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1.


   
    Luminescence spectra of Ho3+ in distorted parity-breaking HoF63− octahedra / A. S. Aleksandrovsky [et al.] // J. Lumines. - 2012. - Vol. 132, No. 3. - P. 690-692, DOI 10.1016/j.jlumin.2011.11.005. - The work has been supported by Ministry of Education and Science of Russian Federation (Contract 16.740.11.0150), by Russian Foundation for Basic Research (Grant no. 11-02-98002-r-sibir-a), by Grant of President of Russian Federation for support of leading scientific schools No. SS-4645.2010.2, Grant No. RNP.21.1.3455, Project 3.9.1 of PSB RAS, and Projects No. 21.1 and No. 5 of SB RAS. . - ISSN 0022-2313
   Перевод заглавия: Спектры люминесценции Но3+ в искаженных октаэдрах HoF6 3-, нарушающих четность
РУБ Optics

Кл.слова (ненормированные):
Distorted octahedra -- Holmium -- Luminescence -- Monoclinic crystals
Аннотация: Low temperature luminescence spectrum of holmium ions in monoclinic Rb2KHoF6 crystal was found to be well analyzable by the comparison with earlier studied cubic Cs2NaHoF6. The manifestation of the local symmetry influence on the strength of individual lines is found to be distinctive. In the absence of structural data, the local symmetry of holmium in Rb2KHoF6 is proved to be a non-centrosymmetric one. The concentration quenching of holmium luminescence in Rb2KHoF6 is found to be rather modest.

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Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Malakhovskii, A. V.; Малаховский, Александр Валентинович; Voronov, V. N.; Воронов, Владимир Николаевич
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2.


   
    Luminescence spectra of Ho3+ in a monoclinic elpasolite / A. S. Aleksandrovsky [и др.] // Комбинационное рассеяние – 85 лет исследований. Спектроскопия комбинационного рассеяния света : Тезисы докл. - Красноярск : ИФ СО РАН, 2013. - С. 13
   Перевод заглавия: Спектр люминесценции Ho3+ в моноклинном эльпасолите


Доп.точки доступа:
Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Malakhovskii, A. V.; Малаховский, Александр Валентинович; Voronov, V. N.; Воронов, Владимир Николаевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Российская академия наук; Научный совет по физике конденсированных сред РАН; Научный совет по спектроскопии атомов и молекул РАН; Сибирское отделение РАН; Объединенный ученый совет по физическим наукам СО РАН; Институт физики им. Л.В. Киренского Сибирского отделения РАН
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3.


   
    Quality of the rare earth aluminum borate crystals for laser applications, probed by high-resolution spectroscopy of the Yb3+ ion / K. N. Boldyrev [et al.] // Opt. Mater. - 2012. - Vol. 34, Is. 11. - P. 1885-1889, DOI 10.1016/j.optmat.2012.05.021. - Cited References: 20. - This work was supported by the Russian Academy of Sciences under the Programs for Basic Research, the Russian Foundation for Basic research under Grants No 10-02-01071-a and No 09-02-00171-a, and by the Ministry of Education and Science under Grant HIII-4828.2012.2. . - ISSN 0925-3467
РУБ Materials Science, Multidisciplinary + Optics
Рубрики:
GROWTH
   Y1-XYBXAL3(BO3)4

   LUMINESCENCE

   FREQUENCY

   CENTERS

Кл.слова (ненормированные):
Ytterbium -- Aluminum borates -- Impurities -- High-resolution spectroscopy -- UV edge
Аннотация: A comparative study was performed of the low-temperature high-resolution absorption spectra of the Yb3+ probe in R1−xYbxAl3(BO3)4 (R = Y, Tm, Lu) crystals grown by flux technique independently in four different laboratories using different solvents. We show that the incorporation of solvent components into the crystal in the course of crystallization gives rise to spectral satellites of the Yb3+ 0(2F7/2) → 0′(2F5/2) absorption lines and assign particular satellites to the Yb3+ centers near the bismuth and molybdenum impurities (which decrease the transparency of YAB in the UV spectral range). We suggest this spectroscopic method for a rapid analysis of the quality of UV laser crystals and for improvement of growth technologies.

