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Publisher: AIP   (Total: 27 journals)   [Sort by number of followers]

Showing 1 - 27 of 27 Journals sorted alphabetically
Acoustics Today     Hybrid Journal   (Followers: 8)
AIP Advances     Open Access   (Followers: 10, SJR: 0.472, CiteScore: 1)
AIP Conference Proceedings     Full-text available via subscription   (Followers: 4)
American J. of Physics     Full-text available via subscription   (Followers: 53, SJR: 0.456, CiteScore: 1)
APL Bioengineering     Open Access  
APL Materials     Open Access   (Followers: 14, SJR: 1.63, CiteScore: 4)
APL Photonics     Open Access   (Followers: 1)
Applied Physics Letters     Hybrid Journal   (Followers: 39, SJR: 1.382, CiteScore: 3)
Applied Physics Reviews     Hybrid Journal   (Followers: 10, SJR: 4.156, CiteScore: 12)
Biointerphases     Open Access   (Followers: 1, SJR: 0.558, CiteScore: 2)
Biomicrofluidics     Open Access   (Followers: 5, SJR: 0.592, CiteScore: 2)
Chaos : An Interdisciplinary J. of Nonlinear Science     Hybrid Journal   (Followers: 3, SJR: 0.716, CiteScore: 2)
Chinese J. of Chemical Physics     Hybrid Journal   (Followers: 1, SJR: 0.24, CiteScore: 1)
J. of Applied Physics     Hybrid Journal   (Followers: 81, SJR: 0.739, CiteScore: 2)
J. of Chemical Physics     Hybrid Journal   (Followers: 34, SJR: 1.252, CiteScore: 2)
J. of Laser Applications     Full-text available via subscription   (Followers: 13, SJR: 0.741, CiteScore: 2)
J. of Mathematical Physics     Hybrid Journal   (Followers: 23, SJR: 0.644, CiteScore: 1)
J. of Physical and Chemical Reference Data     Hybrid Journal   (Followers: 3, SJR: 1.046, CiteScore: 3)
J. of Renewable and Sustainable Energy     Hybrid Journal   (Followers: 13, SJR: 0.44, CiteScore: 1)
Low Temperature Physics     Hybrid Journal   (Followers: 6, SJR: 0.264, CiteScore: 1)
Physics of Fluids     Hybrid Journal   (Followers: 38, SJR: 1.19, CiteScore: 3)
Physics of Plasmas     Hybrid Journal   (Followers: 8, SJR: 0.576, CiteScore: 1)
Physics Today     Hybrid Journal   (Followers: 81, SJR: 0.66, CiteScore: 1)
Review of Scientific Instruments     Hybrid Journal   (Followers: 20, SJR: 0.585, CiteScore: 1)
Scilight     Full-text available via subscription  
Structural Dynamics     Open Access   (Followers: 5, SJR: 1.625, CiteScore: 4)
Surface Science Spectra     Hybrid Journal   (Followers: 1, SJR: 0.416, CiteScore: 1)
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Low Temperature Physics
Journal Prestige (SJR): 0.264
Citation Impact (citeScore): 1
Number of Followers: 6  
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1063-777X - ISSN (Online) 1090-6517
Published by AIP Homepage  [27 journals]
  • Dislocation mechanisms of low-temperature acoustic relaxation in iron
    • Authors: V. D. Natsik, Yu. A. Semerenko
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 551-567, May 2019.
      An integrated approach to the study of the mechanisms of low-temperature dislocation relaxation during low-temperature cyclic deformations of crystalline materials has been developed and tested. The approach is based on the combined use of experimental methods of mechanical spectroscopy in wide frequency-temperature ranges and theoretical methods of statistical and thermoactivation analysis of experimental results. The efficiency of this approach was demonstrated by studying low-temperature relaxation resonances in iron crystals whose dislocation structure was varied by preliminary plastic deformation. In this study, the previous mechanical spectroscopy results for iron in the temperature range of 4 K 
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:44Z
      DOI: 10.1063/1.5097366
  • Structure and properties of Ar–Kr solid solutions
    • Authors: A. A. Solodovnik, N. S. Mysko-Krutik
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 545-550, May 2019.
