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Влияние силы взаимодействия на размерный фазовый переход в наноструктурах [Текст] / M. А. Коршунов // Упорядочение в минералах и сплавах (OMA-2008) = Ordering in Minerals and Alloys : 11th International meeting : 11 Междунар. симпозиум, 10-15 сентября 2008, п. Лоо, Россия : [труды]. - Т. 1. - С. 130-131

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

Доп.точки доступа:
Коршунов, Михаил Анатольевич; Korshunov, M. A.; "Ordering in Minerals and Alloys", international meeting(18 ; 2008 ; Sept. ; Rostov-on-Don); "Упорядочение в минералах и сплавах", международный симпозиум(11 ; 2008 ; сент. ; Лоо)
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Моделирование магнитных свойств марганцевого оксида [Text] / Аплеснин C.C., Москвин А.И. // Упорядочение в минералах и сплавах (OMA-2008) = Ordering in Minerals and Alloys : 11th International meeting : 11 Междунар. симпозиум, 10-15 сентября 2008, п. Лоо, Россия : [труды]. - Т. 1. - С. 45-47

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

Доп.точки доступа:
Аплеснин, Сергей Степанович; Aplesnin, S. S.; Москвин, Антон Иванович; "Ordering in Minerals and Alloys", international meeting(18 ; 2008 ; Sept. ; Rostov-on-Don); "Упорядочение в минералах и сплавах", международный симпозиум(11 ; 2008 ; сент. ; Лоо)
}
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Магниторезонансные исследования межслоевых взаимодействий в трехслойных пленках FeNi/Bi/ FeNi [Текст] / Патрин Г.С., Яковчук В.Ю., Еремин Е.В., Зайцев А.В. // Упорядочение в минералах и сплавах (OMA-2008) = Ordering in Minerals and Alloys : 11th International meeting : 11 Междунар. симпозиум, 10-15 сентября 2008, п. Лоо, Россия : [труды]. - Т. 2. - С. 105-108

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

Доп.точки доступа:
Патрин, Геннадий Семёнович; Patrin, G. S.; Яковчук, Виктор Юрьевич; Yakovchuk, V. Yu.; Еремин, Евгений Владимирович; Eremin, E. V.; Зайцев, А. В.; "Ordering in Minerals and Alloys", international meeting(18 ; 2008 ; Sept. ; Rostov-on-Don); "Упорядочение в минералах и сплавах", международный симпозиум(11 ; 2008 ; сент. ; Лоо)
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Фазовый переход в органической нанопленке при увеличении ее толщины [Текст] / M. А. Коршунов, И. Ерёмин // Упорядочение в минералах и сплавах (OMA-2008) = Ordering in Minerals and Alloys : 11th International meeting : 11 Междунар. симпозиум, 10-15 сентября 2008, п. Лоо, Россия : [труды]. - Т. 1. - С. 132-133

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

Доп.точки доступа:
Коршунов, Михаил Анатольевич; Korshunov, M. A.; "Ordering in Minerals and Alloys", international meeting(18 ; 2008 ; Sept. ; Rostov-on-Don); "Упорядочение в минералах и сплавах", международный симпозиум(11 ; 2008 ; сент. ; Лоо)
}
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    Micro-Raman study of cesanite (Ca2Na3(OH)(SO4)3) in chloride segregations from Udachnaya-East kimberlites / S. Grishina, S. Goryainov, A. Oreshonkov, N. Karmanov // J. Raman Spectrosc. - 2022. - Vol. 53, Is. 3 : Special Issue: GEORAMAN 2020. - P. 497-507, DOI 10.1002/jrs.6168. - Cited References: 33 . - ISSN 0377-0486. - ISSN 1097-4555
Рубрики:
CARBONATE
   IDENTIFICATION
   INSIGHTS
   APATITE
Кл.слова (ненормированные):
cesanite -- chlorides -- daughter minerals -- halite-hosted sulfate-rich melt inclusions -- kimberlites
Аннотация: Cesanite (Ca2Na3(OH)(SO4)3), a rare mineral, has been found in a few places restricted to a geothermal field and caves. We report the new occurrence of cesanite in quite different geological site—within sulfate-rich melt inclusions in chloride segregations from kimberlites of Udachnaya-East pipe (Siberia). Two halite generations: сesanite free and сesanite-bearing, were distinguished in concentrically zonal segregations according to the results of the mineral and sulfate melt inclusion study by micro-Raman spectroscopy and SEM-EDS. We have applied the Raman spectroscopy and first principles calculations to understand structural and vibrational properties of cesanite daughter mineral in polyphase sulfate inclusions. Polarized spectra provided additional information on the overlapped components of the spectral profile. The Raman spectra of cesanite in the range of OH stretching vibrations are reported for the first time. The study aims to clarify the source of the NaSCl-enrichment in the Udachnaya-East pipe, which is highly discussed.

