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1.
Ab initio and
empirical modeling of
lithium
atoms penetration into silicon / N. S. Mikhaleva [et al.]> // Comput. Mater. Sci. - 2015. -
Vol. 109
. - P. 76-83,
DOI
10.1016/j.commatsci.2015.06.024. - Cited References: 69. - The authors would like to thank the Institute of Computational Modeling SB RAS, Krasnoyarsk, Information Technology Centre Novosibirsk State University, for providing access to their computational resources. The reported study was supported by RFBR, research project No. 14-02-31071, 14-02-31309, 12-02-00640, by the Council of the President of the Russian Federation for Support of Young Scientists and Leading Scientific Schools (project No. NSh-2886.2014.2), Increase Competitiveness Program of NUST "MISiS" (No. K2-2015-033). The authors also would like to thank Prof. Stephan Irle and L.R. Moskvina for fruitful discussions and helpful ideas. . - ISSN 0927-0256
РУБ
Materials Science, Multidisciplinary
Рубрики:
LONG CYCLE LIFE
CORE-LEVEL SPECTROSCOPY
CARBON-COATED SILICON
AUGMENTED-WAVE METHOD
ION BATTERIES
MOLECULAR-DYNAMICS
INTERATOMIC POTENTIALS
ELECTRONIC-STRUCTURE
CRYSTALLINE SILICON
SI(100)2X1 SURFACE
Кл.слова (ненормированные):
Li-ion batteries
--
Silicon
--
Surface diffusion
--
Li diffusion
--
Density functional theory
--
Molecular dynamics
Аннотация:
A process of
lithium
atoms penetration into silicon (1 0 0) subsurface layers was investigated with the help of DFT method. It was shown that, while the concentration of
lithium
adatoms on reconstructed (1 0 0) silicon surface is low, the bonding energy of
lithium
atoms in the subsurface layers is smaller than the bonding energy on the surface, so
lithium
atoms are unlikely to migrate into the crystal. When the (1 0 0) silicon surface is covered by 2 layers of
lithium
, migration into the subsurface layer becomes favorable. In addition to this, the reconstruction of the surface changes to the form with symmetric dimers as the concentration increases. Thus, all possible
lithium
migration paths become energy-wise equal, so the rate of
lithium
atom transfer into silicon crystal rises. In addition to the ab initio calculations, an ad-hoc empirical interatomic potential was developed and the kinetics of
lithium
diffusion into silicon were studied. It was shown that
lithium
penetration proceeds in a layer-by-layer way with a sharp border between undoped and lithiated silicon. This is accounted for the fact that, once a tetrahedral interstice is occupied by a
lithium
atom, the migration barriers between the adjacent interstices become lower and the rate of diffusion increases. © 2015 Elsevier B.V. All rights reserved.
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Держатели документа:
L.V. Kirensky Institute of Physics SB RAS, 50 bld. 38 Akademgorodok, Krasnoyarsk, Russian Federation
Siberian Federal University, 79 Svobodny pr., Krasnoyarsk, Russian Federation
National University of Science and Technology MISiS, 4 Leninskiy pr., Moscow, Russian Federation
Доп.точки доступа:
Mikhaleva, N. S.; Михалева, Наталья Сергеевна; Visotin, M. A.; Popov, Z. I.; Попов, Захар Иванович; Kuzubov, A. A.; Кузубов, Александр Александрович; Fedorov, A. S.; Федоров, Александр Семенович
}
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2.
Acoustooptic and elastic
properties of NaBi(WO4)2 and LiBi(MoO4)2crystals / K. S. Aleksandrov [et al.]> //
Russ. Ultrason. - 1988. -
Vol. 18
,
Is. 3
. - P. 168-171 . - ISSN 0048-8828
Кл.слова (ненормированные):
Acoustooptical Devices--Materials
--
Elasticity
--
Lithium
Compounds
--
Sodium Compounds
--
Acoustooptic Properties
--
Bulk Acoustic Waves
--
Elastic Properties
--
Crystals
Аннотация:
In recent years interest has been shown in crystals with the scheelite structure (point symmetry group 4/m) as promising materials for acoustooptic devices. However, nearly all the work done so far has been on the NaBi(MoO4)2 and PbMoO4 crystals. In this paper the authors give the results of a study of the elastic and acoustooptic properties of NaBi(WO4)2 and LiBi(MoO4)2 crystals from a series of isomorphic compounds with the scheelite structure carried out in order to determine the extent of the changes in the elastic and acoustooptic properties of this series of crystals when the structural elements are changed.
