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Makarova, I. P.
X-ray diffraction study of RbLiCrO4 / I. P. Makarova, I. A. Verin, K. S. Aleksandrov // Ferroelectrics. - 1991. - Vol. 124, Is. 1. - P. 91-96, DOI 10.1080/00150199108209420. - Cited References: 12 . - ISSN 0015-0193

РУБ Materials Science, Multidisciplinary + Physics, Condensed Matter
Рубрики:
LITHIUM POTASSIUM-SULFATE
   THERMAL VIBRATIONS
   CRYSTALS
   PROGRAM
   KLISO4
   LIKSO4
Аннотация: Crystal structure of RbLiCrO4 was determined in G3 phase (sp. gr. P31c) at 293, 428, 493, 523 K and in G2 phase (sp. gr. P63) at 553, 583 K applying X-ray diffraction data. The investigated crystals exhibit ‘twinning by merohedry’. The analysis of intensities and influence of anomalous scattering on them allowed us to choose twin elements and atomic configurations of twin domains for all the investigated specimens.

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Доп.точки доступа:
Verin, I. A.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич; European meeting on ferroelectricity(7 ; 1991 ; Jul ; 08-12 ; Dijon, France)
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Thermochemistry, structure, and optical properties of a new β-La2(SO4)3 polymorphic modification / S. A. Basova, M. S. Molokeev, A. S. Oreshonkov [et al.] // Inorganics. - 2023. - Vol. 11, Is. 11. - Ст. 434, DOI 10.3390/inorganics11110434. - Cited References: 58. - The work was partly carried out within the framework of the Strategic Academic Leadership Program “Priority-2030” for the Kazan Federal University and the state assignment of the Kirensky Institute of Physics. - We acknowledge Lisa-Marie Wagner (JLU Giessen) for help with X-ray powder diffractometry, and Svetlana Volkova and Irina Palamarchuk (UTMN) for help with IR- and UV-spectrometry. The use of equipment provided by the Krasnoyarsk Regional Center of Research Equipment of Federal Research Center “Krasnoyarsk Science Center SB RAS” is acknowledged . - ISSN 2304-6740
Кл.слова (ненормированные):
rare earths -- lanthanum -- sulfate -- crystal chemistry -- thermodynamics -- chemical kinetics -- dielectrics
Аннотация: A new polymorphic modification of lanthanum sulfate was obtained by thermal dehydration of the respective nonahydrate. According to powder X-ray diffraction, it was established that β-La2(SO4)3 crystallized in the C2/c space group of the monoclinic system with the KTh2(PO4)3 structure type (a = 17.6923(9), b = 6.9102(4), c = 8.3990(5) Å, β = 100.321(3)°, and V = 1010.22(9) Å3). Temperature dependency studies of the unit cell parameters indicated almost zero expansion along the a direction in the temperature range of 300–450 K. Presumably, this occurred due to stretching of the [LaO9]n chains along the c direction, which occurred without a significant alteration in the layer thickness over the a direction. A systematic study of the formation and destruction processes of the lanthanum sulfates under heating was carried out. In particular, the decisive impact of the chemical composition and formation energy of compounds on the thermodynamic and kinetic parameters of the processes was established. DFT calculations showed β-La2(SO4)3 to be a dielectric material with a bandgap of more than 6.4 eV. The processing of β-La2(SO4)3 with the Kubelka–Munk function exhibited low values below 6.4 eV, which indicated a fundamental absorption edge above this energy that was consistent with LDA calculations. The Raman and infrared measurements of β-La2(SO4)3 were in accordance with the calculated spectra, indicating that the obtained crystal parameters represented a reliable structure.