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Держатели документа:
[Boldyrev, K. N.
Popova, M. N.] RAS, Inst Spect, Troitsk 142190, Moscow Region, Russia
[Bettinelli, M.] Univ Verona, Dept Biotechnol, I-37134 Verona, Italy
[Bettinelli, M.] UdR Verona, INSTM, I-37134 Verona, Italy
[Temerov, V. L.
Gudim, I. A.
Bezmaternykh, L. N.] RAS, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
[Loiseau, P.
Aka, G.] ENSCP, CNRS, LCMCP, UMR 7574, F-75005 Paris, France
[Leonyuk, N. I.] Moscow MV Lomonosov State Univ, Fac Geol, Moscow 119899, Russia

Доп.точки доступа:
Boldyrev, K. N.; Popova, M. N.; Bettinelli, M.; Temerov, V. L.; Темеров, Владислав Леонидович; Gudim, Irina A.; Гудим, Ирина Анатольевна; Bezmaternykh, L. N.; Безматерных, Леонард Николаевич; Loiseau, P.; Aka, G.; Leonyuk, N. I.
}
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4.


   
    Structural and luminescence properties of yellow-emitting NaScSi 2O6:Eu2+ phosphors: Eu2+ Site preference analysis and generation of red emission by codoping Mn2+ for white-light-emitting diode applications / Z. Xia [et al.] // J. Phys. Chem. C. - 2013. - Vol. 117, Is. 40. - P. 20847-20854DOI 10.1021/jp4062225. - Cover image: Artwork representing main idea of this article
Аннотация: The structural properties of clinopyroxene NaScSi2O6 have been investigated using the X-ray powder diffraction refinement, and the luminescence properties of Eu2+ and Eu2+/Mn 2+-activated NaScSi2O6 have been studied to explore the new materials for phosphor-converted white light ultraviolet light-emitting diodes (UV-LEDs). Eu2+ was introduced into the NaScSi2O6 host in the reducing atmosphere, and the preferred crystallographic positions of the Eu2+ ions were determined based on the different structural models of the NaScSi2O6 host. The as-obtained NaScSi2O6:Eu2+ phosphor shows greenish yellow emission with the broad-band peak at 533 nm, and efficient energy transfer (ET) takes place between Eu2+ and Mn2+ in NaScSi2O6, leading to a series of color-tunable phosphors emitting at 533 and 654 nm for the designed NaScSi2O 6:Eu2+,Mn2+ phosphors under excitation at 365 nm. The ET mechanism of Eu2+ and Mn2+ has also been evaluated. We have demonstrated that NaScSi2O6:Eu 2+ and NaScSi2O6:Eu2+,Mn 2+ materials exhibit great potential to act as the effective phosphors for UV-LEDs. В© 2013 American Chemical Society.

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Держатели документа:
China Univ Geosci, Sch Mat Sci & Technol, Beijing 100083, Peoples R China
SB RAS, Kirensky Inst Phys, Lab Crystal Phys, Krasnoyarsk 660036, Russia
SB RAS, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090, Russia

Доп.точки доступа:
Xia, Zhiguo; Zhang, Y.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Atuchin, V. V.
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5.


   
    Spectroscopic properties of ErAl3(BO3)4 single crystal / A. V. Malakhovskii [et al.] // Chem. Phys. - 2014. - Vol. 428. - P. 137–143, DOI 10.1016/j.chemphys.2013.11.008. - Cited References: 43. - The work was supported by the Russian Foundation for Basic Researches grant 12-02-00026, by the Russian President Grants SS-1044.2012.2 and 4828.2012.2, by project No 3.9.5 PSB RAS, and by the Ministry of Education and Science of Russian Federation grant 8365 . - ISSN 0301-0104. - ISSN 1873-4421
   Перевод заглавия: Спектроскопические свойства монокристалла ErAl3(BO3)4
РУБ Chemistry, Physical + Physics, Atomic, Molecular & Chemical
Рубрики:
RARE-EARTH IONS
   GREEN UP-CONVERSION

