Conference video: Assembly and Manipulation of Molecules at the Atomic Scale

At the 2013 Conference the winner of the 2011 Feynman Prize for Experimental work presents STM studies showing how the manipulation of single molecules on a surface can yield insights to their mechanical, electronic, and optical properties, and be used in a controlled way to build pre-defined molecular architectures.

Next Foresight Conference on Nanotechnology in February 2014

The Conference to be held February 7-9, 2014 in Palo Alto, California will emphasize the integration of nano-engineered devices and materials into larger, more complex systems.

Quantum dot conduction impacted by stoichiometry, not dangling bonds

Quantum dots are semiconducting, nanoscale clusters that show electronic characteristics distinct from both bulk-scale materials and single molecules. Their special characteristics make quantum dots attractive for a broad range of potential applications, including photovoltaics and nanoscale transistors. The size and shape of quantum dots impact electrical properties and can therefore be used to tune the… Continue reading Quantum dot conduction impacted by stoichiometry, not dangling bonds

Germanane: germanium&#39s answer to graphane

Soon after graphene sheets were being produced on a laboratory scale routinely, researchers began producing the hydrogenated version graphane (with a hydrogen atom on each carbon). This step is one of many approaches aimed at harnessing grapheneā€™s powerful conductivity and is also being explored for hydrogen storage and other potential applications (more info in this… Continue reading Germanane: germanium&#39s answer to graphane

Silicene: silicon&#39s answer to graphene

**Updates: July 2014 — Research out of Argonne National Lab suggested that silicene may have never actually been successfully synthesized, rather that spectra indicate a mixture of silicon and silicon-substrate alloy; see article on Phys.org. August 2014 — Research out of Italy suggests that their spectra establish the presence of silicene though not in a… Continue reading Silicene: silicon&#39s answer to graphene

Superparamagnetism-explicated-for us

Even though the sound of it is something quite atrocious, superparamagnetism may become a familiar term in the context of nanoscale electronics and devices. Loosely speaking, superparamagnetism is a size-based phenomenon in which materials that are ferromagnetic on the macroscale — meaning predisposed toward strong magnetization at room temperature, such as iron and nickel —… Continue reading Superparamagnetism-explicated-for us

Controlled stepwise rotation on a single atom bearing

Electrons from a scanning tunneling microscope tip turn a five-arm rotor connected via a single ruthenium atom bearing to a tripod anchoring the molecular motor to a gold surface.

New Darpa program may accelerate synthetic biology path to advanced nanotechnology

Darpa has launched a “Living Foundries” program to bring an engineering perspective to synthetic biology to greatly accelerate progress through standardization and modularization.

Mounting graphene on boron nitride improves its electronic properties

Creating a superlattice by placing graphene on boron nitride may allow control of electron motion in graphene and make graphene electronics practical.

Nanotechnology, DNA sequencing, and personalized medicine

Artist’s conception of a nanopore drilled into a layer of graphene to speed up DNA sequencing. One of the greatest promises of near-term nanotechnoloogy is cheaper DNA sequencing to speed the development of personalized medicine. There are not only genetic differences between different patients, but also genetic differences between, for example, different cancers of the… Continue reading Nanotechnology, DNA sequencing, and personalized medicine

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