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A Challenge toward novel quaternary sulfides SrLnCuS3 (Ln = La, Nd, Tm): Unraveling synthetic pathways, structures and properties / A. V. Ruseikina, M. V. Grigoriev, L. A. Solovyov [et al.] // Int. J. Mol. Sci. - 2022. - Vol. 23, Is. 20. - Ст. 12438, DOI 10.3390/ijms232012438. - Cited References: 62. - The research was funded by the Tyumen Oblast Government, as part of the West-Siberian Interregional Science and Education Center’s project No. 89-DON (3). This work was supported by state assignment of the Ministry of Science and Higher Education of the Russian Federation (Project Reg. No. 720000Φ.99.1.Б385AA13000) . - ISSN 1422-0067
Кл.слова (ненормированные):
inorganic materials -- quaternary sulfide -- synthesis -- crystal structure -- ab initio calculations -- magnetic measurements -- spectroscopy
Аннотация: We report on the novel heterometallic quaternary sulfides SrLnCuS3 (Ln = La, Nd, Tm), obtained as both single crystals and powdered samples. The structures of both the single crystal and powdered samples of SrLaCuS3 and SrNdCuS3 belong to the orthorhombic space group Pnma but are of different structural types, while both samples of SrTmCuS3 crystallize in the orthorhombic space group Cmcm with the structural type KZrCuS3. Three-dimensional crystal structures of SrLaCuS3 and SrNdCuS3 are formed from the (Sr/Ln)S7 capped trigonal prisms and CuS4 tetrahedra. In SrLaCuS3, alternating 2D layers are stacked, while the main backbone of the structure of SrNdCuS3 is a polymeric 3D framework [(Sr/Ln)S7]n, strengthened by 1D polymeric chains (CuS4)n with 1D channels, filled by the other Sr2+/Ln3+ cations, which, in turn, form 1D dimeric ribbons. A 3D crystal structure of SrTmCuS3 is constructed from the SrS6 trigonal prisms, TmS6 octahedra and CuS4 tetrahedra. The latter two polyhedra are packed together into 2D layers, which are separated by 1D chains (SrS6)n and 1D free channels. In both crystal structures of SrLaCuS3 obtained in this work, the crystallographic positions of strontium and lanthanum were partially mixed, while only in the structure of SrNdCuS3, solved from the powder X-ray diffraction data, were the crystallographic positions of strontium and neodymium partially mixed. Band gaps of SrLnCuS3 (Ln = La, Nd, Tm) were found to be 1.86, 1.94 and 2.57 eV, respectively. Both SrNdCuS3 and SrTmCuS3 were found to be paramagnetic at 20-300 K, with the experimental magnetic characteristics being in good agreement with the corresponding calculated parameters.

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Держатели документа:
Laboratory of Theory and Optimization of Chemical and Technological Processes, University of Tyumen, Tyumen, 625003, Russian Federation
Federal Research Center KSC SB RAS, Institute of Chemistry and Chemical Technology, Krasnoyarsk, 660036, Russian Federation
Institute of Natural Sciences and Mathematics, Ural Federal University named after the First President of Russia B.N. Yeltsin, Mira Str. 19, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, 660036, Russian Federation
Department of Photonics and Laser Technology, Siberian Federal University, Krasnoyarsk, 660079, Russian Federation
Institute of Physics and Technology, University of Tyumen, Volodarskogo Str. 6, Tyumen, 625003, Russian Federation
Institute of Inorganic Chemistry, University of Stuttgart, Stuttgart, D-70569, Germany
Scientific and Educational and Innovation Center for Chemical and Pharmaceutical Technologies, Ural Federal University named after the First President of Russia B.N. Yeltsin, Mira Str. 19, Russian Federation
«Advanced Materials for Industry and Biomedicine» Laboratory, Kurgan State University, Sovetskaya Str. 63/4, Kurgan, 640020, Russian Federation
University of Tyumen, Volodarskogo Str. 6, Tyumen, 625003, Russian Federation