   ER3+ IONS

   MICROCHIP LASER

   ABSORPTION INTENSITIES

   YAL3(BO3)4 CRYSTAL

   OPTICAL-ABSORPTION

   FIELD ANALYSIS

   GROWTH

   LUMINESCENCE

Кл.слова (ненормированные):
Rare earth compounds -- Er3+ -- Spectroscopic properties -- Judd-Ofelt analysis -- Luminescence
Аннотация: Single crystal of ErAl3(BO3)4 was grown and its structure was studied. Polarized absorption spectra of ErAl3(BO3)4 single crystal were measured in the spectral range 1670–330 nm (6000–30000 cm−1). The Judd–Ofelt spectroscopic parameters have been determined: Ω2 = 4.87 × 10−20 cm2, Ω4 = 2.49 × 10−20 cm2, Ω6 = 2.72 × 10−20 cm2. These parameters have been used to calculate the radiative transition probabilities, the multiplet luminescence branching ratios and the fluorescence life times of the manifolds. The luminescence spectra due to transitions 2H11/2 → 4I15/2 (526 nm), 4S3/2 → 4I15/2 (548 nm), 4F9/2 → 4I15/2 (662 nm), 2H11/2 → 4I13/2 + 4I9/2 → 4I15/2 (800 nm) and 4S3/2 → 4I13/2 (855 nm) were recorded in α, σ and π polarizations. The most intensive luminescence belonged to 4S3/2 → 4I15/2 transition (548 nm).
Поляризованные спектры поглощения ErAl3 (BO3) 4 монокристалла были измерены в спектральном диапазоне 1670-330 нм (6000-30000 см-1). Спектроскопические параметры Джадда-Офельта были определены как: Ω2 = 4,87 • 10-20 см2, Ω4 = 2.49 • 10-20 см2, Ω6 = 2,72 • 10-20 см2. Параметры были использованы для расчета вероятностей излучающих переходов, мультиплетные отношения люминесценции раскола и времена жизни мультиплетов. Спектры люминесценции за счет переходов 2П11 / 2 → 4I15 / 2 (526 нм), 4S3 / 2 → 4I15 / 2 (548 нм), 4F9 / 2 → 4I15 / 2 (662 нм), 2П11 / 2 → 4I13 / 2 + 4I9 / 2 → 4I15 / 2 (800 нм) и 4S3 / 2 → 4I13 / 2 (855 нм) были записаны в α, σ и π поляризации. Наиболее интенсивное свечение принадлежало переходу 4S3 / 2 → 4I15 / 2 (548 нм).

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Доп.точки доступа:
Malakhovskii, A. V.; Малаховский, Александр Валентинович; Kutsak, T. V.; Куцак, Т. В.; Sukhachev, A. L.; Сухачев, Александр Леонидович; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Gudim, Irina A.; Гудим, Ирина Анатольевна; Molokeev, M. S.; Молокеев, Максим Сергеевич
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6.


   
    Heat capacity and thermodynamic properties of crystalline SrB4O7 / N. V. Moiseev [et al.] // Inorg. Mater. - 2012. - Vol. 48, Is. 5. - P. 504-507, DOI 10.1134/S0020168512050123. - Cited References: 24. - This work was supported in part by the RF President's Grants Council (grant no. NSh-4645.2010.2), the RF Ministry of Education and Science (analytical departmental targeted program Development of the Scientific Potential of Higher Education Institutions, grant no. RNP 2.1.1/10747), Bryansk State University (project no. 1.1.11), and the Physical Sciences Division of the Russian Academy of Sciences (Physics of Advanced Materials and Structures Program, project no. 2.5.2). . - ISSN 0020-1685
РУБ Materials Science, Multidisciplinary
Рубрики:
STRONTIUM TETRABORATE
   SINGLE-CRYSTALS

   LUMINESCENCE

Аннотация: The heat capacity of a strontium tetraborate (SrB4O7) single crystal has been determined in the temperature range 55-300 K by adiabatic calorimetry, and its Debye characteristic temperature, entropy change, enthalpy increment, and phonon mean free path have been calculated as functions of temperature.

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Публикация на русском языке Теплоемкость и термодинамические свойства кристаллического SrB4O7 [Текст] / Н. В. Моисеев [и др.] // Неорган. матер. - 2012. - Т. 48 № 5. - С. 588-591

Держатели документа:
[Moiseev, N. V.
Popov, P. A.
Solomennik, V. D.] Petrovskii State Univ, Bryansk 241036, Russia
[Zaitsev, A. I.
Cherepakhin, A. V.] Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia

Доп.точки доступа:
Moiseev, N. V.; Popov, P. A.; Solomennik, V. D.; Zaitsev, A. I.; Зайцев, Александр Иванович; Cherepakhin, A. V.; Черепахин, Александр Владимирович
}
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7.


   
    Luminescent oxide materials obtained by the extraction pyrolytic method / T. N. Patrusheva [et al.] // Theor. Found. Chem. Eng. - 2012. - Vol. 46, Is. 4. - P. 379-383, DOI 10.1134/S0040579512040069. - Cited References: 13. - The work was supported by the Russian Foundation for Basic Research project (no. 10-03-00188a). . - ISSN 0040-5795
РУБ Engineering, Chemical

Кл.слова (ненормированные):
extraction pyrolytic method -- luminescent films -- X-ray diffraction -- luminescence spectra
Аннотация: Luminescent Y1.74Eu0.16Bi0.1O3 films have been obtained by extraction pyrolytic method. The formation of a crystalline structure in the film upon isothermal annealing in air at 600–650°C was established by X-ray diffraction. Single-phase Y1.74Eu0.16Bi0.1O3 films begin to exhibit luminescent properties after pyrolysis at 500°C; the intensity of luminescence increases with increasing temperature. The films annealed at 800°C consists of defect-free homogeneous crystallites with sizes of about 0.7 μm and demonstrats high luminescence intensity.

