is reduced significantly. Due to a known reaction with titanium chloride (TiCl4) and removal of a solution of empty fullerenes, subsequent bonding of EMF with yttrium into an insoluble complex directly in the extractor allows the product to be significantly enriched with EMF. In general, we were able to significantly reduce both the duration of extraction of the fullerenes mixture and EMF and the production of EMF separately.

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Держатели документа:
Institute of Engineering Physics and Radio Electronics, Siberian Federal University, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics FRC KSC SB RAS, FSBSI "Federal Research Center "Krasnoyarsk Science Center SB RAS",, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Elesina, V. I.; Елесина, Виктория Игоревна; Churilov, G. N.; Чурилов, Григорий Николаевич; Vnukova, N. G.; Внукова, Наталья Григорьевна; Nikolaev, N. S.; Николаев, Никита Сергеевич; Glushenko, G. A.; Глущенко, Гарий Анатольевич; Isakova, V. G.; Исакова, Виктория Гавриловна
}
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20.

    Cu-doped TiNxOy thin film resistors DC/RF performance and reliability / L. V. Shanidze, A. S. Tarasov, M. V. Rautskiy [et al.] // Appl. Sci. - 2021. - Vol. 11, Is. 16. - Ст. 7498, DOI 10.3390/app11167498. - Cited References: 13. - This research was funded by RFBR, Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science, project code 20-42-240013 and by Grant of the Government of the Russian Federation for Creation ofWorld Tier Laboratories (contract No. 075-15-2019-1886) . - ISSN 2076-3417
   Перевод заглавия: Производительность и надежность тонкопленочных резисторов TiNxOy, легированных медью

РУБ Chemistry, Multidisciplinary + Engineering, Multidisciplinary + Materials Science, Multidisciplinary + Physics, Applied
Рубрики:
GROWTH
Кл.слова (ненормированные):
high-frequency passive components -- high power density -- thin film -- copper doped titanium oxynitride -- non-linear -- resistors -- heterogeneous integration
Аннотация: We fabricated Cu-doped TiNxOy thin film resistors by using atomic layer deposition, optical lithography, dry etching, Ti/Cu/Ti/Au e-beam evaporation and lift-off processes. The results of the measurements of the resistance temperature dependence, non-linearity, S-parameters at 0.01–26 GHz and details of the breakdown mechanism under high-voltage stress are reported. The devices’ sheet resistance is 220 ± 8 Ω/□ (480 ± 20 µΩ*cm); intrinsic resistance temperature coefficient (TCR) is ~400 ppm/°C in the T-range of 10–300 K; and S-parameters versus frequency are flat up to 2 GHz with maximum variation of 10% at 26 GHz. The resistors can sustain power and current densities up to ~5 kW*cm−2 and ~2 MA*cm−2, above which they switch to high-resistance state with the sheet resistance equal to ~200 kΩ/□ (~0.4 Ω*cm) caused by nitrogen and copper desorption from TiNxOy film. The Cu/Ti/TiNxOy contact is prone to ageing due to gradual titanium oxidation while the TiNxOy resistor body is stable. The resistors have strong potential for applications in high-frequency integrated and hybrid circuits that require small-footprint, medium-range resistors of 0.05–10 kΩ, with small TCR and high-power handling capability.

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Держатели документа:
Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Dept Radio Elect, Krasnoyarsk 660041, Russia.
Reshetnev Siberian State Univ Sci & Technol, Inst Space Technol, Krasnoyarsk 660037, Russia.

Доп.точки доступа:
Shanidze, L. V.; Шанидзе, Лев Викторович; Tarasov, A. S.; Тарасов, Антон Сергеевич; Rautskiy, M. V.; Рауцкий, Михаил Владимирович; Zelenov, F. V.; Konovalov, S. O.; Nemtsev, I. V.; Немцев, Иван Васильевич; Voloshin, A. S.; Волошин, Александр Сергеевич; Tarasov, I. A.; Тарасов, Иван Анатольевич; Baron, F. A.; Барон, Филипп Алексеевич; Volkov, N. V.; Волков, Никита Валентинович; RFBR, Krasnoyarsk Territory and Krasnoyarsk Regional Fund of Science [20-42-240013]; Government of the Russian Federation for Creation ofWorld Tier Laboratories [075-15-2019-1886]
}
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