Доп.точки доступа:
Ruseikina, A. V.; Grigoriev, M. V.; Solovyov, L. A.; Chernyshev, V. A.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Krylova, S. N.; Крылова, Светлана Николаевна; Shestakov, N. P.; Шестаков, Николай Петрович; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Garmonov, A. A.; Matigorov, A. V.; Eberle, M. A.; Schleid, T.; Safin, D. A.
}
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A high-selectivity waveguide bandpass filter with interference suppression by more than 120 dB in rejection band / B. A. Belyaev, A. M. Serzhantov, An. A. Leksikov [et al.] // Tech. Phys. Lett. - 2023. - Vol. 49, Is. 5. - P. 72-76, DOI 10.21883/TPL.2023.05.56034.19541. - Cited References: 10. - This study was carried out under agreement No. 470 dated August 30, 2022, between the Kirensky Institute of Physics (Siberian Branch, Russian Academy of Sciences), the Regional Science Foundation, and ”AO ”NPP ”Radiosvyaz“ as part of a competitive tender of research-andengineering and innovative projects for the first climatological research and education center ”Yenisey Siberia“ . - ISSN 1063-7850. - ISSN 1090-6533
Кл.слова (ненормированные):
bandpass filter -- waveguide -- resonator -- cross-coupling
Аннотация: The design of a 10th-order waveguide bandpass filter with an additional inductive cross-coupling between non-adjacent resonators has been proposed and studied. An inductive coupling is formed by a U-shaped conductor structure with grounded ends that is formed in the filter cover. This method of cross-coupling organization ensures not only the temperature stability of the characteristics, but also the manufacturability of the structure. The high selectivity of the device is achieved by both the attenuation poles located near the passband, as well as the level of suppression in the stopbands, exceeding 120 dB. The passband loss of the fabricated filter is ~ 0.8 dB at its central frequency f0=18.2 GHz and relative bandwidth Δf/f0=1.5%. The small dimensions (135 x 30 x 10 mm) and the weight of about 200 g of the device, with simultaneously high electrical characteristics show the promise of its use, for example, in on-board and ground-based space communication systems.

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Публикация на русском языке Высокоселективный волноводный полосно-пропускающий фильтр с уровнем подавления помех более 120 dB [Текст] / Б. А. Беляев, А. М. Сержантов, Ан. А. Лексиков [и др.]. - 6 с. // Письма в ЖТФ. - 2023. - Т. 49 Вып. 10. - С. 33-38

Держатели документа:
Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russia
Siberian Federal University, Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, Krasnoyarsk, Russia

Доп.точки доступа:
Belyaev, B. A.; Беляев, Борис Афанасьевич; Serzhantov, A. M.; Сержантов, Алексей Михайлович; Leksikov, An. A.; Лексиков, Андрей Александрович; Bal'va, Ya. F.; Бальва, Ярослав Федорович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Galeev, R. G
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    Absorption spectra of PrF3 crystal / A. A. Ershov [и др.] // The Second Rus.-China Workshop on Dielectic and Ferroel. Mater. : program. - 2015. - Ст. P6.3. - P. 82
   Перевод заглавия: Спектры поглощения кристалла PrF3

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Доп.точки доступа:
Ershov, A. A.; Ершов, Александр Андреевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Shestakov, N. P.; Шестаков, Николай Петрович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Vtyurin, A. N.; Втюрин, Александр Николаевич; Russia-China workshop on dielectric and ferroelectric materials(2 ; 2015 ; sept. ; 11 - 14 ; Voronezh); Российская академия наук; Воронежский государственный технический университет
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Tsipotan, A.
Alteration of the aggregation stability of quantum dots by irradiation / A. Tsipotan, A. Aleksandrovsky, V. Slabko // AIP Conf. Proc. - 2017. - Vol. 1874. - Ст. 040053, DOI 10.1063/1.4998126. - Cited References: 11
Аннотация: The influence of weak irradiation on the aggregation stability of quantum dots is considered. It was shown that under combined UV and visible light irradiation, a gradual increase in spontaneous aggregation takes place, testifying decrease in stabilizing potential barrier height. Thereby, the laser-induced controllable self-assembly of CdTe QDs is recommended to be performed over a time period between 80 and 100 min after the beginning of low intensity irradiation under conditions equivalent to those applied in this study.