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Держатели документа:
Russian Acad Sci, Siberian Branch, Sobolev Inst Geol & Mineral, Koptuyg Ave 3, Novosibirsk 630090, Russia.
Russian Acad Sci, Siberian Branch, Fed Res Ctr, Kirensky Inst Phys, Akademgorodok 50-38, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Svobodny Ave 82, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Grishina, Svetlana; Goryainov, Sergey; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Karmanov, Nikolay; International GeoRaman Conference(14th ; November 2 - 5, 2020 ; Bilbao, Spain)
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Modification of polycaproamide composites based on 1H,1H,13H-rihydroperfluorotridecan-1-ol and montmorillonite / S. V. Kudashev, A. A. Kondrasenko, A. N. Maiulev [et al.] // Fibre Chem. - 2022. - Vol. 53, Is. 5. - P. 291-295, DOI 10.1007/s10692-022-10287-5. - Cited References: 24 . - ISSN 0015-0541
Кл.слова (ненормированные):
Decomposition -- Nuclear magnetic resonance spectroscopy -- Macromolecular chain -- Macroradicals -- NMR-spectroscopy -- Organoclays -- Paramagnetic centers -- Polycaproamides -- Polymer composite -- Possible mechanisms -- Stabilizing effects -- X ray structure analysis -- Clay minerals
Аннотация: Modification of polycaproamide by 1H,1H,13H-trihydroperfluorotridecan-1-ol immobilized on montmorillonite produced an F-containing polymer composite. The structure of the resulting composite was investigated using x-ray structure analysis and solid-state 19F NMR spectroscopy. The polymorphous composition of this heterochain polymer was shown to reorganize to enhance its thermal stability and diminish its flammability. Possible mechanisms for the stabilizing effect of the used modifier that were related to the involvement of organo-clay paramagnetic centers in the binding of macroradicals formed during thermal decomposition of macromolecular chains were discussed.

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Держатели документа:
Volgograd State Technical University, Volgograd, Russian Federation
Institute of Chemistry and Chemical Technology, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Sebryakovskii Filial, Volgograd State Technical University, Volgograd Region, Mikhailovka, Russian Federation
L. V. Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russian Federation
I. M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russian Federation