Scopus
Держатели документа:
USSR Acad of Sciences, Russian Federation
Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Burkov, S. I.; Samkov, A. V.; Kholov, A.; Khafizov, S.Kh.; Shabanova, L. A.; Klevtsov, P. V.; Красноярский государственный университет
}
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3.
Aleksandrov, K. S.
Spectroscopic investigation of phase transitions in CsLiMoO//4 crystals. / K. S. Aleksandrov, Yu. N. Ivanov, A. D. Schafer> //
Ferroelectrics. - 1983. -
Vol. 55
,
Is. 1
. - P. 671-674 . - ISSN 0015-0193
Кл.слова (ненормированные):
CRYSTALS - Structure
--
MAGNETIC RESONANCE
--
SPECTROSCOPY, RAMAN
--
CESIUM
LITHIUM
MOLYBDATE
--
PHASE TRANSITIONS
--
FERROELECTRIC MATERIALS
Аннотация:
Raman and NMR spectra in cubic and two distorted phases of CsLiMoO//4 have been studied. Phase transitions in the crystal are shown to belong to order-disorder type.
Scopus
Доп.точки доступа:
Ivanov, Y. N.; Иванов, Юрий Николаевич; Schafer, A. D.; Александров, Кирилл Сергеевич; European Meeting on Ferroelectricity(5 ; 1983 ; Sept. ; 26-30 ; Malaga, Sp)
}
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4.
Aleksandrov, K. S.
Structural aspects of phase transitions in crystals / K. S. Aleksandrov> //
Ferroelectrics. - 1983. -
Vol. 53
,
Is. 1
. - P. 153-154,
DOI
10.1080/00150198408245044 . - ISSN 0015-0193
РУБ
Materials Science, Multidisciplinary + Physics, Condensed Matter
Кл.слова (ненормированные):
FERROELECTRIC MATERIALS
--
LITHIUM
COMPOUNDS - X-Ray Analysis
--
PHASE TRANSITIONS
--
CRYSTALS
Аннотация:
Modern X-ray methods obtain in a short time the complete set of structural amplitudes and solve a crystal structure at constant temperatures (or pressures) on both sides of phase transition. A review of structure investigations with the crystals having the common formula Me prime Me double prime BX//4 (Me prime , Me double prime equals Li, Na, K, Rb, Cs, NH//4 and H; BX//4**2** plus equals SO//4, SeO//4, BeF//4, ZnCl//4) is presented.
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Доп.точки доступа:
Александров, Кирилл Сергеевич; European Meeting on Ferroelectricity(5 ; 1983 ; Sept. ; 26-30 ; Malaga, Sp)
}
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5.
Alekseev, K. N.
Optical chaos in nonlinear photonic crystals / K. N. Alekseev, A. V. Ponomarev> // JETP Letters. - 2002. -
Vol. 75
,
Is. 4
. - P. 174-178,
DOI
10.1134/1.1475717. - Cited References: 34 . - ISSN 0021-3640
РУБ
Physics, Multidisciplinary
Рубрики:
POLED
LITHIUM
-NIOBATE
3RD-HARMONIC GENERATION
WAVE-GUIDES
SUPERLATTICES
CHI((2))
Аннотация:
We examine the spatial evolution of lightwaves in a nonlinear photonic crystal with a quadratic nonlinearity, when a second harmonic and a sum-frequency generation are simultaneously quasi-phase-matched. We find the conditions for a transition to Hamiltonian chaos for different amplitudes of lightwaves at the crystal boundary. (C) 2002 MAIK "Nauka/ Interperiodica".
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Держатели документа:
Univ Oulu, Dept Phys Sci, FIN-90014 Oulu, Finland
Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany
Russian Acad Sci, LV Kirensky Phys Inst, Theory Nonlinear Proc Lab, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Dept Phys, Krasnoyarsk 660041, Russia
ИФ СО РАН
Max-Planck-Inst. Physik Komplexer S., D-01187 Dresden, Germany
Theor. of Nonlinear Processes Lab., Kirensky Institute of Physics, Russian Academy of Sciences, Krasnoyarsk, 660036, Russian Federation
Department of Physics, Krasnoyarsk State University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Ponomarev, A. V.
