Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Breakthrough for the computer of tomorrow?

25.09.2003


For the first time a material now exists that is not only a semiconductor but also exhibits exploitable magnetic properties at room temperature. Researchers at the Royal Institute of Technology (KTH) in Stockholm, Sweden, have taken the lead in an international race to find the technology of tomorrow.



Today’s computers process information using semiconductor chips and store it on magnetic discs. Tomorrow’s technology may mean that these parts merge into a single chip. This is based on the so-called ‘spin’ of electrons. Electron spin generates magnetic fields. Magnetism in iron and other magnetic materials comes from this phenomenon. This spin has a specific direction, and this direction can be exploited as a carrier of information, as ones and zeroes, when you have the equipment to influence and read the spin direction. This technology is believed to be capable of replacing a great deal of today’s electronics, and it is therefore called ‘spintronics.’

Researchers from around the world, both in industry and at universities, have been seeking to create the ‘spin transistor’ for a few years now. It has been created in labs, but only at extremely low temperatures. As recently as last winter, the temperature -100 C was hailed as a milestone in this research (Scientific American, March 2003).


Now a team consisting of experimentalists from the Royal Institute of Technology (KTH) in Stockholm, with the aid of theoreticians from KTH and Uppsala University, have found a substance, zinc oxide with a manganese additive, that makes the spin transistor possible at room temperature, and therefore feasible for mass production.

“Our discovery is not a milestone, it’s a breakthrough,” says Professor Venkat Rao at KTH Materials Science.

What does this mean? Can controlling a spinning electron really change so much? Yes, whoever harnesses the infinitesimal controls the ballgame. It is impossible to predict precisely what practical consequences this will have in the form of new technology, but if the material withstands the test of production, there is tremendous potential for producing much smaller and faster computers, perhaps even so-called quantum computers.

The finding is a door-opener. There are myriad paths to follow. The article is being published and is one of the cover headlines in the October issue of Nature Materials.

Jacob Seth Fransson | alfa
Further information:
http://www.kth.se

More articles from Information Technology:

nachricht A novel hybrid UAV that may change the way people operate drones
28.03.2017 | Science China Press

nachricht Timing a space laser with a NASA-style stopwatch
28.03.2017 | NASA/Goddard Space Flight Center

All articles from Information Technology >>>

The most recent press releases about innovation >>>

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

Im Focus: A Challenging European Research Project to Develop New Tiny Microscopes

The Institute of Semiconductor Technology and the Institute of Physical and Theoretical Chemistry, both members of the Laboratory for Emerging Nanometrology (LENA), at Technische Universität Braunschweig are partners in a new European research project entitled ChipScope, which aims to develop a completely new and extremely small optical microscope capable of observing the interior of living cells in real time. A consortium of 7 partners from 5 countries will tackle this issue with very ambitious objectives during a four-year research program.

To demonstrate the usefulness of this new scientific tool, at the end of the project the developed chip-sized microscope will be used to observe in real-time...

Im Focus: Giant Magnetic Fields in the Universe

Astronomers from Bonn and Tautenburg in Thuringia (Germany) used the 100-m radio telescope at Effelsberg to observe several galaxy clusters. At the edges of these large accumulations of dark matter, stellar systems (galaxies), hot gas, and charged particles, they found magnetic fields that are exceptionally ordered over distances of many million light years. This makes them the most extended magnetic fields in the universe known so far.

The results will be published on March 22 in the journal „Astronomy & Astrophysics“.

Galaxy clusters are the largest gravitationally bound structures in the universe. With a typical extent of about 10 million light years, i.e. 100 times the...

Im Focus: Tracing down linear ubiquitination

Researchers at the Goethe University Frankfurt, together with partners from the University of Tübingen in Germany and Queen Mary University as well as Francis Crick Institute from London (UK) have developed a novel technology to decipher the secret ubiquitin code.

Ubiquitin is a small protein that can be linked to other cellular proteins, thereby controlling and modulating their functions. The attachment occurs in many...

Im Focus: Perovskite edges can be tuned for optoelectronic performance

Layered 2D material improves efficiency for solar cells and LEDs

In the eternal search for next generation high-efficiency solar cells and LEDs, scientists at Los Alamos National Laboratory and their partners are creating...

Im Focus: Polymer-coated silicon nanosheets as alternative to graphene: A perfect team for nanoelectronics

Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are less stable. Now researchers at the Technical University of Munich (TUM) have, for the first time ever, produced a composite material combining silicon nanosheets and a polymer that is both UV-resistant and easy to process. This brings the scientists a significant step closer to industrial applications like flexible displays and photosensors.

Silicon nanosheets are thin, two-dimensional layers with exceptional optoelectronic properties very similar to those of graphene. Albeit, the nanosheets are...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

International Land Use Symposium ILUS 2017: Call for Abstracts and Registration open

20.03.2017 | Event News

CONNECT 2017: International congress on connective tissue

14.03.2017 | Event News

ICTM Conference: Turbine Construction between Big Data and Additive Manufacturing

07.03.2017 | Event News

 
Latest News

Transport of molecular motors into cilia

28.03.2017 | Life Sciences

A novel hybrid UAV that may change the way people operate drones

28.03.2017 | Information Technology

NASA spacecraft investigate clues in radiation belts

28.03.2017 | Physics and Astronomy

VideoLinks
B2B-VideoLinks
More VideoLinks >>>