Based on plasma coupling technology, the “Black Magic” range of carbon nanotube and carbon fiber systems are highly flexible and reproducible. Turnkey 2”, 4” and 6” wafer-size systems, capable of single-walled and multi-walled carbon nanotube, nanofiber and graphene deposition, are available with many features for both research and production. Larger wafer-size systems are currently under development.
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Understanding energy dissipation and transport in nanoscale structures is of great importance for the design of energy-efficient circuits and energy-conversion systems. This is also a rich domain for fundamental discoveries at the intersection of electron, lattice (phonon), and optical (photon) interactions. A review article published in NanoResearch presents the recent progress in understanding and manipulation of energy dissipation and transport in nanoscale solid-state structures.
Some of the greatest challenges of modern society are related to energy consumption, dissipation, and waste. Among these, present and future technologies based on nanoscale materials and devices hold great potential for improved energy conservation, conversion, or harvesting. A prominent example is that of integrated electronics, where power dissipation issues have recently become one of its greatest challenges. Power dissipation limits the performance of electronics from handheld devices (~10–3 W) to massive data centres (~109 W), all primarily based on silicon micro/nanotechnology.
Scientists at the University of Rochester have created a way to change the properties of almost any metal to render it, literally, black. The process, using an incredibly intense burst of laser light, holds the promise of making everything from fuel cells to a space telescope’s detectors more efficient.
“We’ve been surprised by the number of possible applications for this,” says Chunlei Guo, assistant professor of optics at the University of Rochester. “We wanted to see what would happen to a metal’s properties under different laser conditions and we stumbled on this way to completely alter the reflective properties of metals.”
The key to creating black metal is an ultra-brief, ultra-intense beam of light called a femtosecond laser pulse. The laser burst lasts only a few quadrillionths of a second (a femtosecond is to a second what a second is to about 32 million years).