Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

A High Power Laser Zap to Nanotechnology

19.03.2008
With the predicted ramping up of nanotechnology based materials over the next decade, expectations are high that demand for high-tech materials will also skyrocket.

Already the evidence is present for a revolution in the manufacture of materials based on nano-engineered structures. However, prior to these “nanomaterials” becoming dominant in the marketplace a precise understanding of how to tailor their properties for specific applications, coupled with cheap, reliable fabrication methods is required.

Scientists at the Advanced Technology Institute (ATI) of the University of Surrey and at the School of Chemistry in the University of Bristol have been awarded funding of nearly £0.87M from the Engineering and Physical Sciences Research Council (EPSRC) to investigate techniques using high-power, short-pulsed lasers for the production of important nanomaterials, including nanoclusters, nanotubes and nanorods of carbon and zinc oxide, with controllable electrical and optical properties. These techniques, including pulsed laser deposition and laser annealing, are ideal research tools for rapid investigation of a wide variety of synthesis environments, which should enable a plethora of new technologically significant nanomaterials. This project will be highly synergistic, addressing the full range of challenges, from obtaining a fundamental understanding of the growth processes to producing physical, chemical and biological sensors based on the products.

The ATI’s Dr. Simon Henley, who will spearhead the research effort, said;
"A focused short laser pulse can produce very extreme conditions, such as high temperatures and pressures, but only at the point of focus of the beam. We can use these conditions to generate highly energetic atoms and ions to drive a synthesis that would normally require the whole reaction to be performed in a high temperature furnace.”

He added; “This collaboration brings together two groups with well-matched expertise in complementary areas. The group at Bristol specialises in obtaining a precise understanding of the chemistry occurring during laser synthesis, via optical and mass spectrometry, and the laser deposition research at the ATI focuses on producing nano-scale electronic and optical devices.”

Prof. Mike Ashfold, lead researcher at Bristol commented;
"It is good to have two current EPSRC Portfolio Partnerships working so closely. Without such a bold initiative by EPSRC five years ago this sort of highly enabling research would not have been possible. We are very excited about the potential outcomes of this collaboration.”
Prof. Ravi Silva, Director of the ATI explained;
"High quality research collaborations such as these take time to build and support received from EPSRC has encouraged this. We look forward to working closely with industry and forging new links in novel nano-material production associated with laser processing. The ATI is particularly strong in examining the potential for spinout activities in nanotechnology, as seen by its recent record and growing patent portfolio. We are confident this project will allow us to continue this trend.”

Stuart Miller | alfa
Further information:
http://www.surrey.ac.uk

More articles from Physics and Astronomy:

nachricht Computer model predicts how fracturing metallic glass releases energy at the atomic level
20.07.2018 | American Institute of Physics

nachricht What happens when we heat the atomic lattice of a magnet all of a sudden?
18.07.2018 | Forschungsverbund Berlin

All articles from Physics and Astronomy >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Future electronic components to be printed like newspapers

A new manufacturing technique uses a process similar to newspaper printing to form smoother and more flexible metals for making ultrafast electronic devices.

The low-cost process, developed by Purdue University researchers, combines tools already used in industry for manufacturing metals on a large scale, but uses...

Im Focus: First evidence on the source of extragalactic particles

For the first time ever, scientists have determined the cosmic origin of highest-energy neutrinos. A research group led by IceCube scientist Elisa Resconi, spokesperson of the Collaborative Research Center SFB1258 at the Technical University of Munich (TUM), provides an important piece of evidence that the particles detected by the IceCube neutrino telescope at the South Pole originate from a galaxy four billion light-years away from Earth.

To rule out other origins with certainty, the team led by neutrino physicist Elisa Resconi from the Technical University of Munich and multi-wavelength...

Im Focus: Magnetic vortices: Two independent magnetic skyrmion phases discovered in a single material

For the first time a team of researchers have discovered two different phases of magnetic skyrmions in a single material. Physicists of the Technical Universities of Munich and Dresden and the University of Cologne can now better study and understand the properties of these magnetic structures, which are important for both basic research and applications.

Whirlpools are an everyday experience in a bath tub: When the water is drained a circular vortex is formed. Typically, such whirls are rather stable. Similar...

Im Focus: Breaking the bond: To take part or not?

Physicists working with Roland Wester at the University of Innsbruck have investigated if and how chemical reactions can be influenced by targeted vibrational excitation of the reactants. They were able to demonstrate that excitation with a laser beam does not affect the efficiency of a chemical exchange reaction and that the excited molecular group acts only as a spectator in the reaction.

A frequently used reaction in organic chemistry is nucleophilic substitution. It plays, for example, an important role in in the synthesis of new chemical...

Im Focus: New 2D Spectroscopy Methods

Optical spectroscopy allows investigating the energy structure and dynamic properties of complex quantum systems. Researchers from the University of Würzburg present two new approaches of coherent two-dimensional spectroscopy.

"Put an excitation into the system and observe how it evolves." According to physicist Professor Tobias Brixner, this is the credo of optical spectroscopy....

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

Leading experts in Diabetes, Metabolism and Biomedical Engineering discuss Precision Medicine

13.07.2018 | Event News

Conference on Laser Polishing – LaP: Fine Tuning for Surfaces

12.07.2018 | Event News

11th European Wood-based Panel Symposium 2018: Meeting point for the wood-based materials industry

03.07.2018 | Event News

 
Latest News

A smart safe rechargeable zinc ion battery based on sol-gel transition electrolytes

20.07.2018 | Power and Electrical Engineering

Reversing cause and effect is no trouble for quantum computers

20.07.2018 | Information Technology

Princeton-UPenn research team finds physics treasure hidden in a wallpaper pattern

20.07.2018 | Materials Sciences

VideoLinks
Science & Research
Overview of more VideoLinks >>>