Physics of the Solid State (PHYS SOLID STATE+ )

Publisher: American Institute of Physics; American Institute of Physics. Online Journal Publishing Service, Springer Verlag


Presents the latest results from Russiaís leading researchers in condensed matter physics at the Russian Academy of Sciences and other prestigious institutions. Covers all areas of solid state physics including solid state optics, solid state acoustics, electronic and vibrational spectra, phase transition, ferroelectricity, magnetism, and superconductivity. Also presents review papers on the most important problems in solid state physics today. TOPICS COVERED: Metals and superconductors (both classic and high-Tc), semiconductors and dielectrics, solid state excitations, ferroelectrics and related materials, magnetic materials, phase transitions, mechanical properties and dislocations, point defects, thermal properties, diffusion, thin films, surfaces and interfaces, low-dimensional systems, polymers and liquid crystals, atomic clusters and fullerenes.

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  • Other titles
    Fizika tverdogo tela., Physics of the solid state
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    Document, Periodical, Internet resource
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    Internet Resource, Computer File, Journal / Magazine / Newspaper

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Springer Verlag

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Publications in this journal

  • [Show abstract] [Hide abstract]
    ABSTRACT: The charge state of iron in the La1/3Sr2/3FeO3 – δ perovskite has been studied using Mössbauer spectroscopy. It has been found that, as the temperature decreases in the range of 200–162 K, the charge dis�proportionation occurs according to the scheme 3Fe11/3+ 2Fe3.5+ + Fe4+ and the antiferromagnetic phase is formed. The charge disproportionation is due to condensation of hole bipolarons. Each of bipolarons is collectivized by a group of three ions. The collectivization occurs according to the scheme [3Fe3+–2L] =[2Fe3+–L] + [Fe3+–L]. Simultaneously, the energy gap is formed with the maximum width of 0.14 ± 0.02 eV determined by Mössbauer spectroscopy.
    Physics of the Solid State 12/2014; 56(12):2519–2523.
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    ABSTRACT: The modification of graphite used in diamond synthesis with low concentrations of the fullerene C60-C70 extract (from 0.045 to 0.225 wt % of graphite mass) in the presence of a Ni-Mn metal catalyst at a pressure of 5 GPa in the temperature range 1600–1800 K is found to decrease the activation energy of the graphite-diamond phase transition from 160 ± 40 to 100 ± 40 kJ/mol.
    Physics of the Solid State 08/2014; 56(8):1622-1625.
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    ABSTRACT: The discovery of quasicrystals played a revolutionary role in the condensed matter science and forced to renounce the dogma of the classical crystallography that the regular filling of the space by identical blocks is reduced solely to the Fedorov space groups. It is shown that aperiodic crystals, apart from the similarity, exhibit the self-inversion property. In a broadened sense, the self-inversion implies the possible composition of the inversion with translations, rotations, and homothety, whereas pure reflection by itself in a circle can be absent as an independent symmetry element. It is demonstrated that the symmetry of aperiodic tilings is described by Schottky groups (which belong to a particular type of Kleinian groups generated by the linear fractional Möbius transformations); in the theory of aperiodic crystals, the Schottky groups play the same role that the Fedorov groups play in the theory of crystal lattices. The local matching rules for the Penrose fractal tiling are derived, the problem of choice of the fundamental region of the group of motions of a quasicrystal is discussed, and the relation between the symmetry of aperiodic tilings and the symmetry of constructive fractals is analyzed.
    Physics of the Solid State 08/2014; 56(8):1706-1716.
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    ABSTRACT: Growth kinetics of graphene and graphite layers on the surface of carbon-saturated rhenium has been investigated. The experimental data agree well with the results of the mathematical analysis of diffusion processes in the metal bulk with the participation of carbon atoms and the subsequent precipitation of carbon on the surface. It has been established that graphene layers of rigorously specified thickness in the range of 1–50 layers can be grown on metal in the temperature range of 1300–1500 K.
    Physics of the Solid State 08/2014; 56(8):1700-1705.
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    ABSTRACT: Abstract—A broad spectrum of physicomechanical properties of VT1�0 nanocrystalline titanium produced by cryomechanical fragmentation of the grain structure using rolling at a temperature close to liquid�nitrogen temperature has been studied. The mechanism of grain refinement has been associated with grain fragmen� tation by twins. Exactly the twin nature of internal interfaces (crystallite boundaries) provides the thermal and structural stability of nanocrystalline titanium produced by cryomechanical grain fragmentation in the tem� perature range to ~500 K. It has been assumed that the observed decrease in the titanium density due to cry� orolling is associated with a number of factors (high density of introduced dislocations, nanopore formation, and changes in titanium lattice parameters).
    Physics of the Solid State 08/2014; Vol. 56(No. 8):1590–1596.
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    ABSTRACT: The heat capacity and the permittivity of multiferroics Bi1 − x Gd x FeO3 (x = 0, 0.05, 0.10, 0.15, 0.20) have been studied in the temperature range 130–800 K. It has been found that insignificant substitution of gadolinium for bismuth markedly shifts the temperature of antiferromagnetic phase transition and increases the heat capacity over a wide temperature range. It has been shown that the temperature dependence of the excess heat capacity is due to the manifestation of three-level states. Additional anomalies characteristic of the phase transitions have been revealed in the temperature dependences of the heat capacity for the compositions with x = 0.1 and 0.15 at T ≈ 680 K and T ≈ 430 K, respectively. The results of studies of the heat capacity have been discussed simultaneously with the data of structural studies.
    Physics of the Solid State 07/2014; 56(7):1412-1415.
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    ABSTRACT: The structures of chromium-containing cluster centers in forsterite laser crystals Mg2SiO4 : Cr and Mg2SiO4 : Cr : Li have been simulated using the interatomic potential method. A system of position-dependent parameters of interatomic interaction potentials in forsterite has been developed. In the ionic approximation, this system adequately describes the structure, properties, and defects of the crystal with correct representation of the preferred positional arrangement of chromium ions. The preferred mechanisms of chromium dissolution in forsterite crystals have been evaluated from a comparison of the energies of formation of chromium-containing clusters with different configurations. It has been demonstrated that the results of the simulation of interatomic interaction potentials are consistent with the experimental data obtained from electron paramagnetic resonance and optical spectroscopy studies.
    Physics of the Solid State 07/2014; 56(7):1379-1390.
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    ABSTRACT: By the example of several typical thermally activated processes in atomic clusters, organic molecules, and nanostructures, it is shown that calculations of the corresponding pre-exponential factors in the Arrhenius law according to the Vineyard formula are in good agreement with the molecular dynamics simulation data for temperature dependences of characteristic times of these processes. This "static" approach (together with the determination of the activation energy through the examination of the potential energy hypersurface) provides information on kinetic characteristics of the system without resorting to numerical simulation of the time evolution, which requires large computer resources.
    Physics of the Solid State 06/2014; 56(6).
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    ABSTRACT: The electron paramagnetic resonance (EPR) spectra of Ce3+ ions in single crystals of yttrium alu� minum garnet have been investigated. It has been found that, in addition to the usually observed EPR signals of Ce3+ ions located in the regular environment at dodecahedral sites of the crystal lattice, the spectra contain a group of less intense anisotropic lines with g�factors close to the corresponding parameters of Ce3+ ions in the regular environment. It has been concluded that the observed satellite lines belong to the family of Ce3+ ions in the immediate vicinity of which there are permutation defects that lead to a change in the strength and symmetry of the crystal field in the vicinity of the paramagnetic center.
    Physics of the Solid State 06/2014; 56(6):1150-1156.