}
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6.
Bulk acoustic waves
propagation in Li2B4O7 piezoelectric crystals under the static uniaxial mechanical pressure / K. S. Aleksandrov [et al.]> //
Proceedings of the Annual IEEE International Frequency Control Symposium / Annual frequency control symposium (54 ; 2000 ; Jun. ; 7-9 ; Kansas, MO). - 2000. - P. 214-217. - Cited References: 8 . - ISBN 01616404
Кл.слова (ненормированные):
Acoustic wave transmission
--
Acoustic wave velocity
--
Elasticity
--
Lithium
compounds
--
Mathematical models
--
Permittivity
--
Piezoelectricity
--
Pressure effects
--
Single crystals
--
Electromechanical constants
--
Piezoelectric crystal
--
Piezoelectric materials
Аннотация:
The influence of uniaxial mechanical stresses on bulk acoustic waves velocity in piezoelectric crystals Li2B4O7 has been investigated. Electromechanical constants have determined.
Scopus
Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; Turchin, P. P.; Sorokin, B. P.; Karpovich, A. A.; Nefedov, V. A.; Annual frequency control symposium(54 ; 2000 ; Jun. ; 7-9 ; Kansas, MO)
}
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7.
Effect of external
electrical field on characteristics of a Lamb wave in a piezoelectric plate / S. I. Burkova [et al.]> // Acoust. Phys. - 2010. -
Vol. 56
,
Is. 5
. - P. 644-650,
DOI
10.1134/S1063771010050088. - Cited References: 11. - The work is supported within the Russian Federation Program for Supporting Scientific Schools, grant no. NSh-1011.2008.2. . - ISSN 1063-7710
Рубрики:
ACOUSTIC-WAVES
LITHIUM
-NIOBATE
Аннотация:
The influence of a homogeneous electrical field E on the characteristics and propagation conditions of the Lamb wave in a piezoelectric crystalline plate is considered on the basis of the theory of acoustic wave propagation in piezocrystals under the effect of an external electrical field.
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Публикация на русском языке
Влияние внешнего электрического поля на характеристики волны Лэмба в пьезоэлектрической пластине [Текст] / C. И. Бурков [и др.] // Акуст. журн. - 2010. - Т. 56 № 5. - С. 606-612
Держатели документа:
[Burkova, S. I.
Zolotova, O. P.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Sorokin, B. P.] Technol Inst Superhard & New Carbon Mat, Troitsk 142190, Moscow Oblast, Russia
[Aleksandrov, K. S.] Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Доп.точки доступа:
Burkova, S. I.; Zolotova, O. P.; Sorokin, B. P.; Aleksandrov, K. S.; Александров, Кирилл Сергеевич
}
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8.
Electronic and atomic
structures of the isomers of endohedral and exohedral fullerene complexes with two
lithium
atoms / A. A. Kuzubov [et al.]> // Phys. Solid State. - 2001. -
Vol. 43
,
Is. 9
. - P. 1794-1799,
DOI
10.1134/1.1402242. - Cited References: 21 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
VIBRATION-ROTATION BANDS
INFRARED ROTATION
C-60
BUCKMINSTERFULLERENE
ION
Аннотация:
The electronic structures of all the possible isomers of endohedral and exohedral C(60) fullerene complexes with two
lithium
atoms are theoretically investigated. It is found that the electronic structures of these compounds are characterized by an impurity filled-level state determining the band gap. The location of the impurity state and, correspondingly, the band gap of the exohedral fullerene complexes depend on the coordination mode and the distance between the alkali metal ions. A similar dependence is observed for the total energy of the exohedral fullerene complex under investigation. (C) 2001 MAIK "Nauka/ Interperiodica".