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Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Slabko, V.; International Conference on Metamaterials and Nanophotonics(2017 ; 18 - 22 Sept. ; Vladivostok)
}
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Aptamer-targeted plasmonic photothermal therapy of cancer / O. S. Kolovskaya [et al.] // Mol. Ther. Nucl. Acids. - 2017. - Vol. 9. - P. 12-21, DOI 10.1016/j.omtn.2017.08.007. - Cited References: 8. - We thank Mr. Yousef Risha for improving the use of English in the manuscript and Mr. George Y. Vorogeikin, Mr. Yuri I. Vorogeikin, and “OKB ART” for the infrared imaging. This research is supported by Ministry of Education and Science Federal Target Program #14.607.21.0104 (RFMEFI60714X0104). . - ISSN 2162-2131
Аннотация: Novel nanoscale bioconjugates combining unique plasmonic photothermal properties of gold nanoparticles (AuNPs) with targeted delivery using cell-specific DNA aptamers have a tremendous potential for medical diagnostics and therapy of many cell-based diseases. In this study, we demonstrate the high anti-cancer activity of aptamer-conjugated, 37-nm spherical gold nanoparticles toward Ehrlich carcinoma in tumor-bearing mice after photothermal treatment. The synthetic anti-tumor aptamers bring the nanoparticles precisely to the desired cells and selectively eliminate cancer cells after the subsequent laser treatment. To prove tumor eradication, we used positron emission tomography (PET) utilizing radioactive glucose and computer tomography, followed by histological analysis of cancer tissue. Three injections of aptamer-conjugated AuNPs and 5 min of laser irradiations are enough to make the tumor undetectable by PET. Histological analysis proves PET results and shows lower damage of healthy tissue in addition to a higher treatment efficiency and selectivity of the gold nanoparticles functionalized with aptamers in comparison to control experiments using free unconjugated nanoparticles.

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Держатели документа:
Krasnoyarsk State Medical University named after Professor V.F. Voyno-Yasenetskii, Krasnoyarsk, Russian Federation
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
The Federal State-Financed Institution “Federal Siberian Research Clinical Centre under the Federal Medical Biological Agency”, Krasnoyarsk, Russian Federation
Siberian Federal University, Krasnoyarsk, Russian Federation
University of Ottawa, Department of Chemistry and Biomolecular Sciences, Ottawa, ON, Canada

Доп.точки доступа:
Kolovskaya, O. S.; Коловская, О. С.; Zamay, T. N.; Замай, Т. Н.; Belyanina, I. V.; Karlova, E. A.; Garanzha, I. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Kirichenko, A. K.; Dubinina, A. V.; Дубинина, А. В.; Sokolov, A. Е.; Соколов, Алексей Эдуардович; Zamay, G. S.; Замай, Г. С.; Glazyrin, Y. E.; Глазырин, Ю. Е.; Zamay, S. S.; Замай, С. С.; Ivanchenko, T. I.; Chanchikova, N. G.; Tokarev, N. A.; Shepelevich, N. V.; Ozerskaya, A.V.; Bardin, E.; Belugin, K.; Belkin, S. A.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Gargaun, A.; Berezovski, M. V.; Kichkailo, A.S.; Кичкайло, Анна Сергеевна
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Broadband frequency conversion in random nonlinear photonic crystals / A. S. Aleksandrovsky [et al.] // Laser Optics 2012. - 2012. - Ст. WeR1-p69. - P. 42

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Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Zaitsev, A. I.; Зайцев, Александр Иванович; Pospelov, G. I.; Поспелов Г.И.; Rovsky, V. E.; Ровский В.Е.; Slabko, V. V.; Слабко, Виталий Васильевич; "Laser Optics", International conference (15 ; 2012 ; June ; 25-29 ; St. Petersburg); "Оптика лазеров", Международная конференция (15 ; 2012 ; июнь ; 25-29 ; Санкт-Петербург)
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Broadband pulse conversion in 1d disordered nonlinear photonic crystals [Текст] / A. M. Vyunishev [и др.] // WE-Heraeus-Seminar: "Light in Disordered Photonic Media", 546. - 2013

