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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Heller Y. I., Popov A. K.
Заглавие : Non-linear polarization resonances in a continuum
Место публикации : Zhurnal Eksperimentalnoi Teor. Fiz.: Международная книга, 1980. - Vol. 78, Is. 2. - P.506-515. - ISSN 0044-4510
Примечания : Cited References: 20
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Lukinykh V. F., Myslivets S. A., Popov A. K., Slabko V. V.
Заглавие : 9th-order nonlinear polarization and VUV generation in HG vapor
Разночтения заглавия :авие SCOPUS: Ninth-order nonlinear polarization and vuv generation in Hg vapor
Место публикации : Appl. Phys. B. - 1984. - Vol. 34, Is. 3. - P.171-173. - ISSN 0721-7269, DOI 10.1007/BF00697511
Примечания : Cited References: 13
Ключевые слова (''Своб.индексиров.''): 42.65--42.80--light - nonlinear optical effects--vapors--mercury and amalgams
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ppatrin G. S., Volkov N. V., Petrakovskii G. A.
Заглавие : Polarization-dependent photoinduced change in antiferromagnetic-resonance of alpha-Fe2O3-Eu,Ga
Место публикации : JETP Letters. - 1990. - Vol. 52, Is. 3. - P.185-188. - ISSN 0021-3640
Примечания : Cited References: 7
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : PATRIN G. S., VOLKOV N. V., PETRAKOVSKII G. A.
Заглавие : THE PHOTOMAGNETIC POLARIZATION-DEPENDENT EFFECT IN ALPHA-FE2O3EU,GA CRYSTALS
Место публикации : Zhurnal Eksperimentalnoi Teor. Fiz.: MEZHDUNARODNAYA KNIGA, 1992. - Vol. 101, Is. 2. - P635-648. - ISSN 0044-4510
Примечания : Cited References: 13
Аннотация: The results are given of the in-depth antiferromagnetic resonance measurements on the photo-induced polarization-dependent variations of the magnetic state in hematite crystals doped with europium and gallium ions. The study of the photo-induced variation kinetics allows to find a photosensitive center to be represented in the terms of a two-well potential. The barriers separating various states are determined. The variation of the anisotropic properties with lighting is explained by the arising and disappearance of anisotropic magnetic centers in the non-equivalent crystallographic positions as a function of the optical emission polarization. The spectral studies for the photomagnetic effect are performed.
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Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Deich L. I., Ignatchenko V. A.
Заглавие : Polarization properties of elastic-waves in anisotropic disordered media
Коллективы : International Conference on Phonon Scattering in Condensed Matter
Место публикации : Phonon scattering in condensed matter: proceedings: Springer Verlag, 1993. - Vol. 112. - P.231-232. - (Springer series in solid-state sciences). - ISBN 0171-1873. - ISBN 3-540-56395-4
Примечания : Cited References: 0
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aleksandrov K. S., Prodayvoda G. T.
Заглавие : The study of elastic symmetry and anisotropy of elastic body waves in gneiss
Место публикации : Geophysical Journal International. - 1994. - Vol. 119, Is. 3. - P.715-728. - ISSN 0956-540X
Ключевые слова (''Своб.индексиров.''): anisotropy--elastic properties--elastic symmetry--elastic wave velocity--gneiss--gneiss--phase velocity--polarization--ultrasonics--europe, baltic shield
Аннотация: Describes a method for determining the effective elastic constants of anisotropic rocks from the results of ultrasonic measurements of the phase velocity of elastic body waves with arbitrary directions of the wave normal in the absence of a priori information on the texture symmetry. The proposed method has been applied to the results of ultrasonic measurements of a twice-deformed gneiss sample from the Lodogian series of the Baltic Shield. Experimental findings conform to triclinic symmetry. -from Authors
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Patrin G. S., Volkov N. V., Petrakovskii G. A.
Заглавие : Polarization-dependent photoinduced changes in magnetic-resonance parameters in alpha-fe2o3-ga,yb
Место публикации : JETP Letters. - 1995. - Vol. 61, Is. 1. - P.56-58. - ISSN 0021-3640
Примечания : Cited References: 5
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : SANDALOV I. S., HJORTSTAM O., JOHANSSON B., ERIKSSON O.
Заглавие : ORBITAL POLARIZATION IN METALLIC F-ELECTRON SYSTEMS
Разночтения заглавия :авие SCOPUS: Orbital polarization in metallic f-electron systems
Место публикации : Phys. Rev. B: AMERICAN PHYSICAL SOC, 1995. - Vol. 51, Is. 20. - P13987-14000. - ISSN 0163-1829, DOI 10.1103/PhysRevB.51.13987
Примечания : Cited References: 28
Предметные рубрики: MOTT INSULATORS
VOLUME COLLAPSE
CERIUM
LOCALIZATION
TRANSITION
PHASES
MODEL
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Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Melnikova S. V., Vasiliev A. D., Grankina V. A., Voronov V. N., Aleksandrov K. S.