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Держатели документа:
Krasnoyarsk State Tech Univ, Krasnoyarsk, Russia
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Russian Acad Sci, Inst Chem & Chem Technol, Siberian Div, Krasnoyarsk 660036, Russia
ИФ СО РАН
ИХХТ СО РАН
Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Avramov, P. V.; Аврамов, Павел Вениаминович; Ovchinnikov, S. G.; Овчинников, Сергей Геннадьевич; Varganov, S. A.; Tomilin, F. N.; Томилин, Феликс Николаевич
}
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9.
Ferroelectricity in caesium
lithium
molybdate CsLiMoO4 and related crystals CsLiWO4 and RbLiMoO4 / K. S. Aleksandrov [и др.]> //
Ferroelectrics. - 1981. -
Vol. 36
,
Is. 1
. - P. 399-402,
DOI
10.1080/00150198108218138 . - ISSN 0015-0193
Кл.слова (ненормированные):
CESIUM COMPOUNDS
--
RUBIDIUM COMPOUNDS
--
CESIUM
LITHIUM
MOLYBDATE
--
CESIUM
LITHIUM
TUNGSTATE
--
PHASE TRANSITIONS
--
RUBIDIUM
LITHIUM
MOLYBDATE
--
FERROELECTRIC MATERIALS
Аннотация:
Successive ferroelectric phase transitions were discovered in CsLiMoO//4, CsLiWO//4 and RbLiMoO//4 single crystals. Strong elastic and no dielectric anomalies were found with temperature lowering in the initial cubic phases. The phase transitions are qualitatively described as pseudoproper ferroelectric ones.
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Доп.точки доступа:
Aleksandrov, K. S.; Александров, Кирилл Сергеевич; ANISTRATOV, A. T.; Melnikova, S. V.; Мельникова, Светлана Владимировна; Klevtsov, P. V.; Kruglik, A. I.; Voronov, V. N.; Воронов, Владимир Николаевич; International meeting on ferroelectricity(5 ; 1981 ; 17-21 Aug. ; Universal Park, USA)
}
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10.
Golovnev, N.
Bridging behaviour of the 2-thiobarbiturate anion in its complexes with LiI and NaI / N. Golovnev, M. Molokeev> // Acta Crystallographica Section C Crystal Structure Communications. - 2013. -
Vol. 69
,
Pt. 7
. - P. 704-708,
DOI
10.1107/S0108270113014078 . - ISSN 0108-2701
Кл.слова (ненормированные):
2-thiobarbituric acid
--
Coordinated water
--
Dihydrates
--
Edge sharing
--
Hydrogen bonding interactions
--
Three-dimensional networks
--
Atoms
--
Complex networks
--
Hydrogen bonds
--
Ligands
--
Negative ions
--
Positive ions
--
Three dimensional
--
Lithium
Аннотация:
The structures of the LiI and NaI salts of 2-thiobarbituric acid (2-sulfanylidene-1-3-diazinane-4,6-dione, H 2TBA) have been studied. μ-Aqua-octaaquabis(μ-2- thiobarbiturato-κ2 O:O′)bis(2-thiobarbiturato-κO) tetralithium(I) dihydrate, [Li4(C4H3N 2O2S)4(H2O)9]·2H 2O, (I), crystallizes with four symmetry-independent four-coordinated LiI cations and four independent HTBA- anions. The structure contains two structurally non-equivalent LiI cations and two non-equivalent HTBA- anions (bridging and terminal). Eight of the coordinated water ligands are terminal and the ninth acts as a bridge between LiI cations. Discrete [Li4(HTBA)4(H2O)9] ·2H2O complexes form two-dimensional layers. Neighbouring layers are connected via hydrogen-bonding interactions, resulting in a three-dimensional network. Poly[μ2-aqua-tetraaqua(μ4-2- thiobarbiturato-κ4 O:O:S:S)(μ2-thiobarbiturato- κ2 O:S)disodium(I)], [Na2(C4H 3N2O2S)2(H2O) 5] n , (II), crystallizes with six-coordinated NaI cations. The octahedra are pairwise connected through edge-sharing by a water O atom and an O atom from the μ4-HTBA- ligand, and these pairs are further top-shared by the S atoms to form continuous chains along the a direction. Two independent HTBA- ligands integrate the chains to give a three-dimensional network. © 2013 International Union of Crystallography.