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Держатели документа:
Department of Inorganic and Physical Chemistry, Tyumen State University, Tyumen 625003, Russia
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Laboratory of Theory and Optimization of Chemical and Technological Processes, Tyumen State University, Tyumen 625003, Russia
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
School of Engineering and Construction, Siberian Federal University, Krasnoyarsk 660041, Russia
A.M. Butlerov Chemistry Institute, Kazan Federal University, Kazan 420008, Russia
Institute of Inorganic and Analytical Chemistry, Justus-Liebig-University Giessen, 35392 Giessen, Germany
Laboratory of Coherent Optics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036, Russia
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk 660041, Russia
Departement of Science and Innovation, Northern Trans-Ural Agricultural University, Tyumen 625003, Russia
School of Natural Sciences, Tyumen State University, Tyumen 625003, Russia
Center for Materials Research (LaMa), Justus-Liebig-University Giessen, 35392 Giessen, Germany
Construction Institute, Industrial University of Tyumen, Tyumen 625000, Russia

Доп.точки доступа:
Basova, S. A.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Zhernakov, M. A.; Khritokhin, N. A.; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Sal’nikova, E. I.; Azarapin, N. O.; Shelpakova, N. A.; Muller-Buschbaum, K.; Denisenko, Yu. G.
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The low-temperature germinating spores of the thermophilic Desulfofundulus contribute to an extremely high sulfate reduction in burning coal seams / O. V. Karnachuk, I. I. Rusanov, I. A. Panova [et al.] // Front. Microbiol. - 2023. - Vol. 14. - Ст. 1204102, DOI 10.3389/fmicb.2023.1204102. - Cited References: 80. - This study was supported by the Russian Science Foundation Projects 21-14-00114 (to OK, sampling, sulfate reduction rate measurements, pure culture isolation and physiological experiments with pure culture and spores) and 22-14-00178 (to NR, metagenome and genome sequencing and analysis) and the Ministry of Science and Higher Education of the Russian Federation . - ISSN 1664-302X
Кл.слова (ненормированные):
sulfate reduction -- thermophiles -- burning coal seams -- Desulfofundulus -- spores
Аннотация: Burning coal seams, characterized by massive carbon monoxide (CO) emissions, the presence of secondary sulfates, and high temperatures, represent suitable environments for thermophilic sulfate reduction. The diversity and activity of dissimilatory sulfate reducers in these environments remain unexplored. In this study, using metagenomic approaches, in situ activity measurements with a radioactive tracer, and cultivation we have shown that members of the genus Desulfofundulus are responsible for the extremely high sulfate reduction rate (SRR) in burning lignite seams in the Altai Mountains. The maximum SRR reached 564 ± 21.9 nmol S cm−3 day−1 at 60°C and was of the same order of magnitude for both thermophilic (60°C) and mesophilic (23°C) incubations. The 16S rRNA profiles and the search for dsr gene sequences in the metagenome revealed members of the genus Desulfofundulus as the main sulfate reducers. The thermophilic Desulfofundulus sp. strain Al36 isolated in pure culture, did not grow at temperatures below 50°C, but produced spores that germinated into metabolically active cells at 20 and 15°C. Vegetative cells germinating from spores produced up to 0.738 ± 0.026 mM H2S at 20°C and up to 0.629 ± 0.007 mM H2S at 15°C when CO was used as the sole electron donor. The Al36 strain maintains significant production of H2S from sulfate over a wide temperature range from 15°C to 65°C, which is important in variable temperature biotopes such as lignite burning seams. Burning coal seams producing CO are ubiquitous throughout the world, and biogenic H2S may represent an overlooked significant flux to the atmosphere. The thermophilic spore outgrowth and their metabolic activity at temperatures below the growth minimum may be important for other spore-forming bacteria of environmental, industrial and clinical importance.

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Держатели документа:
Laboratory of Biochemistry and Molecular Biology, Tomsk State University, Tomsk, Russia
Institute of Microbiology, Research Centre of Biotechnology of the Russian Academy of Sciences, Moscow, Russia
Institute of Bioengineering, Research Centre of Biotechnology of the Russian Academy of Sciences, Moscow, Russia
Kirensky Institute of Physics, Krasnoyarsk, Russia

Доп.точки доступа:
Karnachuk, O. V.; Rusanov, I. I.; Panova, I. A.; Kadnikov, V. V.; Avakyan, M. R.; Ikkert, O. P.; Lukina, A. P.; Beletsky, A. V.; Mardanov, A. V.; Knyazev, Yu. V.; Князев, Юрий Владимирович; Volochaev, M. N.; Волочаев, Михаил Николаевич; Pimenov, N. V.; Ravin, N. V.
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Study of structural and physical-properties of cesium and lithium double sulfate / K. S. Aleksandrov [и др.] // Fiz. Tverd. Tela. - 1980. - Vol. 22, Is. 12. - P. 3673-3677. - Cited References: 6 . - ISSN 0367-3294