Доп.точки доступа:
Kudashev, S. V.; Kondrasenko, A. A.; Кондрасенко, Александр Александрович; Maiulev, A. N.; Мацулев, Александр Николаевич; Babkin, V. A.; Belousova, V. S.; Andreev, D. S.; Zheltobryukhov, V. F.; Kuznetsova, N. V.
}
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Formation of noble metal phases (Pt, Pd, Rh, Ru, Ir, Au, Ag) in the process of fractional crystallization of the CuFeS2 melt / E. F. Sinyakova, I. G. Vasilyeva, A. S. Oreshonkov [et al.] // Minerals. - 2022. - Vol. 12, Is. 9. - Ст. 1136, DOI 10.3390/min12091136. - Cited References: 61. - This work was supported by the Russian Federation state assignment of Sobolev Institute of Geology and Mineralogy of SB RAS, Nikolaev Institute of Inorganic Chemistry SB RAS, and Kirensky Institute of Physics of Federal Research Center KSC SB RAS. The grant number is projects II.1.64. and 40330-2016-0001 . - ISSN 2075-163X
Кл.слова (ненормированные):
Cu-Fe-S system -- noble metals -- directional crystallization -- intermediate solid solution -- fine inclusions
Аннотация: The quasi-equilibrium directional crystallization of the melt composition (at. %): Cu 24.998, Fe 25.001, S 49.983, with Ag 0.002, Pd 0.003, Ru 0.004, Rh 0.006, and Au, Pt, Ir (each as 0.001) was carried out. The crystallized cylindrical ingot consisted of two primary zones and three secondary zones with different chemical and phase compositions. The compositions of the primary zones corresponded to high-temperature intermediate solid solution (zone I) and liquid enriched in sulfur (zone II). The compositions of the secondary zones corresponded to low-temperature intermediate solid solution and chalcopyrite (zone Ia), the same intermediate solid solution with chalcopyrite and bornite (zone Ib), and again with bornite, chalcocite, and idaite (zone II). We plotted the distribution curves of Fe, Cu, and S along the ingot, calculated the distribution coefficients of the components during directional crystallization, and clearly showed that, from the initial stoichiometric composition CuFeS2, the intermediate solid solution enriched in Fe and depleted in S is crystallized. Based on the data of directional crystallization and thermal analysis, a cross section was constructed in the intermediate solid solution-sulfide melt region of the Cu-Fe-S system. With solubility in the solid Cu-Fe sulfides lying below detection limit of scanning electron microscopy/energy-dispersive X-ray spectrometry (SEM/EDS), noble elements occurred as individual phases of a size more often <10 µm. They were identified as Ag, RuS2, PdS, Au* (an Au based alloy), (Rh, Ir, Ru)3S8, (Rh, Ir)3S8, Rh3S8, and (Cu, Fe)~2(Pt, Rh)1S~5 phases by electron microprobe. Based on ab initio calculations of crystal structure, electronic band structure, and lattice dynamics of idealized laurite RuS2 phase and the idealized Ir3S8, Rh3S8, and Ru3S8 phases, the interpretation of Raman spectrum of the cation-mixed (Ru, Rh, Ir)S2 sulfide was presented for the first time.

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Держатели документа:
V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of the Russian Academy of Sciences, pr. Akademika Koptyuga 3, Novosibirsk, 630090, Russian Federation
Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, Ac. Lavrentieva ave. 3, Novosibirsk, 630090, Russian Federation
Laboratory of Molecular Spectroscopy, Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Akademgorodok 50/38, Krasnoyarsk, 660036, Russian Federation
School of Engineering and Construction, Siberian Federal University, Krasnoyarsk, 660041, Russian Federation

Доп.точки доступа:
Sinyakova, E. F.; Vasilyeva, I. G.; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Goryainov, S. V.; Karmanov, N. S.
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    In situ X-ray diffraction study of chrysotile at high P–T conditions: transformation to the 3.65 Å phase / S. V. Goryainov, J. S. Tse, S. Desgreniers [et al.] // Phys. Chem. Miner. - 2021. - Vol. 48, Is. 10. - Ст. 36, DOI 10.1007/s00269-021-01160-8. - Cited References: 68. - This work was performed under the auspicious of the state assignment of IGM SB RAS supported by Ministry of Science and Higher Education of the Russian Federation. The Russian Foundation for Basic Research (project no.21-55-14001) is gratefully acknowledged. Authors thank S.V. Rashchenko for fruitful discussion on XRD diffraction patterns of the talc-water system. We thank SPring-8 Synchrotron Radiation Facilities and BLXU-10 beamline for providing the synchrotron beam-time. JST, SD and YP would like to thank Natural Science and Engineering Council Canada for the award of individual Discovery Grants . - ISSN 0342-1791. - ISSN 1432-2021
   Перевод заглавия: Рентгеноструктурное исследование хризотила в условиях высоких P – T: превращение в фазу 3,65 Å

