Nanotechnology News – Latest Headlines

Making carboxyl(ate) friends

When it comes to supramolecular chemistry, the carboxylic acid group - and its conjugate carboxylate base - is one of the chemist's most flexible friends. In pairs, they act as supramolecular synthons from which more complicated structures might be built but also offer up complex hydrogen bond connectivity.

Apr 14th, 2015

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Graphene scientists develop ultrafast photodetectors

Scientists affiliated with Europe's Graphene Flagship develop a photodetector that converts incident light into electrical signals on femtosecond timescales, enabling ultrafast operation speeds for electronic circuits in optical communications and various other applications.

Apr 14th, 2015

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The microscopic topography of ink on paper

Researchers have analyzed the varying thickness of printed toner in unprecedented 3-D detail, yielding insights that could lead to higher quality, less expensive and more environmentally-friendly glossy and non-glossy papers.

Apr 14th, 2015

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Scientists create invisible objects without metamaterial cloaking

Researchers managed to make homogenous cylindrical objects completely invisible in the microwave range. Contrary to the now prevailing notion of invisibility that relies on metamaterial coatings, the scientists achieved the result using a homogenous object without any additional coating layers.

Apr 14th, 2015

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Quantization of surface Dirac states could lead to exotic applications

Scientists have uncovered the first evidence of an unusual quantum phenomenon - the integer quantum Hall effect - in a new type of film, called a 3D topological insulator. In doing this, they demonstrated that 'surface Dirac states' - a particular form of massless electrons - are quantized in these materials, meaning that they only take on certain discrete values.

Apr 14th, 2015

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