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Публикация на русском языке Исследование структурных и физических свойств двойного сульфата и цезия и лития [Текст] / К. С. Александров [и др.] // Физ. тверд. тела. - 1980. - Т. 22 Вып. 12. - С. 3673-3677

Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Zherebtsova, L. I.; Iskornev, I. M.; Искорнев, Игорь Михайлович; Kruglik, A. I.; Круглик, Анатолий Иванович; Rozanov, O. V.; Flerov, I. N.; Флёров, Игорь Николаевич
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    Structure, thermal stability, and spectroscopic properties of triclinic Double sulfate AgEu(SO4)2 with isolated SO4 groups / Y. G. Denisenko [et al.] // Inorg. Chem. - 2018. - Vol. 57, Is. 21. - P. 13279-13288, DOI 10.1021/acs.inorgchem.8b01837. - Cited References: 81. - This work was supported by the Russian Foundation for Basic Research (Grants 16-52-48010 and 17-52-53031). The equipment of the Collective Use Center, Kirensky Institute of Physics, Federal Research Center KSC Siberian Branch Russian Academy of Sciences (http://ccu.kirensky.ru/) were used. . - ISSN 0020-1669
   Перевод заглавия: Структура, термическая стабильность и спектроскопические свойства триклинного двойного сульфата AgEu(SO4)2 с изолированными группами SO4
Аннотация: Silver–europium double sulfate AgEu(SO4)2 was obtained by solid-phase reaction between Ag2SO4 and Eu2(SO4)3. The crystal structure of AgEu(SO4)2 was determined by Monte Carlo method with simulated annealing, and after that, it was refined by the Rietveld method from X-ray powder diffraction data. The compound crystallizes in the triclinic symmetry, space group P1̅ (a = 0.632929(4), b = 0.690705(4), c = 0.705467(4) nm, α = 98.9614(4), β = 84.5501(4), γ = 88.8201(4)°, V = 0.303069(3) nm3). Two types of sulfate tetrahedra were found in the structure, which significantly affects the spectroscopic properties in the IR-range. In the temperature range of 143–703 K, the average linear thermal expansion coefficients of cell parameters a, b, and c are very similar, (1.11–1.67) × 10–5 K–1 in magnitude, and therefore, AgEu(SO4)2 expands almost isotropically. Upon heating in argon flow, AgEu(SO4)2 is stable up to 1053 K. The luminescence spectra in the region of ultranarrow 5D0–7F0 transition contain a single narrow and symmetric line at 579.5 nm that is evidence of good crystalline quality of AgEu(SO4)2 and uniform local environment of Eu3+ ions in the structure. Distribution of luminescence bands is determined by the environment of Eu3+ ions in the structure. Influence of Ag+ ions on the electron density distribution at Eu sites is detected.

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Держатели документа:
Institute of Chemistry, Tyumen State University, Tyumen, 625003, Russian Federation
Department of General and Special Chemistry, Industrial University of Tyumen, Tyumen, 625000, Russian Federation
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk, 630090, Russian Federation
Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State University, Novosibirsk, 630090, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC, SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Department of Physics, Far Eastern State Transport University, Khabarovsk, 680021, Russian Federation
Laboratory of Coherent Optics, Kirensky Institute of Physics, Federal Research Center KSC, SB RAS, Krasnoyarsk, 660036, Russian Federation
Institute of Nanotechnology, Spectroscopy and Quantum Chemistry, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center KSC, SB RAS, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Denisenko, Y. G.; Atuchin, V. V.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Aleksandrovsky, A. S.; Александровский, Александр Сергеевич; Krylov, A. S.; Крылов, Александр Сергеевич; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Volkova, S. S.; Andreev, O. V.
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Makarova, I. P.
Structure and twinning of RbLiCrO4 crystals / I. P. Makarova, I. A. Verin, K. S. Aleksandrov // Acta Crystallogr. B. - 1993. - Vol. 49. - P. 19-28, DOI 10.1107/S0108768192006141. - Cited References: 14 . - ISSN 0108-7681

