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Nonlinear optical processes in randomized domain structures of strontium tetraborate / Aleksandrovsky A.S., Shakhura I.E., Vyunyshev A.M., Zaitsev A.I., Zamkov A.V. // International Conference "Laser Optics 2008" June 23-28, 2008, St.Petersburg, Russia, p.55

Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Shakhura, I. E.; Vyunishev, A. M.; Вьюнышев, Андрей Михайлович; Zaitsev, A. I.; Зайцев, Александр, Иванович; Zamkov, A. V.; Замков, Анатолий Васильевич
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Spectroscopic studies of the mixed system NdxGd1-xFe3(BO3)4 / E. Chukalina, M. Popova, L. N. Bezmaternykh // 2nd International Conference on Physics of Optical Materials and Devices (ICOM 2009) / International Conference on Physics of Optical Materials and Devices (2nd ; 2009 ; AUG ; 27-30 ; Herceg Novi, Montenegro). - P55

Доп.точки доступа:
Chukalina, E.; Popova, M.; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; International Conference on Physics of Optical Materials and Devices(2nd ; 2009 ; AUG ; 27-30 ; Herceg Novi, Montenegro)
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Luminescence of manganese ions in yttrium aluminium borate / Aleksandrovsky A.S., Gudim I.A., Krylov A.S, Temerov V.E. // 15th International Conference on Luminescence and Optical Spectroscopy of Condensed Matter, Lyon, 2008, p.482

Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Gudim, I. A.; Гудим, Ирина, Анатольевна; Krylov, A. S; Temerov, V. E.
}
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Optical absorption and luminescence of Tm3+ and Yb3+ ions in huntite structure / Malakhovskii A.V., Edelman I.S., Sokolov A.E., Sukhachov A.L., Temerov V.L., Gnatchenko S.L., Kachur I.S., Piryatinskaya V.G., Valiev U.V. // Республиканская конференция «Оптические методы в современной физике», Ташкент, Узбекистан, 2008, с. 33-35

Доп.точки доступа:
Malakhovskii, A. V.; Малаховский, Александр Валентинович; Edelman, I. S.; Эдельман, Ирина Самсоновна; Sokolov, A. Е.; Соколов, Алексей Эдуардович; Sukhachev, A. L.; Сухачев, Александр Леонидович; Temerov, V. L.; Темеров, Владислав Леонидович; Gnatchenko, S. L.; Kachur, I. S.; Piryatinskaya, V. G.; Valiev, U. V.
}
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Backward-wave optical parametric amplification and mirrorless oscillations in negative-index materials / Popov A.K., Myslivets S.A., Shalaev V.M. // APS March Meeting, March 10-14, 2008; New Orleans, Louisiana; Bulletin of the American Physical Society Series II, 2008. - V. 53, № 2, Abstract V28.00002, p.476

Доп.точки доступа:
Popov, A. K.; Попов, Александр Кузьмич; Myslivets, S. A.; Мысливец, Сергей Александрович; Shalaev, V. M.; Шалаев, Владимир Михайлович
}
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Application of DUT-4 MOF structure switching for optical and electrical humidity sensing / A. S. Krylov, S. A. Shipilovskikh, S. N. Krylova [et al.] // Dalton Trans. - 2024. - Vol. 53, Is. 8. - P. 3459-3464, DOI 10.1039/D4DT00038B. - Cited References: 37. - The authors acknowledge the support by the state assignment of the Kirensky Institute of Physics FRC KSC SB RAS, also this work was financially supported by the RFBR (Russian Foundation for Basic Research), project no. 21-52-12018. S. A. S. acknowledges the financial support by the Russian Science Foundation (chemical part, Grant No. 22-73-10069 "Design and application of flexible metal organic frameworks for photonics devices"). V.A.M. acknowledges the Priority 2030 Federal Academic Leadership Program Ivan Sergeev (student in ITMO Univ.) for supporting in IV curve analysis. Raman, FTIR and SEM experiments were performed in the Center for Common Use of the Krasnoyarsk Scientific Center SB RAS (Krasnoyarsk, Russia) . - ISSN 1477-9226. - ISSN 1477-9234
Аннотация: The threshold structural transformation of the DUT-4 metal–organic framework (MOF) from an ordered to distorted phase during exposure to ambient conditions has been revealed. The in situ X-ray diffraction analysis, in situ Raman and FTIR spectroscopy, scanning electron microscopy and synchronous thermal analysis have been used for investigation. The reversible effect of exposure time and humidity on such a phase transition has been confirmed. We also demonstrated that the observed phase transition correlated well with changes in the optical and electronic properties of DUT-4, paving the way to a new family of MOF-based phase change materials for optoelectronic applications.

