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Русова, Светлана Григорьевна.
Стабильность коэрцитивной силы тонких пленок / С. Г. Русова, С. В. Кан // Изв. АН СССР, Сер. физич. - 1966. - Т. 30, № 1. - С. 31-33. - Библиогр.: 4

Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Кан, Сергей Викторович; Kan, S. V.; Rusova, S. G.; Всесоюзный симпозиум по физике тонких ферромагнитных пленок(2 ; 1964 ; июль ; 10-15 ; Иркутск)
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Черепанов, Олег Александрович.
Стабильность сообщества "конкурирующие хищники - жертвы" и роль в нем трофической адаптации хищников [Препринт] : препринт. № 75Ф / О. А. Черепанов, Б. Г. Ковров ; Ин-т физики им. Л.В. Киренского. - Красноярск : ИФ СО АН СССР, 1978. - 53 с. - Библиогр.: с. 51-53. - 150 экз. - Б. ц.

Держатели документа:
Институт биофизики СО РАН : 660036, Красноярск, Академгородок, 50/12

Доп.точки доступа:
Ковров, Борис Григорьевич; Kovrov, B. G.; Институт физики им. Л.В. Киренского Сибирского отделения АН СССР
Свободных экз. нет}
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Стабильность светопропускания оптических модуляторов на основе капсулированнных полимером нематических жидких кристаллов / А. В. Баранник, С. Л. Сморгон, В. Я. Зырянов, А. В. Шабанов // Оптический журнал. - 1997. - Т. 64, № 5. - С. 99-101 . - ISSN 1023-5086

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Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Баранник, Алексей Владимирович; Сморгон, Сергей Леонидович; Smorgon S. L.; Зырянов, Виктор Яковлевич; Zyryanov, V. Ya.; Шабанов, Александр Васильевич; Shabanov, A. V.
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    Vasiliev, A. D.
    Ciprofloxacinium malonate dihydrate: preparation, crystal structure, thermal stability / A. D. Vasiliev, N. N. Golovnev // J. Sib. Fed. Univ. Chem. - 2013. - Vol. 6, Is. 2. - P. 107-113 ; Журн. СФУ. Сер. "Химия"
   Перевод заглавия: Малонат дигидрат ципрофлоксацина: приготовление, кристаллическая структура, тепловая стабильность
Аннотация: Ciprofloxacinium malonate dihydrate (I) , C 17 H 19 FN 3 O 3 ∙C 3 H 3 O 4 ∙H 2 O, (C 17 H 18 FN 3 O 3 – ciprofloxacin, CfH; C 3 H 4 O 4 − malonic acid) has been crystallized from the mutual solution of malonic acid and ciprofloxacin in ambient conditions. It has improved aqueous solubility against the ciprofloxacin. The colourless crystals have been investigated using X-ray single crystal and powder techniques, and characterized by differential scanning calorimetry and thermogravimetry. The obtained compound can be considered as a salt with ciprofloxacinium in the role of a cation and malonate as an anion. The compound is crystallized in the triclinic lattice with a = 7.283(2), b = 10.090(3), c = 15.104(5)Å, α = 102.711(4), β = 103.328(4), γ = 94.261(4)°, Z = 2, V = 1044.5(6)Å , S.G. P 1 . The crystal structure determination reveals the importance of inter-and intramolecular interactions in the crystal formation. Thermal behavior and solubility of I provided complementary evidences of salt formation.

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Доп.точки доступа:
Golovnev, N. N.; Головнёв, Николай Николаевич; Васильев, Александр Дмитриевич

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    The 5-(isopropylidene)-2-thiobarbituric acid: Preparation, crystal structure, thermal stability and IR-characterization / N. N. Golovnev [et al.] // J. Mol. Struct. - 2014. - Vol. 1068. - P. 216-221, DOI 10.1016/j.molstruc.2014.04.024. - Cited References: 30. - V.V.A. is grateful to the Ministry of Education and Science of Russian Federation for the financial support of the investigation. . - ISSN 0022-2860. - ISSN 1872-8014
   Перевод заглавия: 5-(изопропилиден)-2-тиобарбитуровая кислота: Синтез, кристаллическая структура, термическая стабильность и ИК характеризация