      The transmission electron diffraction technique has been used to explore in detail solid argon-krypton solutions in a temperature range of 5–44 K. Specimens were prepared in situ by depositing the gaseous mixture on a base at temperatures 5 and 20 K. The structure of the Ar–Kr alloys was found to correspond to the face-centered cubic lattice in the entire range of reciprocal concentrations. In the concentration range of 50–70 mol % Ar, separation of the solution into two phases has been observed. The regions where solid argon-krypton solutions exist have been determined. Kinetics of relaxation processes stimulated by annealing the specimens has been studied. Conclusions regarding character of the Ar–Kr system state diagram have been made using the analysis of experimental data.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:40Z
      DOI: 10.1063/1.5097365
  • Investigation of the low-temperature mechanical behavior of elastomers and
           their carbon nanotube composites using microindentation
    • Authors: L. S. Fomenko, S. V. Lubenets, V. D. Natsik, A. I. Prokhvatilov, N. N. Galtsov, Q. Q. Li, V. Koutsos
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 568-576, May 2019.
      The micromechanical properties of epoxy resin elastomers and their carbon nanotube composites were studied using a microhardness tester equipped with low-temperature chamber. X-ray diffraction analysis indicated that all specimens were free of any crystalline components and were amorphous with only short-range order domains. The Vickers microhardness of all samples has been estimated in the temperature range 230–300 K. The measurements demonstrated that at room temperature these materials are elastomers (notably, they are in high-elastic state) and on cooling in the range of 250–270 K the glass transition takes place. Analysis of the temperature dependence of microhardness suggested that the thermomechanical and relaxation properties of the materials studied are consistent with a rheological model of a standard linear solid where the relaxation time (or viscosity) depends exponentially on the temperature in accordance with the Arrhenius equation for the rate of thermally activated process. Empirical estimates for the nonrelaxed and relaxed Young’s moduli and also for the activation energy (U = 0.75 eV) and the period of attempts (τ0 = 10–12 s) of the molecular process which determines the relaxation properties and the glasstransition of the materials have been obtained. The addition of carbon nanotubes into elastomeric epoxy resin had no effect on its micromechanical characteristics as measured by the microhardness tester. It is shown that the conventional microindentation method is an efficient tool of investigating the thermomechanical properties of elastomers nearby and below the glass transition temperature.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:38Z
      DOI: 10.1063/1.5097367
  • On the response function of a degenerate Bose gas
    • Authors: V. B. Bobrov
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 577-580, May 2019.
      The space-time density-density response function for degenerate ideal Bose gas is considered. On this basis, it is shown that upon exposure to a weak external field, a space-time wave of average non-uniform density fluctuation is formed in the ideal Bose gas, within the limit of strong degeneracy, which decays only in time in an exponential manner.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:38Z
      DOI: 10.1063/1.5097368
  • Electromagnetic grazing anomalies. Energy flux extrema
    • Authors: A. V. Kats
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 524-530, May 2019.
      The diffraction of electromagnetic waves at the surface periodic structures accompanied by strong anomalous effects in different diffraction orders is considered in detail for high-contrast interfaces. We restrict discussion by the transverse magnetic polarization of the incident wave (the magnetic field is orthogonal to the plane of incidence) and the simplest geometry when the plane of incidence is orthogonal to the grating grooves. The most attention is devoted to the strong maxima and minima of the energy flux density accompanying specific grazing propagation of some diffraction order. Relation to other anomalies, both Rayleigh and the resonance ones is discussed as well.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:36Z
      DOI: 10.1063/1.5097362
  • Features of the magnon system response to the “spin echo”
    • Authors: A. A. Zvyagin
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 518-523, May 2019.
      The response of a magnetic system, in which the projection of the total spin moment parallel to the external magnetic field is not conserved, to a sequence of the field pulses resembling a spin echo. The amplitude and frequency of the induced magnetization oscillations have a significant nonlinear dependence on the field pulse parameters.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:31Z
      DOI: 10.1063/1.5097361
  • Microscopic analysis of heat transfer in I1/N/I2 heterogeneous
           nanostructures at low temperatures
    • Authors: A. I. Bezuglyj, V. A. Shkovskij, R. V. Vovk, I. V. Mironenko
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 537-544, May 2019.
      A kinetic approach to analytically considering the lateral heat transfer through a metal layer located between two massive dielectrics. The effective transverse thermal conductivity of such a layered system with an arbitrary thickness of the metal layer is calculated, and the thicknesses at which the size effect is manifested in thermal conductivity, are found. The transverse heat transfer is also analyzed using the phenomenological two-temperature (2TM) model, i.e. in terms of electron and phonon temperatures. Comparing the results of 2TM and the microscopic approach allows us to find out the conditions under which the frequently used two-temperature approach is not applicable.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:12Z
      DOI: 10.1063/1.5097364
  • Torsion studies of relaxation magnetic effects in C60 fullerite in
           magnetic field
    • Authors: J. G. Chigvinadze, S. M. Ashimov, A. V. Dolbin
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 531-536, May 2019.
