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Spintronics promises better electronic devices

Posted: 13 Aug 2014     Print Version  Bookmark and Share

Keywords:spintronics  charge  spin  UCL  Kurebayashi 

As there are limited amounts of natural resources in the earth and prices of materials are progressively going up, scientists are looking for more accessible materials with which to develop future sustainable technologies, potentially based on electron spin rather than charge. Added to this, the miniaturisation approach of current semiconductor technology will see a point when the trend, predicted by Moore's law, will come to an end because transistors are as small as atoms and cannot be shrunk any further. To address this, fundamentally new concepts for electronics will be needed to produce commercially viable alternatives which meet demands for ever-growing computing power.

Lead author of the study, Dr Hidekazu Kurebayashi (UCL London Centre for Nanotechnology), said, "We borrowed 50 year old semiconductor phenomena for our modern spintronic research. Our results are the start of the story but are a proof of principle with a promising future for spins; as we know that there is existing matured semiconductor growth technology, we can stand on the shoulders of the giants."

An international research team of scientists from UCL and University of Cambridge in the UK, Mainz University in Germany, the Institute of Physic of the Academy of Sciences in Czech Republic, and Tohoku University in Japan worked on the study.


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