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28 Current news of Aalto University

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Dyes and viruses create new composite material for photooxidation reactions

14-Aug-2019

A research team from Aalto University has developed a novel strategy to create virus-based materials for catalysis. The project, which is framed within the Horizon 2020 Marie Sklodowska-Curie actions, aims to pave the way towards the application of optically active biohybrid materials - a ...

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Engineered metasurfaces reflect waves in unusual directions

New metasurfaces can even split energy into more than one

20-Feb-2019

In our daily lives, we can find many examples of manipulation of reflected waves such as mirrors to see our reflections or reflective surfaces for sound that improve auditorium acoustics. When a wave impinges on a reflective surface with a certain angle of incidence and the energy is sent back, ...

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Quantum structures in super-chilled helium may mirror early days of universe

A pathway to recreate possible conditions of the early universe here on earth

18-Jan-2019

For the first time, researchers have documented the long-predicted occurrence of 'walls bound by strings' in superfluid helium-3. The existence of such an object, originally foreseen by cosmology theorists, may help explaining how the universe cooled down after the Big Bang. With the newfound ...

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A new Bose-Einstein condensate created

18-Apr-2018

Nearly a hundred years ago, Albert Einstein and Satyendra Nath Bose predicted that quantum mechanics can force a large number of particles to behave in concert as if they were only a single particle. The phenomenon is called Bose-Einstein condensation, and it took until 1995 to create the first ...

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New microscope sets a record for visualizing surface wetting properties

29-Nov-2017

Wetting is an everyday phenomenon that represents how well liquid spreads on a surface. When water comes into contact with an extremely water-repellent, or 'superhydrophobic' surface, droplets bead up and roll off easily. Aalto University researchers have developed a measurement technique called ...

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Extraordinarily strong nonlinear optical graphene-like material could renovate nonlinear photonics

The discovery could enable high resolution imagining at low-power

26-Oct-2017

Nonlinear optics is a key enabling technology of our modern society, such as in imaging and high-speed data communication. But the traditional devices suffer from relatively small nonlinear optical coefficients of conventional optical materials. An interdisciplinary team of scientists from Aalto ...

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Assembly of nanoparticles proceeds like a zipper

26-Sep-2017

It has always been the Holy Grail of materials science to describe and control the material's structure-function relationship. Nanoparticles are an attractive class of components to be used in functional materials because they exhibit size-dependent properties, such as superparamagnetism and ...

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Researchers printed graphene-like materials with inkjet

21-Aug-2017

An international research team has developed inks made of graphene-like materials for inkjet printing. New black phosphorous inks are compatible with conventional inkjet printing techniques for optoelectronics and photonics. Since the discovery of the Nobel Prize winning material graphene, many ...

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Artificial materials atom-by-atom

29-Mar-2017

Researchers at Aalto University have manufactured artificial materials with engineered electronic properties. By moving individual atoms under their microscope, the scientists were able to create atomic lattices with a predetermined electrical response. The possibility to precisely arrange the ...

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Reducing platinum need for electrocatalysts

Promising results obtained with a new electrocatalyst

27-Mar-2017

Platinum is a very expensive metal and it is therefore one of the bottlenecks hindering the growth of renewable energy. Platinum is used as the catalyst in electrolysers that store electric energy as chemical compounds, and it also plays an important role in fuel cells, catalytic converters and ...

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