Zobrazeno 1 - 10 of 80 pro vyhledávání: '"Vladimir S. Lobkov"'
1
Dependence of the Operational Characteristics of a Luminescent Temperature Probe Based on a Vitrified Film of a Europium(III) β-Diketonate Complex on the Fixing Technology
Autor: R. M. Ziyatdinova, Dmitry V. Lapaev, A. A. Knyazev, Victor G. Nikiforov, Vladimir S. Lobkov, Yu. G. Galyametdinov
Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 84:1444-1447
Based on the luminescence spectroscopy data, it was shown that the method of fixing (between two plates of quartz, quartz and brass, quartz and silicon) a vitrified film prepared from a powder of an anisometric europium(III) β-diketonate complex doe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b2b2f7b4ee10f8ca0eccc435b46d871d
https://doi.org/10.3103/s1062873820120230
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2
YVO4:Yb,Er Upconversion Nanoparticles for Biovisualization: A Biocompatible Probe in Grape Snails
Autor: Vladimir S. Lobkov, Kh. L. Gainutdinov, Victor G. Nikiforov, A. V. Leontyev, D. K. Zharkov, Masfer Alkahtani, Philip R. Hemmer, L. N. Muranova, V. V. Andrianov, A. G. Shmelev
Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 84:1439-1443
YVO4:Yb,Er upconversion nanoparticles (UCNPs) are synthesized to study the possibility of using them as nanoprobes to solve biological problems. Aqueous colloidal solutions of UCNPs are injected into the bodies of grape snails. When preparations from
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02aed2740d848b1394781296545d30fb
https://doi.org/10.3103/s1062873820120357
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3
Effect of the Conditions of Synthesis on the Luminescent Properties of Upconversion Nanoparticles YVO4:Yb,Er
Autor: A. V. Leontyev, Vladimir S. Lobkov, Masfer Alkahtani, Victor G. Nikiforov, Philip R. Hemmer, A. G. Shmelev, N. V. Kurbatova, D. K. Zharkov
Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 84:1486-1490
Nanoparticles of YVO4 doped with Yb3+ and Er3+ ions, which exhibit upconversion luminescence upon cw laser excitation at 980 nm, are synthesized according to the familiar hydrothermal procedure. Physical and structural features of intermediate produc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::562cce8dd7478f5e23ae4f43f0a6280e
https://doi.org/10.3103/s1062873820120400
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4
Effect of Nonradiative Transitions on the Upconversion Properties of YVO4:Yb, Er Nanoparticles
Autor: Vladimir S. Lobkov, A. G. Shmelev, D. K. Zharkov, A. V. Leontyev, Philip R. Hemmer, Masfer Alkahtani, Victor G. Nikiforov
Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 84:241-244
The results from a comparative analysis of the emission spectra of upconversion YVO4:Yb, Er nanoparticles synthesized in sizes ranging from 10 nm to 1 μm are used to discuss the contribution from high-energy oscillators on the surfaces of nanopartic
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c4dafac5b6030645eda0b1f0c51db476
https://doi.org/10.3103/s1062873820030260
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5
A vitrified film of an anisometric europium(iii) β-diketonate complex with a low melting point as a reusable luminescent temperature probe with excellent sensitivity in the range of 270–370 K
Autor: Ruzanna M. Ziyatdinova, Yury G. Galyametdinov, Vladimir S. Lobkov, Dmitry V. Lapaev, Andrey A. Knyazev, Victor G. Nikiforov
Publikováno v: Journal of Materials Chemistry C. 8:6273-6280
A novel temperature probe with −1.0% K−1 mean relative and −5.4 μs K−1 mean absolute sensitivity of the luminescence decay time in the range of 270–370 K is presented. The probe is a 20 μm thick vitrified film (sandwiched between two quar
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1ea5b9585b3ed0c9c852ae7219e6b46d
https://doi.org/10.1039/d0tc00625d
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7
Generation of the Second Harmonic in Metacrylic Polymer Electret Films Doped with Organic Chromophores
Autor: A. Sh. Mukhtarov, A.V. Leontyev, Alexey A. Kalinin, D. K. Zharkov, M. Yu. Balakina, Liliya N. Islamova, Victor G. Nikiforov, G. M. Fazleeva, Vladimir S. Lobkov, A. G. Shmelev, Tatyana A. Vakhonina
Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 83:1480-1483
Using amplified femtosecond pulses at a wavelength of 1028 nm, the second harmonic is generated at a wavelength of 514 nm by composite polymer films containing D-π-A (push–pull) chromophores with quadratic optical nonlinearity. It is shown that th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::18aa2e2734f4689ad411cc4a1f928b1c
https://doi.org/10.3103/s1062873819120268
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8
New Highly Sensitive Film Sensors Based on Mesogenic Lanthanide(III) Beta-Diketonate Complexes for Reusable Luminescent Thermometers
Autor: Yu. G. Galyametdinov, Dmitry V. Lapaev, A. A. Knyazev, Vladimir S. Lobkov, Victor G. Nikiforov
Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 83:1475-1479
A new approach to the creation of photostable highly sensitive sensor elements for reusable luminescent thermometers based on vitrified films of mesogenic europium(III) and terbium(III) beta-diketonate complexes that are oxygen insensitive, effective
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::64bd70f0ee9643c92344da92927d0b08
https://doi.org/10.3103/s1062873819120128
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9
Analyzing the Signal of the Ultrafast Optical Kerr Effect by Considering the Correlation between the Rotational Responses of Molecules in a Liquid
Autor: A. G. Shmelev, D. K. Zharkov, Vladimir S. Lobkov, Victor G. Nikiforov, A. V. Leontyev
Publikováno v: Bulletin of the Russian Academy of Sciences: Physics. 83:370-373
The signal of the ultrafast optical Kerr effect (OKE) in liquids, including toluene C7H8, nitrobenzene C6H5NO2, and acetonitrile C2H3N is analyzed. It is shown that considering the correlation between the orientational and librational responses allow
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7a4c6e5ce0b9c5264889bdb0cbc47955
https://doi.org/10.3103/s1062873819030353
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10
A New Strategy to Design Photostable Luminescent Materials Based on Lanthanide(III) β-Diketonate Complexes for Advanced Photonic Applications
Autor: Yu. G. Galyametdinov, Dmitry V. Lapaev, Vladimir S. Lobkov, Victor G. Nikiforov, A. A. Knyazev
Publikováno v: Optics and Spectroscopy. 126:34-40
An analysis of the prospects for creating new luminescent molecular photonics materials based on mesogenic lanthanide(III) β-diketonate complexes is presented. We consider vitrified films that combine intense monochromatic luminescence, high optical
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23ed8658c10f0f3178c9fb2200563c0f
https://doi.org/10.1134/s0030400x19010090
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