Materials Literature
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The aim of this thesis is to contribute to a better understanding of the health effects of chronic extern allow doses of ionizing radiation. This work is based on the French cohort of CEA-AREVA NC nuclear workers. A review of epidemiological studies on nuclear workers was conducted during the first yearof the PhD thes…
Abstract An oxygen‐deficient BiMnO2.81 sample in bulk form is prepared by low‐temperature vacuum reduction of stoichiometric BiMnO3 (10‐4—10‐3 Pa, 570—600 K, 5 h).
Abstract Ba3Cu15.1S7.92Te3.08 (I), Ba3Cu15.7S7.051Te3.949 (II), Ba3Cu15.6S5.33Te6.17 (III), and Ba3Cu16.0S4.45Te7.05 (IV) are synthesized from stoichiometric mixtures of the elements at 1073 K (6 h, slow cooling to 873 K over 100 h).
The influence of an ellipsoid on the angular order of two-dimensional classical clusters is investigated through Brownian dynamics simulations. We found the following: (1) The presence of an ellipsoid does not influence the start of the angular melting, but reduces the rate at which the inner rings can rotate with res…
The theoretical magnetization hysteresis curve of Nd-Fe-B anisotropic bonded magnets is simulated using Jiles-Atherton model and random number generation technique. Gaussian statistics was used to assign magnetic particles to random values of magnetic field (H$_{ai}$) and effective interaction ($\alpha )$ parameters.…
The title complex, [(C(4)H(9))(4)N](2)[Mo(6)(C(7)H(6)ClN)O(18)], was prepared by the reaction of (Bu(4)N)(4)[α-Mo(8)O(26)] and 2-methyl-5-chloro-aniline hydro-chloride with N,N'-dicyclo-hexyl-carbodiimide as dehydrating agent in dry acetonitrile solution. The aryl-imido ligand is linked to an Mo atom of the Lindqvist-…
Abstract Review: 40 refs.
Abstract The title compound is synthesized from a mixture of Sb2O3 and Li2O (Ag tubes, 500 °C, 48—72 h).
Abstract Ni21Zn2B24 (I), Ni12ZnB7.57 (II), and Ni3ZnB2 (III) are prepared from mixtures of arc‐melted NiBx and Zn powders (800 °C, 7 d) and characterized by powder and single crystal XRD.
Received 7 September 2011DOI:https://doi.org/10.1103/PhysRevLett.107.139901© 2011 American Physical Society
Abstract The title compounds are prepared by arc melting of the elements and characterized by powder and single crystal XRD, 119Sn Moessbauer spectroscopy, and magnetic measurements.
Abstract Review: 32 refs.
A Reply to the Comment by N. A. Pertsev.Received 8 February 2011DOI:https://doi.org/10.1103/PhysRevLett.107.139702© 2011 American Physical Society
Composition profiles in and around GaInAs layers of InP/GaInAs/InP heterostructures grown by MOVPE were measured by the X-ray CTR scattering and the cross-sectional STM (XSTM) techniques. In the XSTM images, brightness fluctuations in GaInAs are clearly observed. It is discussed in terms of composition fluctuations in…
We present a theoretical study of the effect from doping of quantum wells (QWs) on enhancement of the mobility limited by one-interface roughness scattering. Within the variational approach, we introduce the enhancement factor defined by the ratio of the overall mobility in symmetric two-side doped square QWs to that…
We demonstrate a rapid-prototyping method for the fabrication of electrical structures from exfoliated graphene using focused ion beam (FIB) assisted deposition of tungsten and milling. Alignment accuracies of less than 250 nm are achieved without imaging of the graphene using the FIB beam. Parameters for the FIB assi…
Os processos de manufatura, bem como os parâmetros de processamento utilizados produzem diferentes resultados com relação à integridade de uma superfície. Estas alterações se refletem em mudança das propriedades da superfície, as quais podem influenciar o desempenho dos componentes. O presente trabalho estuda o efeito…
La conversion du methanol par les zeolithes est l'une des applications les plus prometteuses pour l'obtention d'hydrocarbures (olefines, essences, gasoils) a partir de sources alternatives au petrole (gaz naturel, charbon, biomasse). Dans cette these, un procede catalytique multi-etapes permettant la conversion du met…
A reactive ion etching process (RIE) of multi-layer graphene (MLG) has been developed to obtain tri-layer (TLG) or bi-layer graphene (BLG). A controllable graphene etch rate of 0.19 nm/sec has been achieved by using oxygen plasma. Graphene D, G and 2D band characteristics have been obtained by Raman spectroscopy and r…
Over the past decade, the tissue engineering paradigm has gained attention as a potential means to restore native tissue functionality. Although attractive, the wide variety of scaffold materials, cell sources, and mechanical conditioning regimes coupled with the paucity of structurally-based, finite deformation frame…