Заглавие : Optical and X-ray studies of mixed crystals CsxRb1-xLiSO4
Коллективы : Russian-Japanese symposium on ferroelectricity
Место публикации : Ferroelectrics: Proceedings of the 1994 5th Russian-Japanese Symposium on Ferroelectricity. Part 2 (of 2) (22 August 1994 through 27 August 1994, Moscow, Russia. - 1995. - Vol. 170, Is. 1. - P.139-143. - ISSN 0015-0193
Ключевые слова (''Своб.индексиров.''): birefringence--cesium compounds--differential scanning calorimetry--phase diagrams--phase transitions--polarization--single crystals--solid solutions--thermal effects--twinning--x ray analysis--mixed crystals--ferroelectric materials
Аннотация: (T-x) phase diagram has been investigated by polarizing optic and birefringence methods, differential scanning calorimetry and X-ray study. A small amount of rubidium in CsLiSO4 as well as cesium in RbLiSO4 reduces the temperature of transition into ferroelastic phase P1121/n which disappear for x?0.15 and x?0.9. The region of phase P21/c11 (c = 2c0) expands and becomes the most stable below ambient temperature for 0.9>x>0.2.
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10.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Zyryanov V. Ya., Smorgon S. L., Presnyakov V. V., Shabanov V. F.
Заглавие : A device to control polarization and intensity of laser radiation
Коллективы : Russian-Chinese symposium on laser physics and laser technology
Место публикации : Proceedings of the Third Russian-Chinese symposium on laser physics and laser technology. - 1996. - P.98-99

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11.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Roessli B., Fak B., FernandezDiaz M. T., Sablina K. A., Petrakovskii G. A.
Заглавие : Polarization analysis of spin waves in Bi2CuO4
Коллективы : European Conference on Neutron Scattering
Место публикации : Physica B. - 1997. - Vol. 234. - P.726-727. - ISSN 0921-4526, DOI 10.1016/S0921-4526(96)01129-5
Примечания : Cited References: 7
Предметные рубрики: MAGNETIC-PROPERTIES
Ключевые слова (''Своб.индексиров.''): spin waves--polarization analysis
Аннотация: By means of inelastic neutron scattering, we show that there are two non-degenerate branches of magnetic excitations in Bi2CuO4. The polarization of the magnons is obtained from the magnetic field dependence of the dynamical susceptibility and by using polarization analysis.
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12.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Aver'yanov E. M.
Заглавие : Spectral properties of calamitic and discotic nematics, associated with the difference in their local symmetry
Место публикации : Journal of Optical Technology (A Translation of Opticheskii Zhurnal). - 1998. - Vol. 65, Is. 7. - P.515-523. - ISSN 1070-9762
Ключевые слова (''Своб.индексиров.''): crystal symmetry--light absorption--light polarization--resonance--calamitic nematics--discotic nematics--nematic liquid crystals
Аннотация: This paper discusses how the features of the local symmetry of calamitic and discotic nematic liquid crystals, the orientational ordering of the molecules, the polarization of intramolecular transitions, and the resonance intermolecular interactions (local-field effects) affect the polarized absorption spectra of these objects. It is shown that the difference of the local symmetry of calamitic and discotic nematics manifests itself in observable qualitative differences in their spectral properties. The published (controversial) experimental data are explained. В© 1998 The Optical Society of America.
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13.

Вид документа : Статья из сборника (однотомник)
Шифр издания :
Автор(ы) : Presnyakov V. V., Vetoshkin S. A., Zyryanov V. Ya., Shabanov V. F.
Заглавие : Polarization-selective light midulation by planar oriented PDChLC films
Коллективы : "Advanced Display Technologies", International Symposium
Место публикации : 7th International Symposium "Advanced Display Technologies": proceedings. - 1998. - P.62-65
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14.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Ovchinnikov S. G.
