Characterization of Strange Attractors
A new measure of strange attractors is introduced which offers a practical algorithm to determine their character from the time series of a single observable. The relation of th...
Publications
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6,423 publications
Nanobeam Mechanics: Elasticity, Strength, and Toughness of Nanorods and Nanotubes
The Young's modulus, strength, and toughness of nanostructures are important to proposed applications ranging from nanocomposites to probe microscopy, yet there is little direct...
Chemically Derived, Ultrasmooth Graphene Nanoribbon Semiconductors
We developed a chemical route to produce graphene nanoribbons (GNR) with width below 10 nanometers, as well as single ribbons with varying widths along their lengths or containi...
Progress, Challenges, and Opportunities in Two-Dimensional Materials Beyond Graphene
Graphene's success has shown that it is possible to create stable, single and few-atom-thick layers of van der Waals materials, and also that these materials can exhibit fascina...
In vivo cancer targeting and imaging with semiconductor quantum dots
We describe the development of multifunctional nanoparticle probes based on semiconductor quantum dots (QDs) for cancer targeting and imaging in living animals. The structural d...
Greedy Layer-Wise Training of Deep Networks
Complexity theory of circuits strongly suggests that deep architectures can be much more efficient (sometimes exponentially) than shallow architectures, in terms of computationa...
Chemical Management for Colorful, Efficient, and Stable Inorganic–Organic Hybrid Nanostructured Solar Cells
Chemically tuned inorganic-organic hybrid materials, based on CH3NH3(═MA)Pb(I(1-x)Br(x))3 perovskites, have been studied using UV-vis absorption and X-ray diffraction patterns a...
Electrochemical Capacitors for Energy Management
Rapid storage and efficient delivery of electrical energy in heavy-duty applications are being enabled by electrochemical capacitors.