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Держатели документа:
Siberian State Univ, Krasnoyarsk 660041, Russia
Russian Acad Sci, Siberian Branch, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
Доп.точки доступа:
Molokeev, M. S.; Молокеев, Максим Сергеевич
}
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11.
High-capacity electrode material
BC3 for
lithium
batteries proposed by ab initio simulations / A. A. Kuzubov [et al.]> // Phys. Rev. B. - 2012. -
Vol. 85
,
Is. 19
. - Ст. 195415,
DOI
10.1103/PhysRevB.85.195415. - Cited References: 22. - We thank the Institute of Computer Modeling (Siberian Division, Russian Academy of Sciences, Russia), the Joint Supercomputer Center of the Russian Academy of Sciences, the supercomputer center of the Institute of Space and Information Technologies of the Siberian Federal University, and the supercomputer center of the Moscow State University (SKIF-MGU) for providing an opportunity to use their computers for performing all calculations. The work was supported by Russian Foundation for Basic Research Grant No. 12-02-00640-a and federal program Grant No. 1.3.2, "Scientific and pedagogical specialists in innovation Russia 2009-2013." . - ISSN 1098-0121
РУБ
Physics, Condensed Matter
Рубрики:
TRANSITION
GRAPHITE
POINTS
CARBON
Аннотация:
The absorption energy and diffusion rates of
lithium
atoms inside graphitelike boron carbide (BC3) crystal are investigated by the ab initio pseudopotential density-functionalmethod using generalized gradient approximation. It is shown that
lithium
may effectively intercalate this structure with the maximum
lithium
concentration corresponding to Li2BC3 stoichiometry, which is threefold in comparison to
lithium
in graphite. The potential barrier values for
lithium
diffusion both at low and maximum concentration are about 0.19 eV, so
lithium
atoms inside the BC3 structure can move easily. These findings suggest that boron carbide looks like a good candidate as an anode material in
lithium
ion batteries.
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Держатели документа:
[Kuzubov, Alexander A.
Eliseeva, Natalya S.
Tomilin, Felix N.] Siberian Fed Univ, Krasnoyarsk 660041, Russia
[Fedorov, Aleksandr S.
Eliseeva, Natalya S.
Tomilin, Felix N.
Avramov, Pavel V.] LV Kirenskii Inst Phys, Krasnoyarsk 660036, Russia
[Avramov, Pavel V.] Japan Atom Energy Agcy, Adv Sci Res Ctr, Tokai, Ibaraki 3191195, Japan
[Fedorov, Dmitri G.] Natl Inst Adv Ind Sci & Technol, Nanosyst Res Inst, Tsukuba, Ibaraki 3058568, Japan
Доп.точки доступа:
Kuzubov, A. A.; Кузубов, Александр Александрович; Fedorov, A. S.; Федоров, Александр Семенович; Eliseeva, N. S.; Елисеева, Наталья Сергеевна; Tomilin, F. N.; Томилин, Феликс Николаевич; Avramov, P. V.; Аврамов, Павел Вениаминович; Fedorov, D. G.
}
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12.
Investigation of structural
and physical properties of cesium-
lithium
double sulfate / K. S. Aleksandrov [и др.]> // Sov. Phys. Solid State. - 1980. -
Vol. 22
,
Is. 12
. - P. 2150-2152 ; Phys. Solid State . - ISSN 0584-5807
Кл.слова (ненормированные):
LITHIUM
COMPOUNDS
--
FERROELASTICITY
--
PHASE TRANSITIONS
--
CESIUM COMPOUNDS
Аннотация:
A study was made of the temperature dependences of the integrated intensities of the 006 and 021 x-ray reflections, deviation of the angle gamma from 90 degree , NMR of **7Li, specific heat c//p, thermal expansion, and permittivity. Moreover, the effects of hydrostatic pressure on the phase transition were studied. It was definitely established that a ferroelastic phase transition of the second kind occurs at 202. 07 degree K and this transition does not alter the number of atoms in a unit cell.
Scopus
Доп.точки доступа:
Aleksandrov, K. S.; Zherebtsova, L. I.; Iskornev, I. M.; Kruglik, A. I.; Rozanov, O. V.; Flerov, I. N.
}
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13.