РУБ Chemistry, Physical
Рубрики:
2-THIOBARBITURIC ACID
COMPLEXES
DERIVATIVES
Кл.слова (ненормированные):
5-(Isopropylidene)-2-thiobarbituric acid -- Synthesis -- Thiobarbituric acid -- X-ray diffraction -- Infrared spectroscopy -- Thermography
Аннотация: 5-(Isopropylidene)-2-thiobarbituric acid (1), C7H8N2O2S, has been crystallized by reacting 2-thiobarbituric acid with excessing acetone for 5–6 days under ambient conditions. The pale yellow crystals have been investigated using X-ray single crystal and powder techniques and characterized by differential scanning calorimetry, thermogravimetry and infrared spectroscopy. The compound crystallizes in the monoclinic system with a = 8.8268(19) Å, b = 12.044(3) Å, c = 8.0998(19) Å, β = 105.388(6)°, Z = 4, V = 830.2(3) Å3, space group P21/c. The geometric parameters of the heterocycle of the molecule 1 are similar to those found previously for the molecule of thionedicarbonyl tautomer in polymorphic modifications of 2-thiobarbituric acid. Infrared spectroscopy also evidences the thionedicarbonyl structure of the 1 heterocyclic ring. Intermolecular NH⋯O hydrogen bonds join the molecules in the chains along b axis. The 1 compound is thermally stable up to 230.0 °С and melts with decomposition at 261.4 °C. The results of mass spectrometric analysis are consistent with the structural parameters found by X-ray diffraction methods.

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Держатели документа:
Siberian Fed Univ, Krasnoyarsk 660041, Russia
Kirensky Inst Phys SB RAS, Krasnoyarsk 660036, Russia
Krasnoyarsk Sci Ctr SD RAS, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Semicond Phys, Lab Opt Mat & Struct, Novosibirsk 630090, Russia
Tomsk State Univ, Funct Elect Lab, Tomsk 634050, Russia
Novosibirsk State Univ, Lab Semicond & Dielect Mat, Novosibirsk 630090, Russia

Доп.точки доступа:
Golovnev, N. N.; Головнёв, Николай Николаевич; Molokeev, M. S.; Молокеев, Максим Сергеевич; Tarasova, L. S.; Atuchin, V. V.; Vladimirova, N. I.
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Влияние стехиометрии Fe и Со на температурную стабильность магнитной анизотропии в сплавах Pr-Dy-Fe-Co-B / Е. Н. Каблов [и др.] // Физ. тверд. тела. - 2015. - Т. 57, Вып. 7. - С. 1339-1342. - Библиогр.: 14 . - ISSN 0367-3294
Аннотация: Увеличение концентрации кобальта в сплавах Pr-Dy-Fe-Co-B приводит к замещению атомов Fe на атомы Co в тех атомных позициях, которые являются ближайшими соседями с редкоземельными металлами. С ростом концентрации кобальта в сплаве появляется значительное количество фаз, обогащенных бором. При самых высоких (предельных) концентрациях кобальта может происходить замещение переходных металлов бором. В результате обменное взаимодействие между магнитными подрешетками редкоземельных и переходных металлов ослабляется. Это, в свою очередь, приводит к уменьшению вклада редкоземельных ионов в магнитную анизотропию, температурная стабильность которой повышается.

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Переводная версия Effect of stoichiometry of Fe and Co on the temperature stability of the magnetic anisotropy in Pr-Dy-Fe-Co-B alloys [Текст] / E. N. Kablov [et al.] // Phys. Solid State : MAIK Nauka-Interperiodica / Springer, 2015. - Vol. 57 Is. 7.- P.1362-1365