      Highly sensitive torsion technique was used in dynamic low-frequency (0.1–1 Hz) oscillatory and static (without oscillations) experiments to study temperature dependences of the magnetic properties of C60 fullerite in the magnetic fields transverse and longitudinal with respect to the oscillation axis. The temperature position of observed oscillation attenuation peaks that are related with phase transitions depends on the direction in which temperature changes (cooling or heating). The most clearly pronounced transitions accompanied by reorientation of magnetic dipole moments have been observed in the region of the structural (Fm3m–Pa3) transition at Т ≈ 260 K and at temperatures Т ≈ 180–200 K. The region of “chaos” has been discovered where magnetic properties and the direction of the “spontaneous” rotation of the fullerite specimen with respect to magnetic field change rapidly. We have shown that under certain conditions the relaxation time of the magnetic moments of molecular rotators, after elapsing of which the fullerite specimen experiences multiple changes in its rotational movement direction, if temperature increases from 77 K to 280 K, coincides with the “magic” time that was observed in static experiments at room temperatures Т = 295 K. An assumption has been made that the phenomena observed are related with relaxation processes in the rotational subsystem of molecular C60 rotators and with the magnetic flux trapped by fullerite.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:10Z
      DOI: 10.1063/1.5097363
  • Quantization in magnetoresistance of strained InSb whiskers
    • Authors: A. Druzhinin, I. Ostrovskii, Yu. Khoverko, N. Liakh-Kaguy
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 513-517, May 2019.
      Strain influence on the longitudinal magnetoresistance for the n-type conductivity InSb whiskers doped by Sn to concentration 6·1016–6·1017 сm–3 was studied in the temperature range 4.2–40 K and magnetic field up to 10 T. The Shubnikov–de Haas oscillations at low temperatures were observed in the strained and unstrained samples in all range of doping concentrations and magnetic fields. The character of longitudinal magnetoresistance dependences was analyzed and compared with theoretical one. The whisker magnetoresistance alters its sign with increasing magnetic field. It is positive at weak magnetic fields and becomes negative at higher magnetic fields. Possible mechanism of the large value of negative magnetoresistance (NMR) was discussed in the InSb whiskers with doping concentration in the vicinity to metal–insulator transition. The origin of large NMR was explained by the existence of classical size effect and boundary scattering during conductance in subsurface whisker layers.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:09Z
      DOI: 10.1063/1.5097360
  • Magnetic state features of Mn1.4Fe0.6P0.5As0.5
    • Authors: M. Budzyński, V. I. Valkov, P. Duda, V. I. Mitsiuk, Z. Surowiec, T. M. Tkachenka
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 509-512, May 2019.
      Mössbauer spectroscopy in the temperature range between 4 K and 270 K was used to more clearly define the magnetic phase diagram of Mn2-xFexAs0.5P0.5. It is shown that antiferromagnetic and paramagnetic states coexist in the alloy Mn1.4Fe0.6As0.5P0.5 in the temperature range of 150 K ≤ T ≤ 160 K.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:08Z
      DOI: 10.1063/1.5097359
  • How the structure of ferromagnetic cluster boundaries in an
           antiferromagnetic matrix impacts their magnetic properties in an external
    • Authors: A. A. Krivchikov
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 500-508, May 2019.
      The question of how an external field impacts the magnetic moments of ferromagnetic clusters that are randomly located in a thin cylinder, is considered. The clusters have a magnetic dipole interaction. If there is sufficient spatial anisotropy, such a system can be described by a one-dimensional Ising model with a random exchange if an effective local field is present. A random effective field acting on the clusters reflects the inhomogeneity of the interface between the clusters and the antiferromagnet. In fields smaller than the saturation field, the ground state of such a model is a one-dimensional sequence of domains having different lengths. In contrast to the one-dimensional Ising model, at a constant field in the presence of a random effective field, there is a linear dependence of magnetization on the external field, in the small field region. The average of the random effective field determines the magnitude of the magnetization curve exchange bias, and the dispersion of the random effective field affects its slope. The results obtained in this study, together with experimental data, allow for a qualitative evaluation of the properties of the interface between the subsystems.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:50:02Z
      DOI: 10.1063/1.5097358
  • Percolation transitions in d-wave superconductor–half-metallic
           ferromagnet nanocomposites
    • Authors: V. N. Krivoruchko, V. Yu. Tarenkov
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 476-481, May 2019.
