Materials Literature
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The central motto 'Radiation Protection Culture-A Global Challenge' of the fourth European IRPA Congress is discussed on the basis of the IRPA Guiding Principles Establishing a Radiation Protection Culture and the contributions presented in the plenary sessions of the conference.
Two copper(II) complexes, 1 and 2, of two ligands, L1 and L2 [L1 = 2-{[anthracen-9-ylmethyl-(2-dimethylamino-ethyl)-amino]-methyl}-4,6-di-tert-butyl-phenol; L2 = 5-dimethylamino-naphthalene-1-sulfonic acid (3,5-di-tert-butyl-2-hydroxy-benzyl)-(2-dimethylamino-ethyl)-amide, were synthesized and characterized. In methan…
We have simulated IR and pyrolysis gas chromatography mass spectrometry (Py-GCMS) spectra of six polymers (PE, PP, PS, PET, N6, PVDF) with the density-functional theory and quantum molecular dynamics calculations on model oligomers. In the former calculations, experimental harmonic frequencies of the polymers have bee…
The reliability and efficiency of power equipment is largely depend on the degree of wear in its most loaded elements, which during operation undergo the cumulative effects of various factors. The mutual manifestation of several kinds of wear leads to the intensification of the destruction processes that will reduce e…
In this work, we report on the magnetic and dielectric anomalies observed in dense Bi 1– x RE x FeO 3 ceramics ( RE = Dy , Tb ; 0 ≤ x ≤ 0.3) at cryogenic temperatures. For compositions with a high content of rare‐earth ions, thermomagnetic experiments revealed a distinct anomaly in the magnetization curves at temperat…
We study the exciton contribution to the third-order optical susceptibility of one-dimensional semiconductor quantum dots and show that the screening of the electron-hole interaction has a strong influence on the nonlinear optical properties in the weak confinement regime. Based on a density matrix formulation, we est…
We demonstrate the influence of phenyl groups in the pore structure of mesoporous organosilicas, on the quantity of absorbed enzyme and the activity of immobilized enzyme.
Based on the principle of transformation optics, we propose to control the wave propagating direction through the homogenous anisotropic medium designed by linear coordinate transformation. The material parameters of the medium are derived from the linear coordinate transformation applied. Keeping the space area uncha…
Although not being classified as the most fundamental protein structural elements like α-helices and β-strands, the loop segment may play considerable roles for protein stability, flexibility, and dynamic activity. Meanwhile, the protein loop is also quite elusive; i.e. its interactions with the other parts of protein…
We report on the energy transport between two coupled probes in contact with granular thermostats at different temperatures. In our experiment, two identical blades, which are electromechanically coupled, are immersed in two granular gases maintained in different non-equilibrium stationary states, characterized by dif…
Measurement of energy flux to a substrate by thermal and Langmuir probes during inductively coupled plasma assisted DC magnetron sputtering, Matsuda, Yoshinobu, Mine, Kenji, Wakiyama, Shintaro, Shinohara, Masanori
ADVERTISEMENT RETURN TO ISSUEPREVGuest CommentaryNEXTTailoring the Inherent Optical and Electrical Properties of NanostructuresMasaru Kuno*View Author Information Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, Indiana 46556, United States*E-mail: [email prot…
Deformable polymer photoswitches with p-doped single layer graphene as the top window electrode exhibit an on/off ratio as high as 8.5 × 10 5 .
Synthetically-manufactured ammonia fuel is proposed for distribution throughout Australia when we need to replace future diminishing petroleum resources. In the interim this would be derived from natural gas resources using the Haber Bosch process, leading to a progressive transition to 100% energy resourcing from sus…
Among the various families of Fe-based superconductors, iron chalcogenides, while presenting a transition temperature not particularly high, show great advantages for potential applications at high fields, albeit at liquid helium temperature. In fact, the critical temperature can be increased by stress up to 21 K in t…
One criterion for the ignition of a fusion plasma is sufficient fast ion confinement. A key aspect in that context is the maintainability of good fast ion confinement in the presence of non-axisymmetric fields, such as those found in stellarators and during the application of resonant magnetic perturbations (RMPs) in…
Abstract The construction of a spatially defined assembly of molecular building blocks, especially in the vertical direction, presents a great challenge for surface molecular engineering. Herein, we demonstrate that an electric field applied between an STM tip and a substrate triggered the formation of a bilayer struc…
The application of a modular system for the nondestructive chemical imaging of metal and other surfaces is described using heritage metals as an example. The custom-built X-ray-excited optical luminescence (XEOL) microscope, XEOM 1, images the chemical state and short-range atomic order of the top 200 nm of both amorp…
Lanthanide aluminium perovskites LnAP – (Ln = La to Lu) have found application similar to that of yttrium aluminium perovskite (YAP). Among the LnAP we report the successful synthesis of some of the representative members of this family like lanthanum aluminium perovskites LaAlO3 (LAP), samarium aluminium perovskite S…
The first stages of oxidation of the (1 1 0) surface of a γ-Al(4)Cu(9) complex metallic alloy were investigated by combining x-ray photoemission spectroscopy, low energy electron diffraction and scanning tunnel microscopy studies. Oxidation at room temperature in the 2 × 10(-8) to 2 × 10(-7) mbar oxygen pressure range…