Держатели документа:
Институт физики им. Л.В. Киренского СО РАН

Доп.точки доступа:
Каблов, Е. Н.; Оспенникова, О. Г.; Баюков, Олег Артемьевич; Bayukov, O. A.; Плетнев, Олег Николаевич; Pletnev, O. N.; Рeзчикова, И. И.; Валеев, Р. А.; Королев, Д. В.; Куницына, Е И.; Пискорский, Вадим Петрович; Моргунов, Р. Б.
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    Coordination effects in hydrated manganese(II) 1,3-diethyl-2-thiobarbiturates and their thermal stability / N. N. Golovnev [et al.] // Polyhedron. - 2017. - Vol. 134. - P. 120-125, DOI 10.1016/j.poly.2017.06.002. - Cited References: 25 . - ISSN 0277-5387
   Перевод заглавия: Координационные эффекты в гидратах 1,3-диэтил-2-тиобарбитуратов марганца(II) и их термическая стабильность
Кл.слова (ненормированные):
1,3-Diethyl-2-thiobarbituric acid -- Complexes -- X-ray diffraction -- Infrared spectroscopy -- Manganese(II)
Аннотация: Three new complexes of 1,3-diethyl-thiobarbituric acid (HDetba), barbiturate-bridged 2D Mn(II) polymer [Mn(H2O)2(Detba)2] (1), trinuclear [Mn3(H2O)10(Detba)6] (2) and discrete molecular [Mn(H2O)4(Detba)2]·H2O (3) are synthesized and structurally characterized by the X-ray single crystal technique. In 1–3, the Detba− ions are coordinated to Mn(II) only through O atoms with manganese ions in the octahedral environment. In 1, the Mn(II) ion is coordinated by four μ2 bridge Detba− ions and two terminal H2O molecules. In 2, the Mn1 ion is coordinated by three terminal H2O molecules, two terminal and one μ2 bridge Detba− ion, and Mn2 is connected with two μ2-Detba− ions and four H2O molecules. In 3, the Mn(II) ion is coordinated by two terminal Detba− ions and four terminal H2O molecules. There are intermolecular hydrogen bonds O–H⋯O, O–H⋯S in the structures of 1–3 which form the 3D networks. Structure 2 is stabilized by the π–π interaction. The compounds thermal decomposition comprises dehydration steps and the organic ligand oxidation.

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Держатели документа:
Department of Chemistry, Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, bld. 38 Akademgorodok 50, Krasnoyarsk, Russian Federation
Department of Engineering Physics and Radioelectronic, Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, 47 Seryshev Str., Khabarovsk, Russian Federation
Laboratory of Physical Chemistry, Irkutsk Favorsky Institute of Chemistry, SB RAS, 1 Favorsky, Irkutsk, Russian Federation
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RAS, Novosibirsk, Russian Federation
Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State University, Novosibirsk, Russian Federation

Доп.точки доступа:
Golovnev, N. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Sterkhova, I. V.; Lesnikov, M. K.; Atuchin, V. V.
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    Thiobarbiturate and barbiturate salts of pefloxacin drug: Growth, structure, thermal stability and IR-spectra / N. N. Golovnev [et al.] // J. Mol. Struct. - 2017. - Vol. 1149. - P. 367-372, DOI 10.1016/j.molstruc.2017.08.011. - Cited References: 41. - The study was carried out within the public task of the Ministry of Education and Science of the Russian Federation to the Siberian Federal University (4.7666.2017/BP) in 2017–2019. The reported study was funded by RFBR according to the research project 16-52-48010 and 17-52-53031. The X-ray data from single crystals were obtained with the use of the analytical equipment of the SB RAS Baikal Collective Use Center and using the analytical equipment of the SB RAS Krasnoyarsk Collective Use Center. . - ISSN 0022-2860
   Перевод заглавия: Тиобарбитуровая и барбитуровая соли пефлоксацина: Синтез, структура, термическая стабильность и ИК-спектры
Кл.слова (ненормированные):
Thiobarbituric acid -- Barbituric acid -- Pefloxacin -- X-ray diffraction -- Infrared spectroscopy -- Salts -- Thermal stability
Аннотация: Three new salts of pefloxacin (PefH) with thiobarbituric (H2tba) and barbituric (H2ba) acids, pefloxacinium 2-thiobarbiturate trihydrate, PefH2(Htba)·3H2O (1), pefloxacinium 2-thiobarbiturate, PefH2(Htba) (2) and bis(pefloxacinium barbiturate) hydrate, (PefH2)2(Hba)2·2.56H2O (3) are synthesized and structurally characterized by the X-ray single-crystal diffraction. The structures of 1–3 contain intramolecular hydrogen bonds C–H⋯F, O–H⋯O. Intermolecular hydrogen bonds N–H⋯O and O–H⋯O form a 2D plane network in 1. In 2 and 3, intermolecular hydrogen bonds N–H⋯O form the infinite chains. In 1–3, the Htba− and Hba− ions are connected with PefH2 + only by one intermolecular hydrogen bond N–H⋯O. In 2 and 3, two Htba− and Hba− ions are connected by two hydrogen bonds N–H⋯O. These pairs form infinite chains. All three structures are stabilized by the π−π interactions of the head-to-tail type between PefH2 + ions. Compounds 2 and 3 are characterized by powder XRD, TG-DSC and FT-IR.

