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 Найдено в других БД:Каталог книг и брошюр библиотеки ИФ СО РАН (7)Каталог журналов библиотеки ИФ СО РАН (6)
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1.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zyryanov V. Ya., Smorgon S. L., Shabanov V. F.
Заглавие : Electro-optics of polymer dispersed ferroelectric liquid crystals
Место публикации : Ferroelectrics. - 1993. - Vol. 143, Is. 1. - P.271-276. - ISSN 00150193, DOI 10.1080/00150199308008338
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2.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zinenko V. I., Blat D. H., Aleksandrov K. S.
Заглавие : The theory of the phase transitions in the crystals MeIMeIIBX4
Место публикации : Ferroelectrics: GORDON BREACH SCI PUBL LTD, 1980. - Vol. 29, Is. 1. - P.201-204. - ISSN 0015-0193, DOI 10.1080/00150198008008480
Примечания : Cited References: 7
Аннотация: The model of the order-disorder phase transitions in crystals MeIMeIIBX4 is investigated in a mean field approximation. It is supposed in the model that group BX4 in the α-phase (D46h) moves in four-well potential.
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3.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zinenko V. I., Sofronova S. N.
Заглавие : Statistical mechanics of cation ordering in PbSc1/2Ta1/2O3 and PbSc1/2Nb1/2O3 solid solutions
Разночтения заглавия :авие SCOPUS: Statistical mechanics of cation ordering in PbSc1/2Ta 1/2O3 and PbSc1/2Nb1/2O3 solid solutions
Место публикации : Phys. Solid State: AMER INST PHYSICS, 2005. - Vol. 47, Is. 12. - P2309-2314. - ISSN 1063-7834, DOI 10.1134/1.2142896
Примечания : Cited References: 17
Предметные рубрики: PHASE-TRANSITION
PEROVSKITE
DISORDER
FERROELECTRICS
CRYSTALS
MODEL
Аннотация: A model Hamiltonian for B cation ordering (Sc-Nb(Ta)) in PbSc1/2Nb1/2O3 and PbSc1/2Ta1/2O3 solid solutions is constructed. The parameters of the model Hamiltonian are determined from the ab initio calculation within the ionic crystal model with allowance made for the deformability and the dipole and quadrupole polarizabilities of the ions. The temperatures of the phase transition due to the ordering of the B cations are calculated by the Monte Carlo method in the mean-field and cluster approximations. The phase transition temperatures calculated by the Monte Carlo method (1920 K for PbSc1/2Ta1/2O3 and 1810 K for PbSc1/2Nb1/2O3) are consistent with the experimental data (1770 and 1450 K, respectively). The thermodynamic properties of the cation ordering are investigated using the Monte Carlo method. (c) 2005 Pleiades Publishing, Inc.
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4.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zinenko V. I., Aleksandrov K. S.
Заглавие : Order-disorder type phase transitions with two-order parameters
Коллективы : International meeting on ferroelectricity
Место публикации : Ferroelectrics. - 1978. - Vol. 21. - P.503-505. - DOI 10.1080/00150197808237310
Аннотация: The model of phase transitions with two-order parameters is considered. Every order parameter is related to the ordering of radicals in a crystal. The radicals move in symmetric (asymmetric) double-well type potential above Tc . The thermodynamics of the model is discussed in a mean-field approximation.
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5.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zinenko V. I., Zamkova N. G.
Заглавие : Ab initio calculation of the ferroelectric phase transition in disordered and ordered PbSc0.5Ta0.5O3 and PbSc0.5Nd0.5O3 solid solutions with the use of a model Hamiltonian
Разночтения заглавия :авие SCOPUS: Ab initio calculation of the ferroelectric phase transition in disordered and ordered PbSc0.5Ta0.5O3 and PbSc 0.5Nd0.5O3 solid solutions with the use of a model Hamiltonian
Место публикации : J. Exp. Theor. Phys.: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2008. - Vol. 106, Is. 3. - P542-549. - ISSN 1063-7761, DOI 10.1134/S1063776108030138
Примечания : Cited References: 17
Предметные рубрики: RELAXOR FERROELECTRICS
PEROVSKITES
BATIO3
PBTIO3
Ключевые слова (''Своб.индексиров.''): approximation theory--ferroelectric materials--hamiltonians--mathematical models--monte carlo methods--phase transitions--ferroelectric phase transition--gordon-kim model--local-mode approximation--solid solutions
Аннотация: To describe the ferroelectric phase transition in ordered and disordered PbSc0.5Ta0.5O3 (PST) and PbSc0.5Nd0.5O3 (PSN) solid solutions, a model Hamiltonian is written in the local-mode approximation, in which long-range dipole-dipole and short-range interactions of local modes are taken into account. The Hamiltonian parameters are determined from the set of energies of a series of distorted structures, calculated within the nonempirical generalized Gordon-Kim model. The statistical mechanics of the systems with a model Hamiltonian is investigated by the Monte Carlo method. It is revealed that PSN solid solutions undergo a transition to the ferroelectric rhombohedral phase through an intermediate phase, existing in a narrow temperature range. PST solid solutions undergo a ferroelectric phase transition directly from the paraelectric cubic to the ferroelectric rhombohedral phase.