РУБ Materials Science, Multidisciplinary + Mineralogy
Рубрики:
HIGH-PRESSURE STABILITY
HYDROUS MAGNESIUM SILICATES
SYSTEM MGO-SIO2-H2O MSH
Кл.слова (ненормированные):
Chrysotile -- Serpentine -- High pressure -- High temperature -- X-ray diffraction -- Synchrotron radiation
Аннотация: The behavior of chrysotile Mg3(Si2O5)(OH)4 in water medium at simultaneously high pressure and high temperature was studied by in situ synchrotron X-ray diffraction using a diamond anvil cell. In contrast to previous ‘dry’ experiments, chrysotile in water-saturated conditions undergoes two-phase transitions and exhibits higher thermal stability. At 260 °C / 3.7 GPa the initial chrysotile (phase I) transforms to the ‘chrysotile-like’ phase II, followed by the appearance of the ‘chrysotile-like’ phase III at 405 °C / 5.25 GPa. Phase III is characterized by enlarged interlayer distances, presumably resulting from the H2O intercalation into the interlayer space. During further compression, the ‘chrysotile-like’ phase III is decomposed to the 10 Å phase Mg3(Si4O10)(OH)2·xH2O, the 3.65 Å phase MgSi(OH)6, phase D, forsterite, enstatite and coesite or stishovite. The 3.65 Å phase appears at 8.8 GPa / 500 °C. The series of transformations leads to a water deficiency in the system, restricting the complete transformation from the 10 Å phase to the 3.65 Å phase. These data emphasize the crucial role of excess water in the stabilization of the high-pressure hydrous phases. The present study is the first in situ observation of sequential transformations of hydrous phases: serpentine → 10 Å phase → 3.65 Å phase, important as a potential water transport mechanism to the deep mantle.

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Держатели документа:
Russian Acad Sci, Sobolev Inst Geol & Mineral, Siberian Branch, Pr Koptyug 3, Novosibirsk 630090, Russia.
Univ Saskatchewan, Dept Phys, 116 Sci Pl, Saskatoon, SK S7N 5B2, Canada.
Univ Ottawa, Dept Phys, 150 Louis Pasteur, Ottawa, ON K1N 6N5, Canada.
Japan Synchrotron Radiat Res Inst, 1-1-1 Kouto, Sayo, Hyogo 6795198, Japan.
Univ Saskatchewan, Dept Geol Sci, 114 Sci Pl, Saskatoon, SK S7N 5E2, Canada.
Novosibirsk State Univ, Pirogov Str 1, Novosibirsk 630090, Russia.
FRC KSC SB RAS, Lab Crystal Phys, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Kemerovo State Univ, Res & Dev Dept, Kemerovo 650000, Russia.

Доп.точки доступа:
Goryainov, Sergey, V; Tse, John S.; Desgreniers, Serge; Kawaguchi, Saori, I; Pan, Yuanming; Likhacheva, Anna Yu; Molokeev, M. S.; Молокеев, Максим Сергеевич; Ministry of Science and Higher Education of the Russian Federation; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [21-55-14001]; Natural Science and Engineering Council CanadaNatural Sciences and Engineering Research Council of Canada (NSERC)
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Raman study of hydro-cancrinite compressed in an aqueous medium at high pressures and temperatures / S. V. Goryainov, A. S. Krylov, A. Y. Likhacheva [et al.] // Bull. Russ. Acad. Sci. Phys. - 2021. - Vol. 85, Is. 9. - P. 962-964, DOI 10.3103/S1062873821090112. - Cited References: 13. - This work was performed as part of a State Task for the Sobolev Institute of Geology and Mineralogy and the Kirensky Institute of Physics. It was supported by the Russian Foundation for Basic Research, project no. 21-55-14001 . - ISSN 1062-8738
Кл.слова (ненормированные):
Aluminum compounds -- Tungstate minerals -- Aqueous media -- Cancrinites -- Crystals structures -- High-pressure and temperatures -- In-situ Raman spectroscopy -- Raman studies -- Temperature rise
Аннотация: In situ Raman spectroscopy is used to study the behavior of synthetic carbonate–aluminosilicate hydro-cancrinite Na6Ca2[(OH,CO3)2 Al6Si6O24]·2H2O compressed in an aqueous medium up to 1.6 GPa at 500°C. It is found that hydro-cancrinite retains its crystal structure up to 1.5 GPa and 300°C. It then amorphizes as the temperature rises, partially dissolves, and decomposes into two main products: nepheline and a scheelite-like compound.

