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Article
The flexibility window in zeolites
Today synthetic zeolites are the most important catalysts in petrochemical refineries because of their high internal surface areas and molecular-sieving properties1,2. There have been considerable efforts to synt...
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Book Series
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Book
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Book
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Book
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Article
Non-Randomness in Network Glasses and Rigidity
The continuous random network model is widely used as a realistic description of the structure of covalent glasses and amorphous solids. We point out that, in real glasses and amorphous materials, there are no...
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Chapter and Conference Paper
Properties of two-Dimensional Materials Containing Inclusions of Various Shapes
We discuss the effect of inclusion shape on the dielectric and elastic properties of two-dimensional materials. We show how the dielectric constant is determined by the dipole moment of the inclusion, convenie...
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Article
Digital-Image-Based Study of Circular Holes in an Elastic Matrix
Using a digital-image-based representation of a continuum composite, we apply computer simulation techniques to obtain the elastic moduli of a matrix containing randomly-centered circular voids. As the area fr...
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Article
Rigidity of Layered Random Alloys
Randomly intercalated layered alloys are excellent models for two-dimensional microporous systems. We have studied the nonlinear gallery expansion and the gallery height fluctuations by constructing a double l...
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Article
Elastic Properties of Glasses
It is shown that the elastic properties of covalent networks are very sensitive to coordination. High coordination networks are relatively hard and the elastic constants are determined by the covalent forces. Low...