Investigation of the
reconstructive phase transition between metastable (alpha) and stable (beta) modifications of the NH4LiSO4 crystal / S. V. Mel'nikova [et al.]> // Phys. Solid State. - 2003. -
Vol. 45
,
Is. 8
. - P. 1572-1578,
DOI
10.1134/1.1602898. - Cited References: 13 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
AMMONIUM
LITHIUM
-SULFATE
LINH4SO4
TEMPERATURE
Аннотация:
Crystals of ammonium
lithium
sulfate NH4LiSO4 in alpha and beta modifications are studied, and conditions of their nucleation and growth are determined. The alpha modification of NH4LiSO4 and alpha--beta phase transitions are investigated using polarized light microscopy, x-ray diffraction, and differential scanning calorimetry in the temperature range 80-530 K. It is found that, depending on the conditions of growth and storage, there exist two temperature ranges (T(alpha--beta)approximate to340-350 and approximate to440-450 K) in which the crystals can undergo an alpha--beta reconstructive phase transition. The enthalpy of this transformation depends on the symmetry of the final phase. In the former case (340-350 K), the reconstructive phase transition leads to rapid destruction of the sample. In the latter case (440-450 K), the crystal structure undergoes a slow transformation (recrystallization) without noticeable distortions. The results obtained indicate that no structural phase transition occurs in the alpha modification of NH4LiSO4 at 250 K. (C) 2003 MAIK "Nauka/Interperiodica".
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Держатели документа:
Russian Acad Sci, Siberian Div, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk 660036, Russian Federation
Доп.точки доступа:
Mel'nikova, S. V.; Мельникова, Светлана Владимировна; Kartashev, A. V.; Карташев, Андрей Васильевич; Grankina, V. A.; Flerov, I. N.; Флёров, Игорь Николаевич
}
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14.
LixAg1–xGaSe2: interplay between
lithium
and silver in mid-infrared nonlinear optical chalcogenides / L. Isaenko, L. Dong, A. Kurus [et al.]> // Adv. Opt. Mater. - 2022. -
Vol. 10
,
Is. 24
. - Ст. 2201727,
DOI
10.1002/adom.202201727. - Cited References: 37. - This work was supported by the National Natural Science Foundation of China (Grant No. 22133004), Russian Science Foundation, grant # 19‐12‐00085‐P (crystal growth, crystal structure analysis, band gap measurement) and partly done on state assignment of IGM SB RAS (composition chemical analysis) . - ISSN 2195-1071
Кл.слова (ненормированные):
chalcogenides
--
energy band gap
--
mid-IR nonlinear optical crystals
--
second harmonic generation
--
structure analysis
Аннотация:
AgGaSe2 and LiGaSe2 are two famous mid-infrared nonlinear optical (NLO) materials with similar chemical formula but different structural symmetry. The former material has relatively larger NLO effect and birefringence but rather small energy band gap, while the latter is the opposite. Aiming at achieving a good balance of NLO properties, here the substitution between silver and
lithium
ions on the evolution of structural and optical properties in a new series of LixAg1–xGaSe2 crystals is systematically investigated. It reveals that, with the increase of Li content, LixAg1–xGaSe2 almost keeps the same tetragonal symmetry with AgGaSe2 until x ≈ 0.9. The NLO effects and birefringence values vary with respect to x with the largest variation at x = 0.8–0.9. The optimal combination of birefringence (0.03–0.025) and nonlinear parameters (26–30 pm V−1) is achieved at x = 0.4–0.5. As the energy band gap increases with the increase of x, the maximal value of 2.2 eV for chalcopyrite structure suggests that the laser-induced damage threshold of LixAg1–xGaSe2 would be as large as five-fold of AgGaSe2. This study provides a good example to show that the rational substitution between Li and Ag can significantly improve the balance of NLO properties in chalcogenides.
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Держатели документа:
Novosibirsk State University, Novosibirsk, 630090, Russian Federation
Functional Crystal Lab, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
V.S. Sobolev Institute of Geology and Mineralogy, Siberian Branch of Russian Academy of Sciences, Novosibirsk, 630090, Russian Federation
University of Chinese Academy of Sciences, Beijing, 100049, China
L.V. Kirensky Institute of Physics SB RAS, Krasnoyarsk, 660036, Russian Federation
Siberian Federal University, Krasnoyarsk, 660041, Russian Federation
Доп.точки доступа:
Isaenko, L.; Dong, L.; Kurus, A.; Lin, Z.; Yelisseyev, A.; Lobanov, S.; Molokeev, M. S.; Молокеев, Максим Сергеевич; Korzhneva, K.; Goloshumova, A.