РУБ Crystallography
Рубрики:
LITHIUM POTASSIUM-SULFATE
   NEUTRON-DIFFRACTION
   THERMAL VIBRATIONS
   KLISO4
   PROGRAM
   LIKSO4
Аннотация: The crystal structures of the G3 (space group P31c) and G2 (space group P6(3)) phases of RbLiCrO4 have been determined from X-ray diffraction data (Mo Kalpha radiation) at 293, 428, 493 and 523 K (G3 phase) and 553 and 583 K (G2 phase). The RbLiCrO4 crystals exhibit twinning by merohedry with twin laws in the G3 phase: 2 parallel-to [001], m perpendicular-to [001], 1BAR; in the G2 phase: m parallel-to [001], 2 perpendicular-to [001], 1BAR. The analysis of diffraction intensities and influence of anomalous scattering on them provided the unambiguous determination of the twin laws for all the specimens investigated. The structure has been refined using the approximation of the anharmonic thermal vibrations of atoms.

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Держатели документа:
ACAD SCI,INST PHYS,SIBERIAN DIV,KRASNOYARSK 660036,RUSSIA
ИФ СО РАН

Доп.точки доступа:
Verin, I. A.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
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State of iron in nanoparticles prepared by impregnation of silica gel and aluminum oxide with FeSO4 solutions / G. A. Bukhtiyarova [et al.] // Phys. Solid State. - 2010. - Vol. 52, Is. 4. - P. 826-837, DOI 10.1134/S1063783410040268. - Cited References: 27. - This study was supported by the Presidium of the Russian Academy of Sciences within the framework of the Program no. 27 "Principles of Basic Research of Nanotechnologies and Nanomaterials," Project no. 46 "Magnetically Ordered Nanoparticles in Catalytic Systems: Synthesis, Evolution, and Physicochemical Properties." . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
THERMAL-DECOMPOSITION
   BETA-FEOOH
   MOSSBAUER
   FERRIHYDRITE
   EPSILON-FE2O3
   FE-2(SO4)(3)
   SULFATE
   FE-57
Аннотация: The state of iron in nanoparticles prepared by impregnating silica gel and aluminum oxide with iron(II) sulfate solutions has been investigated using Mossbauer spectroscopy. It has been revealed that the state of iron depends on the nature of the support. Iron(III) hydroxysulfate and iron(III) oxysulfate nanoparticles are formed on the surface of silica gel, and iron oxide nanoparticles are formed on the surface of aluminum oxide. An increase in the concentration of iron ions or in the size of iron-containing particles leads to hydration of the nanoparticle surface. The calcination of the samples results in the formation of E -Fe2O3 oxide in a strongly disordered or amorphous state in iron-containing particles on the surface of silica gel.

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Держатели документа:
[Bukhtiyarova, G. A.
Mart'yanov, O. N.
Yakushkin, S. S.
Shuvaeva, M. A.] Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia
[Bayukov, O. A.] Russian Acad Sci, LV Kirensky Phys Inst, Siberian Branch, Krasnoyarsk 660036, Russia
ИФ СО РАН
Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent'eva 5, Novosibirsk 630090, Russian Federation
Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Akademgorodok 50, Krasnoyarsk 660036, Russian Federation

Доп.точки доступа:
Bukhtiyarova, G. A.; Mart'yanov, O. N.; Yakushkin, S. S.; Shuvaeva, M. A.; Bayukov, O. A.; Баюков, Олег Артемьевич
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Specific heat and thermal expansion of triglycine sulfate-porous glass nanocomposites / E. A. Mikhaleva [et al.] // Phys. Solid State. - 2018. - Vol. 60, Is. 7. - P. 1338-1343, DOI 10.1134/S1063783418070181. - Cited References: 27. - This study was supported by the Russian Foundation for Basic Research, project no. 16-32-00092 mol-a. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
PHASE-TRANSITIONS
DIELECTRIC-PROPERTIES
FERROELECTRIC COMPOSITES
Аннотация: The effect of restricted geometry on specific heat capacity and thermal expansion of the triglycine sulfate (TGS)–borosilicate glass composites have been studied first. A decrease in the entropy and temperature of the P21 ↔ P21/m phase transition in the TGS component with decreasing the glass matrix pore diameter at the invariable specific heat and thermal expansion coefficient has been observed. The estimates are indicative of the minor effect of internal pressure on the TGS pressure coefficient dTC/dp in the composites.

