Materials Literature
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Silkworms and spiders generate fibers that exhibit high strength and extensibility. The underlying mechanisms involved in processing silk proteins into fiber form remain incompletely understood, resulting in the failure to fully recapitulate the remarkable properties of native fibers in vitro from regenerated silk sol…
A novel composite anode material consisting of K(2) NiF(4) -type structured Pr(0.8) Sr(1.2) (Co,Fe)(0.8) Nb(0.2) O(4+δ) (K-PSCFN) matrix with homogenously dispersed nano-sized Co-Fe alloy (CFA) has been obtained by annealing perovskite Pr(0.4) Sr(0.6) Co(0.2) Fe(0.7) Nb(0.1) O(3-δ) (P-PSCFN) in H(2) at 900 °C. The K-P…
This review article provides a brief summary of recent research progress on anisotropic wetting on one-dimensional (1D) and directionally patterned surfaces, as well as the technical importance in various applications. Inspiration from natural structures exhibiting anisotropic wetting behavior is first discussed. Deve…
Abstract Luminescence of semiconductors is nowadays based on very firm background of solid state physics. The purpose of this book is to introduce the reader to the study of the physical principles underlying inorganic semiconductor luminescence phenomena. It guides the reader starting from the very introductory defin…
A fully quantum mechanical investigation using time-dependent density functional theory reveals that the field enhancement in a coupled nanoparticle dimer can be strongly affected by nonlinear effects. We show that both classical as well as linear quantum mechanical descriptions of the system fail even for moderate in…
Wydział Chemii: Zakład Katalizy Heterogenicznej
Ce manuscrit de thèse porte sur l’élaboration de nouveaux matériaux pour la protection balistique grâce à l’apport du procédé de frittage flash. Il s’agit, en effet, d’associer deux composés possédant des températures de frittage éloignées, tels que l’alumine et l’aluminium, matériaux de référence utilisés dans la pro…
Zirconia has been widely applied on production of structural components, mainly due to its great mechanical properties. However, these properties are associated to the zirconia tetragonal and cubic phases, which are stable only on high temperatures on pure material, being necessary doping the material with some oxides…
Este projeto faz parte de uma Rede Interdisciplinar de Pesquisa em Superligas no Brasil (Projeto Pró-Engenharias - CAPES), que tem como objetivo o desenvolvimento técnico e científico do Brasil nesta classe de materiais. A rede é composta por especialistas de estabelecida competência em assuntos fundamentais para o de…
Depuis plus de 50 ans, l’industrie de la microélectronique ne cesse d’évoluer afin de répondre à la demande d’augmentation des performances ainsi que des fonctionnalités des composants, tout en diminuant les tailles et les prix des produits. Cela est obtenu à ce jour principalement par la réduction des dimensions des…
International audience
We perform molecular dynamic (MD) simulations of frictional non-thermal\nparticles driven by an externally applied shear stress. After the system jams\nfollowing a transient flow, we probe its mechanical response in order to\nclarify whether the resulting solid is 'fragile'. We find the system to respond\nelastically…
Through ex situ and in situ compression and tension tests of micrometer- and submicrometer-sized single crystal hexagonal close packed (HCP) Ti alloy pillars oriented for prismatic slip, we have observed that “smaller is stronger” and the larger samples exhibit obvious strain bursts. However, for extremely small sampl…
Proceedings of SPIE follow an e-First publication model, with papers published first online and then in print and on CD-ROM.
Through ex situ and in situ compression and tension tests of micrometer- and submicrometer-sized single crystal hexagonal close packed (HCP) Ti alloy pillars oriented for prismatic slip, we have observed that “smaller is stronger” and the larger samples exhibit obvious strain bursts. However, for extremely small sampl…
Kapal jenis BulkCarrier menjadi fokus dalam SOLAS Chapter XII. Regulasi SOLAS menyangkut struktur ruang muat No.I yang menerangkan Transverse Bulkhead pada dua ruang muat terdepan dan konstuksi doble bottom pada ruang muat terdepan harus mempunyai kekuatan untuk menahan beban yang diakibatkan jika ruang muat No.1 term…
All papers published in this volume of Journal of Physics: Conference Series have been peer reviewed through processes administered by the proceedings Editors. Reviews were conducted by expert referees to the professional and scientific standards expected of a proceedings journal published by IOP Publishing.
Expression and regulation of the P-glycoprotein (P-gp) is associated with the development of multidrug resistance in cancer.Cancer cells are exposed in endogenous damages from its own micro-environments and inflicted stimulated damages.These harmful micro-environments could trigger cellular stress response and regulat…
Objective To observe the effect of titanium alloy particles on the cell proliferation and the expression of gene receptor activator of nuclear factor-κB (NF-κB) ligand (RANKL) in osteoblasts of mice,and to investigate the mechanism of periprosthetic osteolysis.Methods Osteoblasts were cultured in 10％ serum medium cont…
Recent work by Kopp and Mannhart on novel electronic systems formed at oxide interfaces has shown interesting effects on the capacitances of these devices. We employ inhomogeneous dynamical mean-field theory to calculate the capacitance of multilayered nanostructures. These multilayered nanostructures are composed of…