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Держатели документа:
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia
ITMO University, St. Petersburg, Russia
Siberian Federal University, Krasnoyarsk, Russia
South Ural State University, Chelyabinsk, Russia
Federal Research Center “Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences”, Akademgorodok 50, 660036 Krasnoyarsk, Russia
Institut Jean Lamour, Universite de Lorraine, UMR CNRS 7198, 54011 Nancy, France

Доп.точки доступа:
Krylov, A. S.; Крылов, Александр Сергеевич; Shipilovskikh, S. A.; Krylova, S. N.; Крылова, Светлана Николаевна; Slyusarenko, N. V.; Timofeeva, M.; Kenzhebayeva, Yu. A.; Bachinin, S. V.; Yushina, I. D.; Cherepakhin, A. V.; Черепахин, Александр Владимирович; Shestakov, N. P.; Шестаков, Николай Петрович; Nemtsev, I. V.; Vtyurin, A. N.; Втюрин, Александр Николаевич; Milichko, V. A.
}
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    Two-dimensional hybrid perovskite with high-sensitivity optical thermometry sensors / M. Guan, J. Hao, L. Qiu [et al.] // Inorg. Chem. - 2024. - Vol. 63, Is. 8. - P. 3835-3842, DOI 10.1021/acs.inorgchem.3c04140. - Cited References: 37. - This work was supported by the National Natural Science Foundation of China (Grant Nos. 52072349, 52172162, 12374386, and 11974022). Z.D. acknowledges support from the Fundamental Research Funds for the Central Universities, China University of Geosciences (Wuhan) (No.162301202610), the Natural Science Foundation of Guangdong Province (2022A1515012145), and Shenzhen Science and Technology Program(JCYJ20220530162403007). G.L. acknowledges support from the Natural Science Foundation of Zhejiang Province (LR22E020004). M.M. acknowledges the support from the Ministry of Science and High Education of Russian Federation (Project No. FSRZ-2023-0006) . - ISSN 0020-1669. - ISSN 1520-510X
   Перевод заглавия: Двумерный гибридный перовскит с высокочувствительными датчиками оптической термометрии
Аннотация: Optical thermometry has gained significant attention due to its remarkable sensitivity and noninvasive, rapid response to temperature changes. However, achieving both high absolute and relative temperature sensitivity in two-dimensional perovskites presents a substantial challenge. Here, we propose a novel approach to address this issue by designing and synthesizing a new narrow-band blue light-emitting two-dimensional perovskite named (C8H12NO2)2PbBr4 using a straightforward solution-based method. Under excitation of near-ultraviolet light, (C8H12NO2)2PbBr4 shows an ultranarrow emission band with the full width at half-maximum (FWHM) of only 19 nm. Furthermore, its luminescence property can be efficiently tuned by incorporating energy transfer from host excitons to Mn2+. This energy transfer leads to dual emission, encompassing both blue and orange emissions, with an impressive energy transfer efficiency of 38.3%. Additionally, we investigated the temperature-dependent fluorescence intensity ratio between blue emission of (C8H12NO2)2PbBr4 and orange emission of Mn2+. Remarkably, (C8H12NO2)2PbBr4:Mn2+ exhibited maximum absolute sensitivity and relative sensitivity values of 0.055 K–1 and 3.207% K–1, respectively, within the temperature range of 80–360 K. This work highlights the potential of (C8H12NO2)2PbBr4:Mn2+ as a promising candidate for optical thermometry sensor application. Moreover, our findings provide valuable insights into the design of narrow-band blue light-emitting perovskites, enabling the achievement of single-component dual emission in optical thermometry sensors.

