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Recent "materials science" articles

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Tuning the gap in graphene
physicsworldcom
Researchers have the best evidence yet that the electronic band gap in bilayer graphene can be adjusted by changing an applied voltage.
 
Empowering Engineering College Staff to Adopt Active Learning Methods
Journal of Science Education and Technology 17 (2), 152 (2008)
 
Integrated Computational Materials Engineering: A Transformational Discipline for Improved Competitiveness and National Security
www.nap.edu
 
Linking different scales: Discrete, self-consistent field, and stochastic dislocation dynamics
Linking different scales discrete selfconsistent field and stochastic dislocation dynamics
Materials Science and Engineering A 309-310, 356 (2001)
The dynamics behavior of an assembly of parallel dislocations is investigated at different length scales. In the first part, it is shown that a discrete dislocation system is able to reproduce several important features of plastic deformation. Then, a self-consistent field continuum model is derived. Finally, a stochastic approach is outlined, which can be considered as an intermediate scale description between the discrete and the continuum models. ? 2001 Elsevier Science B.V. All rights reserved.
 
O(N) ALGORITHM FOR DISLOCATION DYNAMICS
HY WANG and R. LESAR
PHILOSOPHICAL MAGAZINE A-PHYSICS OF CONDENSED MATTER STRUCTURE DEFECTS AND MECHANICAL PROPERTIES 71, 149-64 (1995)
We present an extension of the fast-multipole method of Greengard and Rokhlin to the case of the long-range interactions between parallel edge (in arbitrary orientations) and screw dislocations. By finding complex potentials from which the stress terms can be calculated, and expanding those potentials in multipole series, we convert a computationally difficult O(N2) poroblem into a much faster O(N) approach. To reach sufficient numerical accuracy, only a few terms are needed in the multipole expansions (four screws and six for edges) so that the interactions between millions of dislocations can be calculated in a few minutes on a workstation. We present results of a study of the relaxed configurations of 16384 edge dislocations of arbitrary orientations.
 
Soft lithography
SOFT LITHOGRAPHY
Annual Review of Materials Science 28 (1), 153 (1998)
 
Soft lithography
Y. Xia and G. Whitesides
Angewandte Chemie-International Edition 37 (5), 551-75 (1998)
 
The materials science beamline at the Swiss Light Source: design and realization
B Patterson et al.
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 540 (1), 42-67 (11 Mar 2005)
 
Experimental Verification of a Negative Index of Refraction
www.sciencemag.org
Experiments proving the negative index.
 
Archive of publications on negative refraction
www.ee.duke.edu
Duke University list of resources on neg refraction.

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