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Публикация на русском языке Оксидные люминисцентные материалы, полученные экстракционно-пиролитическим методом [Текст] / Т. Н. Патрушева [и др.] // Хим. технол. : ООО "Наука и технологии", 2010. - № 4. - С. 198-203

Держатели документа:
[Patrusheva, T. N.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, Siberian Branch, Inst Phys, Krasnoyarsk 660036, Akademgorodok, Russia
Russian Acad Sci, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, Russia

Доп.точки доступа:
Patrusheva, T. N.; Патрушева, Тамара Николаевна; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Khval'ko, A. A.; Kolovskii, Yu.V.; Polyushkevich, A. V.; Khol'kin, A. I.
}
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8.


   
    Quantum chemical study of 2-hydroperoxycoelenterazine generation / F. N. Tomilin [et al.] // Luminescence. - 2012. - Vol. 27, Is. 2. - P. 165-166, DOI 10.1002/bio.2341. - Cited References: 2. - The work was supported by the Program of the Government of Russian Federation “Measures to attract leading scientists to Russian educational institutions” (grant No 11. G34.31.058), FCP GK-P333 and grant of SBRAS. We are grateful for the use of computation facilities of Joint Supercomputer Center of the Russian Academy of Sciences MVS-100K (Moscow) and Center of high-efficiency calculations of IKIT SFU (Krasnoyarsk). . - ISSN 1522-7235
РУБ Biochemistry & Molecular Biology


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Доп.точки доступа:
Tomilin, F. N.; Томилин, Феликс Николаевич; Tikhonova, L. V.; Eremeeva, E. V.; Еремеева, Елена Владимировна; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Vysotski, E. S.; Высоцкий, Евгений Степанович; International Symposium on Bioluminescence and Chemiluminescence (17th ; 28 May – 2 June 2012 ; Guelph, Ontario, Canada)
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9.


   
    Photoluminescence tuning via cation substitution in oxonitridosilicate phosphors: DFT calculations, different site occupations, and luminescence mechanisms / G. Li [et al.] // Chem. Mater. - 2014. - Vol. 26, Is. 9. - P. 2991-3001, DOI 10.1021/cm500844v. - Cited References: 62. - The authors would like to thank the Ministry of Science and Technology of Taiwan (Contract No. MOST 101-2113-M-002-014-MY3), the National Synchrotron Radiation Research Center, Taiwan, the National Natural Science Foundation of China (Grant No. NSFC 21301162), and the Fundamental Research Funds for the Central Universities (Grant No. CUG 130402) for financially supporting this research. Victor V. Atuchin gratefully acknowledges the Ministry of Education and Science of the Russian Federation for the financial support. . - ISSN 0897-4756. - ISSN 1520-5002
   Перевод заглавия: Управление фотолюминесценцией посредством замещения катионов в оксонитридосиликатных люминофорах: ТФП вычисления, заселения различных позиций и механизмы люминесценции
РУБ Chemistry, Physical + Materials Science, Multidisciplinary
Рубрики:
LIGHT-EMITTING-DIODES
   HIGH-TEMPERATURE SYNTHESIS