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6.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zeer E. P., Kubarev Yu.G., Lundin A. G.
Заглавие : On the nature of phase transition in the potassium ferrocyanide crystal family
Коллективы : International meeting on ferroelectricity
Место публикации : Ferroelectrics. - 1978. - Vol. 20, Spesial issue. - P.223-224. - DOI 10.1080/00150197808237219
Примечания : Библиогр.: 12 назв.
Аннотация: The model and statistical description of the phase transitions in LiNH4SO4 were proposed. The nmr investigation of the high pressure phase was carried out.
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7.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zamkova N. G., Zinenko V. I.
Заглавие : Monte-Carlo simulations of the phase-transitions in the RB2ZNCL4 crystal
Место публикации : Ferroelectr. Lett. Sect. - 1994. - Vol. 18, Is. 1-2. - P.1-11. - ISSN 0731-5171, DOI 10.1080/07315179408203379
Примечания : Cited References: 9
Предметные рубрики: INCOMMENSURATE
Аннотация: The model of the order- disorder phase transitions in Rb3ZnCl4 is studied. In this model BX(4) group has a four equlibrium orientations in a disordered hexagonal phase. The constants of the interaction between ordering BX(4) groups are calculated in the framework of the electrostatic model. It is shown that these constants have a competitive nature. The Monte-Carlo method is applied to study the successive phase transitions hexagonal double right arrow orthorombic double right arrow incommensurate double right arrow commensurate ferroelectric phases.
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8.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zamkova N. G., Zhandun V. S., Zinenko V. I.
Заглавие : First-principles calculations of ferroelectric properties in AA`BB`O6 double perovskites with different types of cation ordering
Место публикации : Phys. status solidi B. - 2013. - Vol. 250, Is. 9. - P.1888-1897. - ISSN 0370-1972, DOI 10.1002/pssb.201349084
Ключевые слова (''Своб.индексиров.''): density functional theory--double perovskites--ferroelectrics--polarization
Аннотация: First-principles calculations of lattice dynamics and polarization properties have been performed for double perovskite ABiBNbO6 (A - alkali metal Na, Rb, and B - trivalent metal Sc, Lu). Three possible types of A- and B-site cation ordering are studied: layer and columnar ordering of A-site cations with rocksalt ordering of B-site cations, and layer ordering of both cations. The ground state of all compounds is polar with a large value of polarization for all types of cation ordering. For some compounds we obtain spontaneous polarization of 0.7-1.0Cm-2 that is twice the BaTiO3 value. For RbBiScNbO6 the lowest-energy state has layer ordering of both A- and B-site cations, which is rare for compounds with double-perovskite structure.
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9.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zamkova N. G., Zinenko V. I., Shinkorenko A. S.
Заглавие : Effect of Ca 2+ ion substitution by the trivalent ions (Sc 3+, In 3+, La 3+, Bi 3+) on the ferroelectric instability in orthorhombic CaTiO3
Место публикации : Ferroelectrics: Special Issue: Professor Wolfgang Kleemann in honor of his 70th birthday: Taylor & Francis, 2012. - Vol. 426. - P.132-138. - ISSN 0015-0193, DOI 10.1080/00150193.2012.671657. - ISSN 1563-5112
Примечания : Cited References: 9. - This work was supported by the Russian Foundation for Basic Research (project no. 09-02-00067)
Ключевые слова (''Своб.индексиров.''): ferroelectric--polarization--lattice dynamics
Аннотация: Vibration frequencies of instable ferroelectric modes, as well as dependencies of crystal energy on ion's displacement amplitudes of these modes in doped compounds Ca1–x A x Ti1–x/4□ x /4O3 (space group Pbmn) with А–Sc3+, In3+, La3+, Bi3+ (□–vacancy) have been calculated in the framework of generalized nonparametric Gordon–Kim model. To compensate excessive positive charge the vacancies were considered to be at Ti4+ sites. Calculations were carried out in the «average» crystal approximation for the impurity concentration x = 0.25. For this purpose 40 atoms’ supercell sets with the different ordering of the heterovalent ions Ca2+ and impurity А3+ have been considered. Every type of impurity has been found to induce ferroelectric instability in doped compounds.