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Держатели документа:
Anhui Key Laboratory of Optoelectric Materials Science and Technology, Key Laboratory of Functional Molecular Solids, Ministry of Education Anhui Normal University, Wuhu 241000, China
Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
Shenzhen Research Institute China University of Geosciences, Shenzhen 518063, China
Zhejiang Institute China University of Geosciences, Hangzhou 311305, China
Department of Materials and Chemical Engineering, Taiyuan University, Taiyuan 030032, China
Department of Physics, Far Eastern State Transport University, Khabarovsk 680021, Russia
Siberian Federal University, Krasnoyarsk 660041, Russia
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Guan, M.; Hao, J.; Qiu, L.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Ning, L.; Dai, Zh.; Li, G.
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Highly-efficiency far-red emission in Cr3+ activated Ca1.8Mg1.2Al2Ge3O12 toward plant precise lighting / Ch. Yang, D. Zheng, X. Zou [et al.] // Adv. Opt. Mater. - 2024. - Ст. 2303235, DOI 10.1002/adom.202303235. - Cited References: 48. - The work was supported by the National Natural Science Foundations of China (No. 12274144), the Guangdong Provincial Special Fund for Modern Agriculture Industry Technology Innovation Teams (No. 2023KJ122), the Key Realm R&D Program of Guangdong Province (No. 2021B0707010003), the Guangdong Provincial Science and Technology Project (No. 2022A1515010229), and the Project of GDUPS (2018) for Prof. Bingfu LEI . - Article in press. - ISSN 2195-1071
Кл.слова (ненормированные):
cationic substitution -- Cr3+-doped phosphor -- far-red emission -- plant lighting
Аннотация: Far-red (FR) region (beyond 700 nm) lighting sources possess special potential for plant lighting. However, it remains a challenge to obtain high-performance Cr3+-doped FR phosphors. This study developed a FR phosphor, Ca1.8Mg1.2Al2Ge3O12:Cr3+ (CMAGG: Cr3+), using the cation substitution strategy. Under 438 nm blue light excitation, the phosphors display FR emission centered at 720 nm with a full width at half maximum (FWHM) of 91 nm. Benefit from the favorable match with the FR phytochrome (Pfr), the phosphor is combined with InGaN blue light chips to create a FR phosphor-converted light-emitting diode (pc-LED), which is used in Italian lettuce growth experiments and it results shown in a 15% increase in fresh weight and a 6.5% increase in dry weight. Notably, supplemental FR light modulated its growth morphology. The results of this study will be useful for further research on novel Cr3+-doped FR phosphors to meet the precise spectral requirements for plant growth.

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Держатели документа:
Key Laboratory for Biobased Materials and Energy of Ministry of Education College of Materials and Energy, South China Agricultural University Guangzhou, Guangdong 510642, P. R. China
SBRAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia
Maoming Branch Guangdong Laboratory for Lingnan Modern Agriculture Maoming, Guangdong 525100, P. R. China