   LED CONVERSION PHOSPHORS

   CRYSTAL X-RAY

   WHITE-LIGHT

   ORDERED DISTRIBUTION

   GREEN PHOSPHOR

   LAYERED OXONITRIDOSILICATE

   REAL STRUCTURE

   AB-INITIO

Аннотация: Tuning and optimizing luminescent properties of oxonitridosilicates phosphors are important for white light-emitting diode (WLED) applications. To improve the color rendering index, correlated color temperature and thermal stability of layer-structured MSi2O2N2:Eu (M = Sr, Ba) phosphors, cation substitutions have been used to adjust their luminescent properties. However, the underlying mechanisms are still unclear. In this research, a series of (Sr1-xBax)Si2O2N2:Eu (0 ≤ x ≤ 1) compounds were prepared by solid-state reaction, after which systematic emission variations were investigated. The crystal structures of (Sr1-xBax)Si2O2N2:Eu (0 ≤ x ≤ 1) are nominally divided into three sections, namely, Phase 1 (0 ≤ x ≤ 0.65), Phase 2 (0.65 x 0.80), and Phase 3 (0.80 ≤ x ≤ 1) based on the X-ray diffraction measurements. These experimental results are further confirmed by optimizing the crystal structure data with first-principle calculations. Continuous luminescence adjustments from green to yellow are observed in Phase 1 with gradual replacement of Sr2+ with Ba2+, and the abnormal redshift is clarified through extended X-ray absorption fine structure analysis. Sr(Eu)-O/N bond length shrinkage in local structure causes the redshift emission, and the corresponding luminescence mechanism is proposed. Controllable luminescence in Phase 2 (from blue to white) and Phase 3 (from cyan to yellowish green) are observed. Based on the high-resolution transmission electron microscopy and selected area electron diffraction analysis, the two kinds of luminescence tuning are attributed to phase segregation. This study serves as a guide in developing oxonitride luminescent materials with controllable optical properties based on variations in local coordination environments through cation substitutions.

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Держатели документа:
Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan
China Univ Geosci, Fac Mat Sci & Chem, Wuhan 430074, Hubei, Peoples R China
SB RAS, Lab Crystal Phys, Kirensky Inst Phys, Krasnoyarsk 660036, Russia
SB RAS, Lab Opt Mat & Struct, Inst Semicond Phys, Novosibirsk 630090, Russia
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia
Univ St Andrews, Sch Chem, EaSTCHEM, St Andrews KY16 9ST, Fife, Scotland
Natl Cent Univ, Ctr Neutron Beam Applicat, Zhongli 320, Taiwan
Natl Synchrotron Radiat Res Ctr, Hsinchu 300, Taiwan
Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China
Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk 630090, Russia

Доп.точки доступа:
Li, G.; Lin, C. C.; Chen, W.-T.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Atuchin, V. V.; Chiang, C.-Y.; Zhou, W.; Wang, C.-W.; Li, W.-H.; Sheu, H.-S.; Chan, T.-S.; Ma, C.; Liu, R.-S.
}
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10.


   
    Synthesis and spectroscopic properties of multiferroic β΄-Tb2(MoO4)3 / V. V. Atuchin [et al.] // Opt. Mater. - 2014. - Vol. 36, Is. 10. - P. 1631–1635, DOI 10.1016/j.optmat.2013.12.008. - Cited References: 43. - This study was partly supported by SB RAS under Projects 28.13 and 24.31, and by the PSB RAS Project No. 3.9.5b, and RFBR Projects . - ISSN 0925-3467. - ISSN 1873-1252
   Перевод заглавия: Синтез и спектроскопические свойства мультиферроика β'-Tb2(MoO4)3
Рубрики:
FERROELECTRIC-FERROELASTIC Tb2(MoO4)3
   STIMULATED RAMAN-SCATTERING

   TRANSITION-METAL MOLYBDATES

   RARE-EARTH MOLYBDATES

   CRYSTAL-STRUCTURE

   VIBRATIONAL PROPERTIES

   LUMINESCENCE PROPERTIES

   Tb-2(MoO4)3 CRYSTALS

   TERBIUM MOLYBDATE

   PHASE-TRANSITIONS

Кл.слова (ненормированные):
Terbium molybdate -- Raman spectrum -- Optical properties
Аннотация: Orthorhombic terbium molybdate, β΄-Tb2(MoO4)3, microcrystals have been fabricated by solid state synthesis at T = 750-1270 K for t = 290 h. The crystal structure β΄-Tb2(MoO4)3 has been refined by Rietveld method in space group Pba2 with cell parameters of a = 10.35387(6), b = 10.38413(6) and c = 10.65695(7) A (RB = 1.83%). About 40 narrow Raman lines have been observed in the Raman spectrum recorded for the β΄-Tb2(MoO4)3 powder sample. The luminescence spectrum of β΄-Tb2(MoO4)3 has been measured under the excitation at 355 nm, and the intensive photoluminescence band at 540-550 nm has been found. В© 2013 Elsevier Ltd. All rights reserved.

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Доп.точки доступа:
Grinberg, M. \ed.\; Bojarski, P. \ed.\; Suchocki, A. \ed.\; Atuchin, V. V.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Chimitova, O. D.; Krylov, A. S.; Крылов, Александр Сергеевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Bazarov, B. G.; Bazarova, J. G.; Xia, Zhiguo; International Workshop on Advanced Spectroscopy and Optical Materials (4th ; 14–19 July 2013 ; Gdańsk, Poland)
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