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10.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bagautdinov B. S., Novikova M. S., Aleksandrova I. P., Blomberg M. K., Chapuis G.
Заглавие : X-ray study of phase transitions in CS3Sb2I9 crystal
Разночтения заглавия :авие SCOPUS: X-ray study of phase transitions in Cs3Sb2I9 crystal
Место публикации : Solid State Commun.: PERGAMON-ELSEVIER SCIENCE LTD, 1999. - Vol. 111, Is. 7. - P361-366. - ISSN 0038-1098, DOI 10.1016/S0038-1098(99)00217-3
Примечания : Cited References: 4
Предметные рубрики: CS3BI2I9
Ключевые слова (''Своб.индексиров.''): ferroelectrics--x-ray scattering--phase transitions--crystal growth--ferroelectric materials--phase transitions--single crystals--thermal effects--x ray scattering--trigonal symmetry--cesium compounds
Аннотация: An X-ray study of three phase transitions (PTs) at 86, 78 and 72 K has been carried out for the trigonal modification of the Cs3Sb2I9 crystal (space group P-3m1, a = 8.460 Angstrom, c = 10.398 Angstrom). The T-c1 = 86 K PT preserves the trigonal symmetry and is associated with the doubling of the c-parameter. At T-c2 = 72 K a doubling of a and b is observed. An intermediate incommensurate phase with q(1) = 1/2c*, q(2) = (1/2 - delta)a* + 1/2c* has been detected in the temperature range of 78-72 K. The lock-in PT at 72 K has a first order character. (C) 1999 Published by Elsevier Science Ltd. All rights reserved.
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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Vtyurin A. N., Shkuryaev P. G.
Заглавие : Pcharacteristics of the lattice-dynamics of disproportionate type A2BX4 ferroelectrics
Место публикации : Izvestiya Akademii Nauk SSSR Seriya Fizicheskaya. - 1983. - Vol. 47, Is. 4. - P.727-729. - ISSN 0367-6765
Примечания : Cited References: 13
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12.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Ekimov A.A., Krylov A.S., Vtyurin A.N., Ivanenko A.A., Shestakov N.P., Goryainov S.V., Kocharova A.G.
Заглавие : Vibrational spectroscopy study of temperature and high pressure phase transition in K3WO3F3
Коллективы : IEEE International Symposium on Applications of Ferroelectrics, International Meeting on Ferroelectricity
Место публикации : The 12th International Meeting on Ferroelectricity and 18th IEEE International Symposium on Applications of Ferroelectrics (IMF-ISAF 2009): Xi'an, China, August 23-27, 2009 . - 2009. - Ст.AP-077
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13.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ekimov A. A., Krylov A. S., Vtyurin A. N., Ivanenko A. A., Shestakov N. P., Kocharova A. G.
Заглавие : Vibrational spectroscopy studies of temperature phase transitions in K 3WO3F3
Место публикации : Ferroelectrics. - 2010. - Т. 401, № 1. - P.168-172. - ISSN 0015-0193, DOI 10.1080/00150191003676280. - ISSN 1563-5112(eissn)
РИНЦ
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14.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Ershov A. A., Oreshonkov A. S., Krylov A. S., Shestakov N. P., Vtyurin A. N.
Заглавие : Vibrational spectra of PrF3 crystals
Коллективы : Russia/CIS/Baltic/Japan Symposium on Ferroelectricity, International Workshop on Relaxor Ferroelectrics
Место публикации : Joint 13th Russia/CIS/Baltic/Japan Symp. on Ferroelectricity and Int. Workshop on Relaxor Ferroelectrics (RCBJSF-IWRF 2016): book of abstracts. - 2016. - Ст.P-78
Примечания : References: 3
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Oreshonkov A. S., Krylov A. S., Shestakov N. P., Voronov V. N., Ershov A. A., Strikina E. A., Vtyurin A. N.