}
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15.
Magnetic phase transitions
in the double spin-chains compound LiCu2O2 / B. . Roessli [et al.]> // Physica B. - 2001. -
Vol. 296
,
Is. 4
. - P. 306-311,
DOI
10.1016/S0921-4526(00)00574-3. - Cited References: 17 . - ISSN 0921-4526
РУБ
Physics, Condensed Matter
Рубрики:
ORDERED MOMENT
COPPER
CRYSTAL
LI2CUO2
Кл.слова (ненормированные):
muon-spin rotation
--
spin ladder
--
magnetic ordering
--
LiCu2O2
--
Crystal structure
--
Lithium
compounds
--
Magnetic anisotropy
--
Magnetic field effects
--
Magnetic relaxation
--
Magnetization
--
Order disorder transitions
--
Specific heat of solids
--
X ray diffraction analysis
--
Anisotropic line broadening
--
Muon spin rotation
--
Spin ladder
--
Antiferromagnetic materials
Аннотация:
We report high-resolution X-ray diffraction, muon-spin-rotation spectroscopic and specific heat measurements in the double spin-chains compound LiCu2O2. The X-ray diffraction results show that the crystal structure of LiCu2O2 is orthorhombic down to T = 10 K. Anisotropic line-broadening of the diffraction peaks is observed, indicating disorder along the spin chains. Muon-spin relaxation and specific heat measurements show that LiCu2O2 undergoes a phase transition to a magnetic ordered state at T-1 similar to 24 K. The specific heat data exhibits a second lambda -like peak at T-2 similar to 32.5 K, which increases with increasing magnetic field in a similar way to that found in spin-ladder compounds. (C) 2001 Elsevier Science B.V. All rights reserved.
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Держатели документа:
Paul Scherrer Inst, Neutron Scattering Lab, CH-5232 Villigen, Switzerland
ETH Zurich, CH-5232 Villigen, Switzerland
Paul Scherrer Inst, Swiss Light Source, CH-5232 Villigen, Switzerland
Paul Scherrer Inst, Lab Muon Spin Spect, CH-5232 Villigen, Switzerland
Univ Lausanne, Inst Crystallog, CH-1015 Lausanne, Switzerland
RAS, SB, Inst Phys, Krasnoyarsk 660036, Russia
ИФ СО РАН
Laboratory for Neutron Scattering, Paul Scherrer Inst. and ETH Zurich, CH-5232 Villigen PSI, Switzerland
Swiss Light Source, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
Lab. for Muon-Spin Spectroscopy, Paul Scherrer Institute, CH-5232 Villigen PSI, Switzerland
Institut de Crystallographie, Universite de Lausanne, CH-1015 Lausanne, Switzerland
Institute of Physics SB RAS, 660036 Krasnoyarsk, Russian Federation
Доп.точки доступа:
Roessli, B.; Staub, U.; Amato, A.; Herlach, D.; Pattison, P.; Sablina, K. A.; Саблина, Клара Александровна; Petrakovskii, G. A.; Петраковский, Герман Антонович
}
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16.