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Публикация на русском языке Исследование методом комбинационного рассеяния света гидроканкринита, сжатого в водной среде при высоком давлении и температуре [Текст] / С. В. Горяйнов, А. С. Крылов, А. Ю. Лихачева [и др.] // Изв. РАН. Сер. физич. - 2021. - Т. 85 № 9. - С. 1253-1256

Держатели документа:
Sobolev Institute of Geology and Mineralogy, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
Kirensky Institute of Physics, Krasnoyarsk Science Center, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation

Доп.точки доступа:
Goryainov, S. V.; Krylov, A. S.; Крылов, Александр Сергеевич; Likhacheva, A. Y.; Borodina, U. O.; Vtyurin, A. N.; Втюрин, Александр Николаевич
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10.

Application of Raman spectroscopy for identification of rinneite (K3NaFeCl6) in inclusions in minerals / S. Grishina, P. Kodera, S. Goryainov [et al.] // J. Raman Spectrosc. - 2020. - Vol. 51, Is. 12. - P. 2505-2516, DOI 10.1002/jrs.6005. - Cited References: 55. - Russian Foundation for Basic Research, Grant/Award Numbers: 18-05-00682, 18-05-00682; European Regional Development Fund, Grant/Award Number: ITMS 26240220086; Vedecka Grantova Agentura MSVVaS SR a SAV, Grant/Award Number: 1/0313/20 . - ISSN 0377-0486. - ISSN 1097-4555

РУБ Spectroscopy
Рубрики:
SALT MELT
   IRON
   DEPOSIT
   FLUIDS
   TRANSFORMATIONS
   FERRIHYDRITE
Кл.слова (ненормированные):
daughter mineral -- Fe-oxyhydroxides -- fluid inclusion -- rinneite -- weathering
Аннотация: Solid daughter phases in fluid and salt melt inclusions in minerals provide important clues to characterization of mineral‐forming processes. The analysis of the fluid inclusions often requires the exposure of the daughter minerals. Rinneite (K3NaFeCl6), which is a hygroscopic mineral, decomposes in air and cannot thus be identified by conventional methods. A combined approach has been applied for investigation of synthetic and natural rinneite to acquire its diagnostic Raman spectrum for a nondestructive identification. We used natural rinneite inclusions in halite, suitable for applying a complex of methods, to clear up the reference spectrum. Improved high‐resolution X‐ray diffraction (XRD) data obtained from natural rinneite inclusion are comparable with that of previously published, with similar unit cell dimensions. Polarized Raman spectra of natural inclusions were obtained using different geometries and polarization of the incident and scattered light. Interpretation of experimental Raman spectra was performed within the framework of lattice dynamics simulations and group analysis. Individual spectral bands are interpreted in terms of Raman‐active vibrational modes of K3NaFeCl6 structural units. Raman spectrum of synthetic rinneite with main peaks at 75, 91, 103, 143, 167, 171, 187, and 239 cm−1 agrees well with the spectra of rinneite inclusions in halite from the Nepa potash deposit and rinneite daughter minerals in salt melt inclusions hosted by quartz veinlets from the porphyry gold systems in the Central Slovakia Volcanic Field. This provides a firm basis for any future identification of this mineral worldwide, using nondestructive Raman spectroscopy.

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Держатели документа:
Russian Acad Sci, Sobolev Inst Geol & Mineral, Dept Mineral, Siberian Branch, Novosibirsk, Russia.
Comenius Univ, Dept Econ Geol, Fac Nat Sci, Bratislava, Slovakia.
Kirensky Inst Phys, Mol Spect Lab, Krasnoyarsk, Russia.
Siberian Fed Univ, Inst Engn Phys & Radio Elect, Krasnoyarsk, Russia.
Novosibirsk State Univ, Dept Geol, Novosibirsk, Russia.
Slovak Acad Sci, Inst Inorgan Chem, Bratislava, Slovakia.
Russian Acad Sci, Inst Geol Ore Deposits Petrog Mineral & Geochem, Moscow, Russia.

Доп.точки доступа:
Grishina, Svetlana; Kodera, Peter; Goryainov, Sergey; Oreshonkov, A. S.; Орешонков, Александр Сергеевич; Seryotkin, Yurii; Simko, Frantisek; Polozov, Alexander G.; Russian Foundation for Basic ResearchRussian Foundation for Basic Research (RFBR) [18-05-00682]; European Regional Development FundEuropean Union (EU) [ITMS 26240220086]; Vedecka Grantova Agentura MSVVaS SR a SAV [1/0313/20]
}
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