Заглавие : Vibrational spectra of NdF3 crystal
Место публикации : Ferroelectrics: Taylor and Francis, 2016. - Vol. 501, Is. 1. - P.15-19. - ISSN 00150193 (ISSN), DOI 10.1080/00150193.2016.1198201
Примечания : Cited References: 15. - The reported study was funded by RFBR according to the research project No. 16-32-00351 mol_a. It was partially supported by the Ministry of Education and Science of the Russian Federation and the “Krasnoyarsky regional fund of scientific support and scientific-technical activity.”
Ключевые слова (''Своб.индексиров.''): trifluorides--tysonite structure--raman spectroscopy--infrared spectroscopy
Аннотация: The vibrational spectroscopy investigation of phase transitions in NdF3 crystal is reported. Spectra were obtained in temperature range from 300 to 10 K. It has been shown that, down to 10 K, the trigonal tysonite structure of NdF3 trifluoride remains stable. © 2016 Taylor & Francis Group, LLC.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pugachev A. M., Zaytseva I. V., Krylov A. S., Malinovsky V. K., Surovtsev N. V., Borzdov Y. M., Kovalevsky V. I.
Заглавие : Uniaxial mechanical stresses and their influence on the parameters of the ferroelectric phase transition in pressure-treated barium titanate
Место публикации : Ferroelectrics: Taylor & Francis, 2017. - Vol. 508, Is. 1. - P.161-166. - ISSN 00150193 (ISSN), DOI 10.1080/00150193.2017.1289769
Примечания : Cited References: 22
Ключевые слова (''Своб.индексиров.''): batio3--second harmonic generation--residual mechanical stresses--ferroelectric phase transition
Аннотация: The dependence of the E(TO) line in Raman spectrum of a BaTiO3 powder on applied uniaxial pressure up to 14 GPa are obtained and the values of residual mechanical stresses are evaluated. The second harmonic generation technique is used to obtain the width and temperature of the cubic-to-tetragonal phase transition in the powder treated by uniaxial pressures. The interrelations between the phase transition width, temperatures, and residual mechanical stresses are established. These interrelations differ from expectations based on known hydrostatic pressure-induced effects in BaTiO3.
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Flerov I. N., Yamaguchi T., Sawada S., Горев, Михаил Васильевич, Aleksandrov K. S.
Заглавие : Thermodynamic investigations of ferroelastic phase transitions in K 2ZnCl4 and K2CoCl4
Место публикации : Journal of the Physical Society of Japan. - 1992. - Vol. 61, Is. 5. - P.1606-1608. - ISSN 0031-9015, DOI 10.1143/JPSJ.61.1606
Ключевые слова (''Своб.индексиров.''): (nh4) 2so4 family ferroelectrics--ferroelasticity--ferroelectricity--heat capacity--hydrostatic pressure--k2cocl4--k2zncl4--rb2zncl 4group ferroelectrics
Аннотация: Using the adiabatic calorimeter the heat capacity of K2ZnCl 4 and K2CoCl4 crystals was measured in temperature range 100?300 K. The entropy change for ferroelastic phase transition was estimated to be ? S=0.34 (Zn) and 0.33 (Co) JВ·mol-1K-1. The effect of hydrostatic pressure on the phase transition was investigated for both crystals.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Pogoreltsev E. I., Bogdanov E. V., Kartashev A. V., Molokeev M. S., Flerov I. N., Laptash N. M.
Заглавие : Thermal properties of (NH4)2MeF6·NH4F (Me: Ti, Sn) crystals undergoing transformation between two cubic phases
Место публикации : Ferroelectrics: Taylor and Francis, 2016. - Vol. 501, Is. 1. - P.20-25. - ISSN 00150193 (ISSN), DOI 10.1080/00150193.2016.1198659
Примечания : Cited References: 9. - The reported study was partially supported by RFBR, research project No 15-02-02009-a
Ключевые слова (''Своб.индексиров.''): phase transitions--fluorides--heat capacity--entropy--phase diagram
Аннотация: The heat capacity, thermal expansion, and T-p phase diagrams of (NH4)3TiF7 and (NH4)3SnF7 were studied in wide temperature and pressure ranges. The total excess entropies at successive Pa-3 ↔ P4/mnc ↔ 4/m (Ti) and single Pa-3 ↔ Pm-3m (Sn) phase transitions are close to each other and characteristic for the order–disorder processes. The Pm-3m cubic phase and direct Pa-3 ↔ Pm-3m transformation were found at high pressure in (NH4)3TiF7. The different sign of baric coefficients for phase transition between two cubic phases in (NH4)3TiF7 and (NH4)3SnF7 was supposed due to nonlinear phase boundary with pressure in the latter fluoride.