Доп.точки доступа:
Yang, Ch.; Zheng, D.; Zou, X.; Dai, X.; Tang, B.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Zhang, X.; Zhang, H.; Liu, Y.; Lei, B.
}
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    Novel Cr3+-doped garnet phosphor with broadband efficient far-red emission for photochrome matching plant-lighting / X. Dai, X. Zou, H. Zhang [et al.] // Adv. Opt. Mater. - 2024. - Vol. 12, Is. 11. - Ст. 2302380, DOI 10.1002/adom.202302380. - Cited References: 54. - The work was supported by the National Natural Science Foundations of China (No. 12274144), the Guangdong Provincial Special Fund for Modern Agriculture Industry Technology Innovation Teams (No. 2023KJ122), the Key Realm R&D Program of Guangdong Province (No. 2021B0707010003), the Guangdong Provincial Science and Technology Project (No. 2022A1515010229), and the Project of GDUPS (2018) for Prof. Bingfu LEI . - ISSN 2195-1071
   Перевод заглавия: Новый гранатовый люминофор, легированный Cr3+, с широкополосным эффективным излучением в дальнем красном диапазоне для фотохромного освещения растений
Кл.слова (ненормированные):
Ca2YAl3–xGe2O12:xCr3+ -- garnets -- plant growth LEDs -- pc-LEDs -- photoluminescence
Аннотация: Cr3+-doped phosphors are highly recognized in various fields for their remarkable luminous efficiency and spectral flexibility, including modern agriculture and horticulture. However, the shortage of suitable Cr3+-doped phosphors for far-red LED devices has inhibited their popularization in plant lighting. Herein, an innovative Cr3+-doped phosphor Ca2YAl3Ge2O12:Cr3+ (CYAG:Cr3+), achieving a broad far-red emission at 770 nm upon 450 nm blue light excitation is designed. The optimal CYAG:Cr3+ phosphor exhibits a high internal quantum yield of 78.2% and low thermal-quenching behavior of 85%@373 K. Thus, the fabricated phosphor-converted LEDs (pc-LEDs) for plant far-red lighting have a high output power of 33.3 mW and photovoltaic conversion efficiency of 11.5% at 100 mA. The potential of CYAG:Cr3+ in plant lighting is assessed by supplementing the far-red lighting of Italian lettuce with fabricated pc-LEDs, and the biomass of Italian lettuce is significantly increased by 33%. The successful development of CYAG:Cr3+ phosphors provides a high-quality option for plant far-red light devices and further stimulates the development of new Cr3+-doped plant-lighting phosphors.

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Держатели документа:
Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangdong, Guangzhou, 510642, China
Maoming Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Guangdong, Maoming, 25100, China
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk, 660036, Russian Federation
The State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, School of Physics and Optoelectronics, South China University of Technology, Guangzhou, 510641, China

Доп.точки доступа:
Dai, X.; Zou, X.; Zhang, H.; Chen, W.; Yang, C.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Xia, Z.; Liu, Y.; Zhang, X.; Zheng, M.; Lei, B.
}
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10.

Absorption spectra of the purple nonsulfur bacteria light-harvesting complex: A DFT study of the B800 part / L. V. Begunovich, E. A. Kovaleva, M. M. Korshunov, V. F. Shabanov // J. Photochem. Photobiol. A: Chem. - 2024. - Vol. 450. - Ст. 115454, DOI 10.1016/j.jphotochem.2023.115454. - Cited References: 42. - This work was supported by the state assignment of the Ministry of Science and Higher Education of the Russian Federation. Authors would like to thank Information Technology Centre, Novosibirsk State University for providing access to their supercomputers. L.V.B. would like to thank Irkutsk Supercomputer Center of SB RAS for providing the access to HPC-cluster «Akademik V.M. Matrosov» (Irkutsk Supercomputer Center of SB RAS, Irkutsk: ISDCT SB RAS; http://hpc.icc.ru, accessed 20.10.2023) . - ISSN 1010-6030. - ISSN 1873-2666
Кл.слова (ненормированные):
Photosynthesis -- LH2 -- Light harvesting -- Rhodoblastus acidophilus -- Bacteriochlorophyll -- DFT -- DFTB -- Optical spectra
Аннотация: We’ve studied the B800 part of Rhodoblastus acidophilus light-harvesting complex (LH2) by several quantum chemical techniques based on the density functional theory (DFT) and determined the specific method and a minimal reliable model suitable for further studies of the LH2. In addition to bacteriochlorophyll a molecules, the minimal model includes two α and one β chain amino acids. Within the model, we are able to reproduce the contribution of the B800 ring of nine bacteriochlorophyll a molecules to the near infrared Qy absorption band. We also discuss the use of hybrid DFT calculations for precise energy and optical estimations and DFT-based tight binding (DFTB) method for the large-scale calculations. Crucial importance of Hartree-Fock exchange interaction for the correct description of B800 peak position was shown.

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Держатели документа:
Federal Research Center KSC SB RAS, Krasnoyarsk, Russia
Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk, Russia

Доп.точки доступа:
Begunovich, L. V.; Kovaleva, E. A.; Korshunov, M. M.; Коршунов, Максим Михайлович; Shabanov, V. F.; Шабанов, Василий Филиппович
}
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