Showing papers in "Progress in Materials Science in 2011"

TL;DR: Graphene and its derivatives are being studied in nearly every field of science and engineering as mentioned in this paper, and recent progress has shown that the graphene-based materials can have a profound impact on electronic and optoelectronic devices, chemical sensors, nanocomposites and energy storage.

TL;DR: In this paper, the theoretical mechanisms of the wetting of rough surfaces are presented followed by the characterization of natural leaf surfaces and a comprehensive review is presented on artificial super-hydrophobic surfaces fabricated using various fabrication techniques and the influence of micro-, nano-and hierarchical structures on superhydrophobicity, self-cleaning, low adhesion, and drag reduction.

TL;DR: In this paper, the authors provide an overview of metal-based material classes whose properties as a function of external size have been investigated and provide a critical discussion on the combined effects of intrinsic and extrinsic sizes on the material deformation behavior.

TL;DR: In this article, the authors review the tremendous efforts over the past 50 years devoted to unraveling the atomic-level structure of MGs and the structural origin of their unique behaviors.

TL;DR: Shape-memory polymers (SMPs) undergo significant macroscopic deformation upon the application of an external stimulus (e.g., heat, electricity, light, magnetism, moisture and even a change in pH value).

TL;DR: In this paper, a comprehensive review of the state-of-the-art research activities related to ZnS nanostructures is provided, with the focus on the critical experiments determining the electrical, chemical and physical parameters of the nanostructure, and the interplay between synthetic conditions and nanoscale morphologies.

TL;DR: The current status of the piezoelectric films and recent progress in the development of high frequency ultrasonic transducers will be discussed, and the recent developments in the high frequency transducers and arrays with piez Zoelectric ZnO and PZT thick film using MEMS technology are presented.

TL;DR: In this paper, the birth and subsequent development of the concept of the atomic level stresses are reviewed and its future is discussed, and its potential to bridge distinct fields of glass research beyond metallic glasses, including colloids, molecular liquids, granular matter and other materials.

TL;DR: In this article, surface modification of titanium and titanium alloys by ion beam implantation is described, where surface treatment that would elicit favorable response from tissues can be applied to enhance the usefulness of the implants.

TL;DR: In this paper, the cyclic deformation behaviors of different kinds of face-centered cubic (fcc) single crystals, including copper, nickel, silver, as well as copper-aluminium, copper-zinc alloys in attempt to provide a historical perspective of the developments over the last several decades.

TL;DR: In this paper, two-dimensional (2D) Voronoi tessellations are used to represent random foams, and four representative boundary value problems are solved by the finite element (FE) method.

TL;DR: An overview of the different materials currently thought to be potential proton exchange membrane materials for fuel cells operated at medium temperatures (100-200°C) is given in this article.

TL;DR: In this paper, the authors reviewed and critically discussed the current understanding of two scaling laws, which are ubiquitous in the modeling of monotonic plastic deformation in face-centered cubic metals.

TL;DR: In this article, the authors review the current status and challenges in novel high-k dielectrics and metal gates research for planar CMOS devices and alternative device technologies to provide insights for future research.

TL;DR: In this article, a detailed theoretical study of segregation and strengthening/embrittling energy of sp-elements from the 3rd, 4th and 5th period (Al, Si, P, S, Ga, Ge, As, Se, In, Sn, Sb and Te) at the grain boundary (GB) in fcc ferromagnetic nickel is presented.

TL;DR: In this article, the authors review atomistic simulation studies of deformation processes in metallic glasses, i.e., local shear transformation (LST), structural characterization of the Local Shear Transformation Zones (STZs), deformation-induced softening, shear band formation and its development, by use of elemental and metal-metal alloy models.

TL;DR: In this article, the preparation methodologies and the microstructural characteristics of semiconductor thin films, including SnO 2 thin films and metal oxides, are introduced and compared.

TL;DR: In this paper, the role of disconnections and lattice-invariant deformation in displacive phase transformations is reviewed, particularly the defect structure of equilibrium habit planes, the mechanism of transformation, and the deformation accompanying growth.

TL;DR: In this paper, a model based on distinct yield and flow functions is developed for both single crystals and polycrystalline aggregates that build upon atomic-level simulations of single dislocations.

TL;DR: In this paper, the authors present algorithms and numerical methods to characterize topological and geometric properties of grain boundary networks in polycrystalline samples which are either from serial sectioning of real polycrystals or from digital microstructures generated using inverse Monte Carlo methods.

TL;DR: In this article, it was shown that the non-planarity of dislocation cores is common in many materials and frequently determines their properties, and the atomic level aspect of dislocations is considered in more details, not only for the BCC metals, and relation to the macroscopic plastic behaviour discussed.

TL;DR: In this paper, a detailed thermodynamic analysis, studying isothermal and adiabatic processes, of the behavior of a single isolated particle and an ensembles of nanoparticles was performed under isothermal, and seven theorems were derived.

TL;DR: In this article, the internal structure of dislocations, carriers of plastic deformation, can be examined using the energies of generalized stacking faults displayed by so called γ-surfaces calculated for bcc metals by Vasek Vitek.