Заглавие : Application of synchrotron radiation to the study of magnetic materials
Место публикации : Uspekhi Fiz. Nauk: MEZHDUNARODNAYA KNIGA, 1999. - Vol. 169, Is. 8. - P.869-887. - ISSN 0042-1294
Примечания : Cited References: 93
Предметные рубрики: X-RAY-SCATTERING
RESONANCE EXCHANGE SCATTERING
RARE-EARTH-METALS
CIRCULAR-DICHROISM
VALENCE STATES
CO/PD(111) MULTILAYERS
ABSORPTION-SPECTRA
PHASE-TRANSITIONS
SPIN POLARIZATION
EDGE STRUCTURE
Аннотация: The recent results of the studies of magnetic materials using synchrotron irradiation are reviewed. The influence of magnetic effects on X-ray scattering is studied for linearly and circularly polarized photons, and effects of magnetic circular dichroism on the spectra of X-ray absorption and photoelectron emission are discussed. It is shown that X-ray magnetooptics techniques provide fine details of crystal and magnetic structures and also make it possible to separate the spin and orbital contributions to the total moment; to obtain element- and position-sensitive information on the magnetic properties of the material; to visualize domains and domain walls; and to probe magnetization reversal dynamics. A comparison of magnetic neutron and X-ray methods is given.
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15.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Patrin G. S., Volkov N. V.
Заглавие : Polarization-dependent photoinduced change of magnetic state in alpha-Fe2O3 : Ga, Yb crystals
Разночтения заглавия :авие SCOPUS: Polarization-dependent photoinduced change of magnetic state in α:-Fe2O3:Ga, Yb crystals
Место публикации : J. Phys.: Condens. Matter: IOP PUBLISHING LTD, 2000. - Vol. 12, Is. 8. - P.1867-1872. - ISSN 0953-8984, DOI 10.1088/0953-8984/12/8/329
Примечания : Cited References: 11
Аннотация: The experimental investigation of the polarization-dependent photoinduced changes of the magnetic state in the haematite crystals doped with ytterbium and gallium ions is presented. The method of antiferromagnetic resonance was used. A detailed study of the kinetics and temperature changes of the photoinduced shift of the magnetic resonance field is made.
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16.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Mel'nikova S. V., Misyul' S. V., Bovina A. F., Afanas'ev M. L.
Заглавие : Polarization-optical and X-ray diffraction investigations on the symmetry of distorted phases of ammonium cryolite (NH4)(3)ScF6
Место публикации : Phys. Solid State: AMER INST PHYSICS, 2000. - Vol. 42, Is. 2. - P345-349. - ISSN 1063-7834, DOI 10.1134/1.1131210
Примечания : Cited References: 12
Предметные рубрики: TRANSITIONS
Аннотация: Single-crystal plates of different sections of the (NH4)(3)ScF6 crystal have been investigated by polarization-optical microscopy and X-ray diffraction over a wide temperature range, including the temperatures of two known phase transitions and the third transition found recently. It is established that the symmetry of phases changes in the following sequence: O-h(5) - Fm3m (Z = 4) ↔ C-2h(5) - P12(1)/n1 (Z = 2)↔ C-2h(3) -I12/m1 (Z = 16) ↔ C-i(1) - I (l) over bar (Z = 16). (C) 2000 MAIK "Nauka/Interperiodica".
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17.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Nasluzov V. A., Rivanenkov V. V., Gordienko A. B., Neyman K. M., Birkenheuer U., Rosch N.
Заглавие : Cluster embedding in an elastic polarizable environment: Density functional study of Pd atoms adsorbed at oxygen vacancies of MgO(001)
Место публикации : J. Chem. Phys.: AMER INST PHYSICS, 2001. - Vol. 115, Is. 17. - P8157-8171. - ISSN 0021-9606, DOI 10.1063/1.1407001
Примечания : Cited References: 88
Предметные рубрики: TRANSITION-METAL ATOMS
AB-INITIO
OXIDE SURFACES
ELECTRONIC-PROPERTIES
ENERGY CALCULATIONS
MOLECULAR-DYNAMICS
MOTT-LITTLETON
MADELUNG FIELD
IONIC-CRYSTAL
MGO
Ключевые слова (''Своб.индексиров.''): atoms--binding energy--computer simulation--electron energy levels--electronic structure--magnesia--oxygen--palladium--polarization--probability density function--quantum theory--relaxation processes--charged defects--cluster embedding--elastic polarizable environment--electron affinity--oxygen vacancies--adsorption
Аннотация: Adsorption complexes of palladium atoms on F-s, F-s(+), F-s(2+), and O2- centers of MgO(001) surface have been investigated with a gradient-corrected (Becke-Perdew) density functional method applied to embedded cluster models. This study presents the first application of a self-consistent hybrid quantum mechanical/molecular mechanical embedding approach where the defect-induced distortions are treated variationally and the environment is allowed to react on perturbations of a reference configuration describing the regular surface. The cluster models are embedded in an elastic polarizable environment which is described at the atomistic level using a shell model treatment of ionic polarizabilities. The frontier region that separates the quantum mechanical cluster and the classical environment is represented by pseudopotential centers without basis functions. Accounting in this way for the relaxation of the electronic structure of the adsorption complex results in energy corrections of 1.9 and 5.3 eV for electron affinities of the charged defects F-s(+) and F-s(2+), respectively, as compared to models with a bulk-terminated geometry. The relaxation increases the stability of the adsorption complex Pd/F-s by 0.4 eV and decreases the stability of the complex Pd/F-s(2+) by 1.0 eV, but it only weakly affects the binding energy of Pd/F-s(+). The calculations provide no indication that the metal species is oxidized, not even for the most electron deficient complex Pd/F-s(2+). The binding energy of the complex Pd/O2- is calculated at -1.4 eV, that of the complex Pd/F-s(2+) at -1.3 eV. The complexes Pd/F-s and Pd/F-s(+) exhibit notably higher binding energies, -2.5 and -4.0 eV, respectively; in these complexes, a covalent polar adsorption bond is formed, accompanied by donation of electronic density to the Pd 5s orbital. (C) 2001 American Institute of Physics.