      Electrical transport properties of random binary networks composed of high-Tc superconductor Bi2Sr2Ca2Cu3O6+x microparticles and half-metallic ferromagnet La0.67Sr0.33MnO3 (LSMO) nanoparticles have been investigated. Two resistive percolation transitions (superconductor–metal–semiconductor) have been observed for the nanocomposites with a volume fraction of the LSMO no more than 30%. The nanocomposites basic attributes (transition critical temperatures, current–voltage characteristics, percolation threshold, etc.), most probably, cannot be quantitatively interpreted within the framework of a conventional percolation model. We have explained the observed behavior by a two-level scale interaction in the system caused by (i) a significant geometric disparity between the constituent components and (ii) proximity-induced superconducting state of the half-metallic manganite.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:49:58Z
      DOI: 10.1063/1.5097355
  • Self-organization of neutral particles on the surface of superfluid He II
    • Authors: A. A. Levchenko, E. V. Lebedeva, L. P. Mezhov-Deglin, A. A. Pelmenev
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 469-475, May 2019.
      To visualize the vortex flows occurring on the surface of superfluid He II during the interaction of noncollinear surface waves, hollow glass microspheres ∼60 μm in diameter and a density less than or similar to that of liquid helium were introduced into the liquid. The spheres combined under the He II surface into aggregates (tracers) with characteristic dimensions of 0.2–0.3 mm. Experimental results are presented, and the possibility of helium-covered light tracers self-organizing and using surface tension to form experimentally observable flat macroscopic “snowflake” structures out of glass tracers on the He II surface, is discussed.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:49:56Z
      DOI: 10.1063/1.5097354
  • Tunneling conductance of the s-wave and d-wave pairing superconductive
           graphene–normal graphene junction
    • Authors: A. M. Korol
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 493-499, May 2019.
      Within the framework of the Blonder–Tinkham–Klapwijk formalism we calculate and analyze the conductance of the normal graphene — s-wave and independently d-wave pairing superconductive graphene junction. The eigenfunctions, the Andreev and the normal reflection rates are obtained by solving the Dirac–Bogoliubov–de Gennes equations. The Fermi velocity is believed to be different in the normal and in the superconductive regions. We consider the options of gapless and gapped graphene for both cases: s-wave and independently d-wave pairing. It is demonstrated that the characteristics of the junction considered are sensitive to the ratio vFN/vFS where vFN, vFS are the Fermi velocities in the normal and the superconductive graphene respectively. This conclusion refers to the Andreev reflection as well as to the normal one. The first of them is shown to be the dominant process for the formation of the conductivity. These results are true for an arbitrary value of the orientational angle of the d-waves. Each of four cases considered: s-, d-wave pairing and gapless and gapped graphene displays its own specific features of the conductance. The dependence of the conductance on the external electrostatic potential as well as on the Fermi energy is also analyzed in every case. The obtained results may be useful for controlling the transport properties of the normal graphene–superconductive graphene junction.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:49:53Z
      DOI: 10.1063/1.5097357
  • Recovery of the electron–phonon interaction function in superconducting
           tantalum ballistic contacts
    • Authors: N. L. Bobrov
      Abstract: Low Temperature Physics, Volume 45, Issue 5, Page 482-492, May 2019.
      The experimentally observed nonlinearities of the current–voltage characteristics (CVCs) of tantalum-based point homo- and heterocontacts in both normal and superconducting states related to electron–phonon interaction (EPI) were analyzed. It was taken into account that additional nonlinearity of CVCs arising upon contact transition to the superconducting state (superconducting spectral component) is formed not only near the constriction in the region roughly equal to the contact diameter (as is the case for the normal state, and as predicted theoretically for the superconducting state), but also in a markedly larger region that is about the size of the coherence length. In this case, a considerable role in the formation of this superconducting component is played by nonequilibrium phonons with low group velocity, which account for the experimentally observed sharpening of the phonon peaks in the EPI spectra (the second derivatives of the CVCs) during the superconducting transition of the contacts, instead of the theoretically expected peak broadening (spreading), and for the increase in the superconducting contribution to the point contact spectrum in the low and medium energy regions. The high-energy part of the EPI spectrum changes much less significantly during the superconducting transition, which is attributable to suppression of the excess contact current by nonequilibrium quasi-particles. A detailed procedure was proposed for the recovery of the EPI spectral function from the point contact spectrum contribution (the second derivative of the CVC) that arises during the superconducting transition of one or both contacting metals.
      Citation: Low Temperature Physics
      PubDate: 2019-05-03T01:49:49Z
      DOI: 10.1063/1.5097356
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