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Публикация на русском языке Теплоемкость и тепловое расширение нанокомпозитов триглицинсульфат-пористое стекло [Текст] / Е. А. Михалева [и др.] // Физ. тверд. тела. - 2018. - Т. 60 Вып. 7. - С. 1328–1333

Держатели документа:
Russian Acad Sci, Kirensky Inst Phys, Siberian Branch, Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk 660041, Russia.
Krasnoyarsk State Pedag Univ, Krasnoyarsk 660060, Russia.
Far Eastern State Transport Univ, Khabarovsk 680000, Russia.
Voronezh State Tech Univ, Voronezh 394000, Russia.
Wroclaw Univ Sci & Technol, Fac Fundamental Problems & Technol, Div Expt Phys, PL-50370 Wroclaw, Poland.

Доп.точки доступа:
Mikhaleva, E. A.; Михалева, Екатерина Андреевна; Flerov, I. N.; Флёров, Игорь Николаевич; Kartashev, A. V.; Карташев, Андрей Васильевич; Gorev, M. V.; Горев, Михаил Васильевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Korotkov, L. N.; Rysiakiewicz-Pasek, E.; Russian Foundation for Basic Research [16-32-00092 mol-a]
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Mel'nikova, S. V.
Optical investigations of the effect of gradual substitution NH4 - Cs on the ferroelastic phase transition in a CsLiSO4 crystal / S. V. Mel'nikova, V. A. Grankina // Phys. Solid State. - 2004. - Vol. 46, Is. 3. - P. 515-520, DOI 10.1134/1.1687871. - Cited References: 14 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
AMMONIUM LITHIUM-SULFATE
TEMPERATURE PHASE
NH4LISO4
Аннотация: Crystals of Cs-x(NH4)(1 - x)LiSO4 (0.39 less than or equal to x less than or equal to 1.0) solid solutions are grown and investigated using polarized light microscopy and measurements of the birefringence in the temperature range 100-530 K. The (x-T) phase diagram of the Cs-x(NH4)(1 - x)LiSO4 solid solutions is constructed. It is demonstrated that, upon substitution of ammonium for cesium in the CsLiSO4 crystal, the phase transition temperature gradually increases to such a degree that the ferroelastic phase can exist at room temperature. The triple point of intersection of the Pmcn, P2(1)cn, and P112(1)/n phase boundaries is determined. It is established that the introduction of ammonium in small amounts has an unusually strong effect on the refractive properties and character of the ferroelastic phase transition in the CsLiSO4 crystal. (C) 2004 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Grankina, V. A.; Мельникова, Светлана Владимировна
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10.

Nuclear spin resonance study of the ion mobility in a KHSeO4 crystal / Y. N. Ivanov [et al.] // Phys. Solid State. - 2004. - Vol. 46, Is. 10. - P. 1845-1850, DOI 10.1134/1.1809417. - Cited References: 15 . - ISSN 1063-7834

РУБ Physics, Condensed Matter
Рубрики:
POTASSIUM HYDROGEN SULFATE
EXCHANGE NMR
SOLIDS
Аннотация: The ion mobility in a crystal of partially deuterated potassium hydroselenate (KHSe) was studied using nuclear spin resonance (NSR) of H-1, H-2, Se-77, and K-39 in a wide temperature range. The temperature dependences of the deuterium NSR spectra above 360 K exhibit changes in the line shape characteristic of chemical exchange processes. These exchange processes were studied in detail using two-dimensional H-2 NSR spectroscopy. It was ascertained that the exchange between deuterons of hydrogen bonds take place in the entire temperature range under study. However, the measured conductivity was approximately one-hundredfold lower than that estimated from the exchange frequencies. It was assumed that the low conductivity in the temperature range under study is caused by closed dimers of SeO4 groups in the KHSe structure. (C) 2004 MAIK "Nauka / Interperiodica".

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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Univ Leipzig, D-04103 Leipzig, Germany
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Leipzig University, Leipzig, D-04103, Germany

Доп.точки доступа:
Ivanov, Y. N.; Иванов, Юрий Николаевич; Sukhovskii, A. A.; Суховский, Андрей Андреевич; Aleksandrova, I. P.; Александрова, Инга Петровна; Totz, J.; Michel, D.
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