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18.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Bulgakov E. N., Sadreev A. F.
Заглавие : Spin polarization in quantum dots by radiation field with circular polarization
Место публикации : JETP Letters. - 2001. - Vol. 73, Is. 10. - P.505-509. - ISSN 0021-3640, DOI 10.1134/1.1387515
Примечания : Cited References: 25
Предметные рубрики: 2-DIMENSIONAL ELECTRON-GAS
RANDOM MAGNETIC-FIELD
ORBIT INTERACTION
TRANSPORT
BARRIERS
MAGNETORESISTANCE
PHASE
Аннотация: For circular quantum dot (QD), taking into account the Razhba spin-orbit interaction (SOI), an exact energy spectrum is obtained. For a small SOI constant, the eigenfunctions of the QD are found. It is shown that the application of a radiation field with circular polarization removes the Kramers degeneracy of the QD eigenstates. Effective spin polarization of electrons transmitted through the QD owing to a radiation field with circular polarization is demonstrated. (C) 2001 MAIK "Nauka/Interperiodica".
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19.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zinenko V. I., Zamkova N. G., Sofronova S. N.
Заглавие : The structural properties of RbMnX3 (X=F, Cl, Br) halides
Разночтения заглавия :авие SCOPUS: The structural properties of RbMnX3 (X = F, Cl, Br) halides
Место публикации : J. Exp. Theor. Phys.: AMER INST PHYSICS, 2003. - Vol. 96, Is. 4. - P747-756. - ISSN 1063-7761, DOI 10.1134/1.1574547
Примечания : Cited References: 15
Предметные рубрики: POLARIZATION
SYSTEMS
Ключевые слова (''Своб.индексиров.''): crystals--formability--hydrostatic pressure--ions--phase transitions--polarization--rubidium compounds--cubic structures--hexagonal structures--quadrupole polarizabilities--structural properties--halogen compounds
Аннотация: The results of nonempirical calculation of energies of three polytypes (cubic, two-layer hexagonal, and six-layer hexagonal) are given for RbMnX3 (X=F, Cl, Br) crystals. The calculation is performed using an ionic crystal model with regard for the deformability and the dipole and quadrupole polarizabilities of ions. The behavior of these crystals under the action of hydrostatic pressure is studied. It is demonstrated that, at normal pressure, the RbMnCl3 and RbMnBr3 crystals have a six-layer hexagonal structure. At pressures above 11 kbar, RbMnCl3 passes to a phase with a cubic structure; RbMnBr3 at pressures above 90 kbar passes to a phase with a two-layer hexagonal structure. The RbMnF3 crystal under normal conditions has a cubic structure and experiences no phase transformations under the effect of pressure. The obtained results are in satisfactory agreement with the known experimental data. (C) 2003 MAIK "Nauka/Interperiodica".
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20.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Starikov A. A., Yakimenko I. I., Berggren K. F.
Заглавие : Scenario for the 0.7-conductance anomaly in quantum point contacts
Место публикации : Phys. Rev. B: AMERICAN PHYSICAL SOC, 2003. - Vol. 67, Is. 23. - Ст.235319. - ISSN 1098-0121, DOI 10.1103/PhysRevB.67.235319
Примечания : Cited References: 23
Предметные рубрики: 2-DIMENSIONAL ELECTRON-GAS
SPIN POLARIZATION
CONDUCTANCE
WIRES
STATE
Аннотация: Effects of spontaneous spin polarization in quantum point contacts (QPC's) are investigated for a realistic semiconductor device structure using the Kohn-Sham local spin-density formalism. At maximal polarization in the contact area, there is a bifurcation into ground-state and metastable solutions. The conduction associated with the metastability is lower than for the normal state. With increasing temperature, the conductance should therefore show an anomalous behavior as observed. For the present device we do not recover resonance or quasibound states.
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