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Держатели документа:
Siberian Federal University, 79 Svobodny Ave.Krasnoyarsk, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Bld. 38 Akademgorodok 50Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, 47 Seryshev Str.Khabarovsk, Russian Federation
Laboratory of Physical Chemistry, Irkutsk Favorsky Institute of Chemistry, SB RAS, 1 FavorskyIrkutsk, Russian Federation
Laboratory of Optical Materials and Structures, Institute of Semiconductor Physics, SB RASNovosibirsk, Russian Federation
Laboratory of Semiconductor and Dielectric Materials, Novosibirsk State UniversityNovosibirsk, Russian Federation

Доп.точки доступа:
Golovnev, N. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Lesnikov, M. K.; Sterkhova, I. V.; Atuchin, V. V.
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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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10.

    Two novel mixed-ligand Ni(II) and Co(II) complexes with 1,10-phenanthroline: Synthesis, structural characterization, and thermal stability / N. N. Golovnev [et al.] // Chem. Phys. Lett. - 2018. - Vol. 708. - P. 11-16, DOI 10.1016/j.cplett.2018.07.058. - Cited References: 29. - The study was carried out within the public task of the Ministry of Education and Science of the Russian Federation to the Siberian Federal University (4.7666.2017/BP) in 2017-2019. X-ray data from single crystals were obtained with use the analytical equipment of Baikal Center of collective use of SB RAS and with use the analytical equipment of Krasnoyarsk Center of collective use of SB RAS. . - ISSN 0009-2614
   Перевод заглавия: Два новых комплекса смешанных лигандов Ni (II) и Co (II) с 1,10-фенантролином: синтез, структурная характеризация и термическая стабильность
Кл.слова (ненормированные):
Barbituric acid -- 1,10-Phenanthroline complexes -- X-ray diffraction -- Thermal decomposition -- Infrared spectroscopy
Аннотация: Two nickel(II) and cobalt(II) complexes with phenanthroline, [Ni(Phen)(H2O)3Br]Br (1) and [Co(Phen)2(H2O)2](Hba)2·2H2O (2), Phen = 1,10-phenanthroline and Hba− = barbiturate anion, were synthesized and characterized by powder XRD, TGA and FT-IR. Their structures were determined by single crystal X-ray diffraction techniques. The Ni2+ ion is coordinated by two N atoms of Phen molecule, Br− ion and three H2O molecules forming an octahedron. Uncoordinated and coordinated Br− ions are connected with water molecules by OH⋯Br intermolecular hydrogen bonds with the formation of a 2D plane network which is extended into a 3D network by π−π stacking interactions. The [Co(Phen)2(H2O)2]2+ cation contains a six-coordinated cobalt atom chelated by two Phen ligands and two aqua ligands in the cis arrangement. NH⋯O, OH⋯O and CH⋯O intermolecular hydrogen bonds form a 3D net. NH⋯O hydrogen bonds form the infinite chains of Hba–. In addition, coordinated Phen molecules and lattice water molecules are linked via CH⋯OW hydrogen bonds to form infinite zigzag chains. These different chains are connected by OWH⋯O hydrogen bonds. π−π interaction plays an important role in the stabilization of structures 1–2. FT-IR, TGA, the diffuse reflectance, and UV–Vis spectra were also used to characterize these compounds.

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Держатели документа:
Siberian Federal University, 79 Svobodny Ave., Krasnoyarsk, Russian Federation
Laboratory of Crystal Physics, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, bld. 38 Akademgorodok 50, Krasnoyarsk, Russian Federation
Department of Physics, Far Eastern State Transport University, 47 Seryshev Str., Khabarovsk, Russian Federation
Favorsky Institute of Chemistry, Siberian Branch, Russian Academy of Sciences, 1 Favorsky, Irkutsk, Russian Federation

Доп.точки доступа:
Golovnev, N. N.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Sterkhova, I. V.; Lesnikov, M. K.
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