Materials Literature
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We derive a new upper bound on the algebraic connectivity of a regular graph using the Higman-Sims technique. Together with a new result on the connectivity of the neighbourhood graph of strongly regular graphs, our result gives a characterization of a class of strongly regular graphs that maximize the algebraic conne…
This comment clarifies a substantial issue raised in the subject paper. An empirical model for the pressure dependence of the viscosity of squalane was presented and some published data for high pressure were rejected on the basis of inconsistency with this viscosity model which is known to be very limited in range of…
ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionORIGINAL ARTICLEThis notice is a correctionCorrection to Critical Review of Low-Density Polyethylene's Partitioning and Diffusion Coefficients for Trace Organic Contaminants and Implications for Its Use As a Passive SamplerRainer Lohmann*Cite this: Environ. Sci. Tech…
"The book provides an overview of the author's work devoted to experimental study of hopping conductivity, which includes substantial contributions, such as solving the problem of critical indices of the metal-insulator transition in doped semiconductors, investigation of transitions from different kinds of hopping co…
In electric field analysis, it is important to know the changes in field quantities as one crosses a boundary between a conductor and a dielectric or between two different dielectric media. Boundary conditions are fundamental equations involving electric field quantities, which describe the changes in electrostatic fi…
Coloured effluents discharging from different types of industries are a major hazardous problem in the environment. Various physico-chemical methods have been employed in effluent treatment plants, which have certain limitations in the colour removal process. The present investigation deals with multiple dye decolouri…
Received 27 February 2015DOI:https://doi.org/10.1103/PhysRevApplied.3.039901© 2015 American Physical Society
A detailed understanding of hydrogen adsorption and diffusion in nanoporous solids is essential to design high-density storage materials. A two level lattice model with a dynamics of thermally activated molecular jumps, inspired by experimental evidence on cubic nitroprussides, is proposed for solids with strongly and…
Flexible photovoltaic films have been recently shown to have efficiencies comparable to those of solid Si based photovoltaics. Flexible PV films have significant advantages in terms of ease of manufacture by roll-to-roll (R2R) techniques and in easy building integration. A significant challenge is the protection of th…
D. Mazumdar,1 K. Haule,2 J. J. Yang,3 G. L. Pascut,2 B. S. Holinsworth,1 K. R. O’Neal,1 V. Kiryukhin,2,4 Sang-Wook Cheong,2,3,4 and J. L. Musfeldt1 1Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, USA 2Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08854,…
In this study, the influence of treatments carried out with an atmospheric pressure plasma jet (APPJ) on the passive oxide films of different types of stainless steels and their corrosion properties was studied. The treatments were realized on a martensitic (AISI420) and a duplex (SAF2507) stainless steel using a plas…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
BACKGROUND: Biological structures grow spontaneously from a seed, using materials supplied by the environment. These structures are hierarchical, with the 'building blocks' on each level constructed from those on the lower level. To understand and model the processes that occur on many levels, and later construct them…
Nitrogen-vacancy defects in diamond can probe metallic conductivity at a distance [Also see Report by Kolkowitz et al. ]
A polypyrrole (PPy) shell@3D-Ni core electrode exhibits large specific capacitance, excellent rate capability, and high cycle stability for supercapacitor applications. The novel 3D shell@core structure provides a short diffusion path for fast ion transport, and the highly conductive nanometals serve as a backbone for…
A reduction in the κ -value of dielectric materials is of great interest today as it leads to the reduction of resistance–capacitance delays and parasitic capacitances within integrated circuits, thereby improving device performance. We have recently reported our studies on the great potential of the Poly phenyl methy…
A quick cooling of coatings for the forming of the electrolyte layers with the given phase composition is widely used. In this work the preliminary heating of the specimens was applied instead of quick cooling technology. The influence of the substrate preliminary heating on the ZrO2 – Y2O3 coatings structure and prop…
Wydawnictwo SIGMA-NOT wydaje czasopisma fachowe informujące swoich czytelników o najnowszych osiągnięciach naukowych i nowoczesnych rozwiązaniach technicznych w Polsce i na świecie, popularyzuje problemy techniczne oraz poszerza wiedzę i kulturę techniczną.
Three experimental polyoxyethylene sorbitan monolaurate derivatives were synthesized with molecular fingerprinting techniques applied to experimental materials, confirming the target compounds had been produced. Chemical property measurements were compiled that aligned with theoretical predictions and physical propert…
Photoinduced melting of the spin-Peierls phase was investigated in Na-tetracyanoquinodimethane by pump-probe reflection spectroscopy with a time resolution of 49 fs. Photoirradiation generates coherent molecular oscillation, which indicates that the spin-Peierls dimerization decreased. Increasing the excitation photon…