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UD researchers race ahead with latest spintronics achievement
Date:10/26/2007

ents with most of the electron spins oriented, or polarized, in the same direction.

In another recent paper published in the Aug. 13 issue of Applied Physics Letters, the team showed how to attain very high spin polarization, achieving more than 37 percent, and then demonstrated operation as the first semiconductor spin field-effect transistor.

One hundred percent polarization means that all injected electrons are either spin-up or spin-down, Huang explained. High polarization will be necessary for practical applications.

In the future, spintronics may bring a great change to daily life, Huang added.

A native of China, Huang said he feels fortunate to work in Appelbaum's group. When he completes his doctorate next year, Huang hopes to pursue research in industry or academia.

An alumnus from my undergraduate school in China was studying here at UD and told me this is a great place. I'm happy I made the right decision to come here, Huang noted. I am also lucky to have a chance to work in Dr. Appelbaum's group. I think an excellent adviser is always the reason for students to be here.

We're taking the first steps at the beginning of a new road, Appelbaum said. Before our initial work on spin transport in silicon, we didn't even know where the road was, he said with a smile. There's a lot of fundamental work to be done, which we hope will bring us closer to a new age of electronics.


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Contact: Tracey Bryant
tbryant@udel.edu
302-831-8185
University of Delaware  
Source:Eurekalert

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