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Slabko, V. V.; Слабко, Виталий Васильевич; "Light in Disordered Photonic Media", 546. WE-Heraeus-Seminar (546 ; 2013 ; 2-4 dec ; Bad Honnef, Germany)
}
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Brownian dynamics of the self-assembly of complex nanostructures in the field of quasi-resonant laser radiation / V. S. Kornienko [et al.] // Photonics Nanostruc. Fundam. Appl. - 2019. - Vol. 35. - Ст. 100707, DOI 10.1016/j.photonics.2019.100707. - Cited References: 32. - The reported study was funded by Russian Science Foundation (Grant 18-72-00003 ). V.V. Slabko is grateful for the support from the Ministry of Education and Science of the Russian Federation (Grant 3.6341.2017/VU ). . - ISSN 1569-4410
Кл.слова (ненормированные):
Dipole-dipole interaction -- Laser field -- Brownian dynamics -- Self-assembly of nanostructures -- Colloidal crystals
Аннотация: Self-assembly of nanoparticles under the action of laser field can be an universal method for the formation of nanostructures with specific properties for application in sensorics and nanophotonics. For prognosis of the self-assembly processes, the model of movement of an ensemble of nanoparticles in a viscous media under the action of laser radiation with the account for interaction of laser-induced polarizations and Brownian dynamics is developed. This model is applied to the investigation of the self-assembly process of a triple of nanoparticles into three-particle structure with a predetermined geometry.Two specific cases of formation of nanostructure from a preliminarily formed pair of particles are studied: either for the pair fixed in space or from the unfixed pair of nanoparticles. The geometry of resulting nanostructures is shown to be determined by the polarization direction of laser radiation and the laser wavelength. Under proper choice of these parameters the formation of structures is shown to be highly efficient. E. g., maximum probability of structures formation is as hig as 36–46% per single laser pulse of 10 ns duration. © 2019 Elsevier B.V.

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Держатели документа:
Siberian Federal University, Krasnoyarsk, Russian Federation
Department of Computational Mathematics, Institute of Computational Modeling of Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation
Laboratory of Coherent Optics, Kirensky Institute of Physics Federal Research Center KSC SB RAS, Krasnoyarsk, Russian Federation

Доп.точки доступа:
Kornienko, V. S.; Tsipotan, A. S.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Slabko, V. V.
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    Cerenkov nonlinear diffraction of femtosecond pulses / A. M. Vyunishev [et al.] // J. Opt. Soc. Am. B. - 2013. - Vol. 30, Is. 7. - P. 2014-2021, DOI 10.1364/JOSAB.30.002014. - Cited References: 43. - The work was partially supported by the Grant of the President of the Russian Federation MK-250.2013.2, by RFBR through Grant No. 12-02-31167, by the Ministry of Education and Science of the Russian Federation (Contract No. 14.B37.21.0730), by Krasnoyarsk Regional Fund of Science and Technical Activity Support, by PSB RAS Project 2.5.2, and by SFU Grant F12. . - ISSN 0740-3224
   Перевод заглавия: Черенковская нелинейная дифракция фемтосекундных импульсов

РУБ Optics
Рубрики:
STRONTIUM BARIUM NIOBATE
   2ND-HARMONIC GENERATION
   PHOTONIC CRYSTAL
   DOMAIN-WALLS
   MODULATION
Аннотация: Cerenkov nonlinear diffraction of femtosecond pulses in one-dimensional nonlinear photonic crystal of strontium tetraborate was studied theoretically and experimentally in both frequency and time domains. Spectral features of second harmonic radiation were measured in the course of mapping the nonlinear photonic crystal structure. The local second harmonic spectrum demonstrates complex angular behavior within the beam cross section. The spectral width of the second harmonic radiation is found to be fundamental beam size-dependent, and optimal focusing should be used for exact conversion of the fundamental spectrum into the second harmonic one. Experimental results are in excellent agreement with calculations. Maximum second harmonic generation efficiency was up to 2.1% at pumping by a femtosecond oscillator. (C) 2013 Optical Society of America

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Держатели документа:
LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
Siberian Fed Univ, Krasnoyarsk 660079, Russia

Доп.точки доступа:
Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Slabko, V. V.; Слабко, Виталий Васильевич
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10.

Cerenkov nonlinear diffraction of femtosecond pulses in random nonlinear photonic crystal / A. M. Vyunishev [et al.] // Third Russia-Taiwan School-Seminar on Nonlinear Optics and Photonics : Program and Book of Abstracts. - 2013. - Ст. S1-11-O30. - P. 20

Доп.точки доступа:
Vyunishev, A. M.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Zaitsev, A. I.; Зайцев, Александр Иванович; Slabko, V. V.; Слабко, Виталий Васильевич; Russia-Taiwan School-Seminar on Nonlinear Optics and Photonics (3 ; 2013 ; Jun. ; 14-18 ; Владимир / Суздаль)
}
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