Magneto-optical properties of
Dy3+ in oxide glasses: The origin of the magneto-optical activity of f-f transitions and its anomalous temperature dependence / A. V. Malakhovskii [et al.]> // Phys. Solid State. - 2007. -
Vol. 49
,
Is. 4
. - P. 701-707,
DOI
10.1134/S1063783407040178. - Cited References: 28 . - ISSN 1063-7834
РУБ
Physics, Condensed Matter
Рубрики:
MAGNETIC CIRCULAR-DICHROISM
FLUOROZIRCONATE ZBLAN GLASS
OPTICAL-ABSORPTION SPECTRA
DOPED SODA GLASS
SPECTROSCOPIC PROPERTIES
FLUOROBORATE GLASSES
LITHIUM
BORATE
IONS
PR3+
GADOLINIUM
Аннотация:
The temperature dependence of the absorption spectra and magnetic circular dichroism due to f-f transitions from the H-6(15/2) to F-6 (5/2) and (6)(F (7/2) + H (5/2)) states in the Dy3+ ion in (Dy2O3-P2O5-SiO2-GeO2) and (Dy2O3-La2O3-Al2O3-B2O3-SiO2-GeO2) glasses and the temperature dependence of the Faraday effect were studied. The temperature dependence of the Faraday effect caused by f-d transitions was found to differ from that of the magnetic circular dichroism due to f-f transitions. It was shown that f-f transitions occur preferentially in Dy3+ ions associated into clusters. The origin of the paramagnetic magneto-optical activity of f-f transitions was analyzed. It was shown that the contributions to this activity can differ in value and sign and that the ratio between these contributions depends on the transition type. In some cases, this difference results in an anomalous temperature dependence of the magneto-optical activity.
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Публикация на русском языке
Магнитооптические свойства Dy3+ в оксидных стеклах. Природа магнитооптической активности f-f-переходов и ее аномальной температурной зависимости [Текст] / А. В. Малаховский [et al.] // Физика твердого тела. - Санкт-Петербург : Федеральное государственное унитарное предприятие "Академический научно-издательский, производственно-полиграфический и книгораспространительский центр Российской академии наук "Издательство "Наука", 2007. - Т. 49 № 4. - С. 667-673
Держатели документа:
Russian Acad Sci, LV Kirensky Phys Inst, Siberian Div, Krasnoyarsk 660036, Russia
Krasnoyarsk State Univ, Krasnoyarsk 660041, Russia
SI Vavilov State Opt Inst, St Petersburg 192371, Russia
ИФ СО РАН
Kirensky Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russian Federation
Krasnoyarsk State University, Krasnoyarsk, 660041, Russian Federation
Vavilov State Optical Institute, Birzhevaya liniya 12, St. Petersburg, 192371, Russian Federation
Доп.точки доступа:
Malakhovskii, A. V.; Малаховский, Александр Валентинович; Isachenko, V. A.; Sukhachev, A. L.; Сухачев, Александр Леонидович; Potseluyko, A. M.; Zabluda, V. N.; Заблуда, Владимир Николаевич; Zarubina, T. V.; Edelman, I. S.; Эдельман, Ирина Самсоновна
}
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17.
Magnetooptic activity of
f-d and f-f electron transitions in Pr3+ in the glass matrix LiB3O5 / A. M. Potseluyko [et al.]> // Physica B. - 2000. -
Vol. 291
,
Is. 1-2
. - P. 89-96,
DOI
10.1016/S0921-4526(99)01869-4. - Cited References: 17 . - ISSN 0921-4526
РУБ
Physics, Condensed Matter
Рубрики:
FARADAY-ROTATION
OXIDE GLASSES
Кл.слова (ненормированные):
Faraday rotation
--
magnetooptic activity
--
praseodymium
--
Electron transitions
--
Faraday effect
--
Light absorption
--
Lithium
compounds
--
Praseodymium compounds
--
Faraday rotation
--
Transition wavelength
--
Optical glass
Аннотация:
The results of absorption, Faraday rotation and magnetic circular dichroism measurements for glasses with the composition of LiB3O5 + Pr2O3 are presented. The effective wavelength of the transition giving the main contribution to Faraday rotation in these glasses is determined. The contributions of several f-f transitions to Faraday rotation are separated and their magnetooptical activities are evaluated in comparison with the activity of the f-d transition. (C) 2000 Elsevier Science B.V. All rights reserved.
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Держатели документа:
SB RAS, LV Kirensky Phys Inst, Krasnoyarsk 660036, Russia
ИФ СО РАН
L.V. Kirensky Institute of Physics, SB RAS, 660036, Krasnoyarsk, Russian Federation
Доп.точки доступа:
Potseluyko, A. M.; Edelman, I. S.; Эдельман, Ирина Самсоновна; Zabluda, V. N.; Заблуда, Владимир Николаевич; Bolsunovskaya, O. A.; Zamkov, A. V.; Замков, Анатолий Васильевич; Parshikov, S. A.; Zaytsev, A. I.
}
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18.
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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19.
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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20.
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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