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gorev M. V., Bondarev V. S., Flerov I. N., Maglione M., Simon A., Sciau P., Boulos M., Guillemet-Fritsch S.
Заглавие : Thermal expansion, polarization and phase diagrams of Ba1-yBi2y/3Ti1-xZrxO3 and Ba1-yLayTi1-y/4O3 compounds
Коллективы : Russian Foundation for Basic Research [07-02-00069]; Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools [NSh-1011.2008.2]
Разночтения заглавия :авие SCOPUS: Thermal expansion, polarization and phase diagrams of Ba 1-yBi2y/3Ti1-xZrxO3 and Ba1-yLayTi1-y/4O3 compounds
Место публикации : J. Phys.: Condens. Matter: IOP PUBLISHING LTD, 2009. - Vol. 21, Is. 7. - Ст.75902. - С. P. - ISSN 0953-8984, DOI 10.1088/0953-8984/21/7/075902
Примечания : Cited References: 28. - This work was supported by the Russian Foundation for Basic Research ( project no. 07-02-00069) and the Council on Grants from the President of the Russian Federation for Support of Leading Scientific Schools ( project no. NSh-1011.2008.2).
Предметные рубрики: HEAT-CAPACITY
CERAMICS
BA(TI1-XZRX)O-3
FERROELECTRICS
BEHAVIOR
BATIO3
BATI0.65ZR0.35O3
CONDUCTIVITY
PEROVSKITES
CHEMISTRY
Ключевые слова (''Своб.индексиров.''): barium--dielectric properties--lanthanum--phase diagrams--polarization--thermal stress--zirconium--ceramic compositions--root mean squares--temperature ranges--temperature-dependent measurements--thermal expansion co-efficient--thermal-expansion properties--thermal expansion
Аннотация: The thermal expansion properties of the ceramic compositions Ba1-yLayTi1-y/4O3 (y = 0.0, 0.026, 0.036, 0.054) and Ba1-yBi2y/3Ti1-xZrxO3 (y = 0.10; x = 0.0, 0.04, 0.05, 0.10, 0.15) were determined in the temperature range 120-700 K. We report the temperature- dependent measurements of the strain, thermal expansion coefficient and the magnitude of root mean square polarization. The results obtained are discussed together with the data on the structure and dielectric properties.
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Gorev M. V., Flerov I. N., Sciau P., Guillemet-Fritsch S.
Заглавие : Thermal expansion of (Ba1-x La (x) )Ti1-x/4O3 solid solutions
Коллективы : Russian Foundation for Basic Research [07-02-00069]; Russian Federation [NSh-1011.2008.2]
Разночтения заглавия :авие SCOPUS: Thermal expansion of (Ba1 - X la x )Ti 1 - X/4O3 solid solutions
Место публикации : Phys. Solid State: MAIK NAUKA/INTERPERIODICA/SPRINGER, 2009. - Vol. 51, Is. 4. - P790-796. - ISSN 1063-7834, DOI 10.1134/S106378340904026X
Примечания : Cited References: 22. - This work was supported by the Russian Foundation for Basic Research (project no. 07-02-00069) and the Council on Grants from the President of the Russian Federation for the Support of Leading Scientific Schools of the Russian Federation (grant NSh-1011.2008.2).
Предметные рубрики: CERAMICS
BATIO3
BA(TI1-XZRX)O-3
FERROELECTRICS
CONDUCTIVITY
BEHAVIOR
SYSTEM
PHASE
HEAT
Аннотация: Deformation and the thermal expansion coefficient of ceramic samples of (Ba1 - x La (x) )Ti1 - x/4O3 solid solutions (x = 0, 0.026, 0.036, 0.054) were studied in the temperature range 120-700 K. Based on an analysis of the data obtained, the temperature-composition phase diagram is refined, and the temperature dependence of the polarization is calculated. The results are discussed in combination with the dielectric measurement data.
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