The conductance and magnetoresistance effect in a periodically magnetically modulated nanostructure
Microelectronics Journal(2008)
摘要
In this paper, we theoretically investigate the conductance and the magnetoresistance effect in a periodically magnetically modulated two-dimensional electron gas. It is shown that there exists a significant conductance difference for electrons through the parallel and antiparallel magnetization configurations, which leads to a considerable magnetoresistance effect. It is also shown that the conductance and the magnetoresistance effect depend on both the temperature and the number of the periodic magnetic barriers.
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关键词
magnetoresistance effect,73.23.−b,73.40.−c,significant conductance difference,85.70.−d,antiparallel magnetization configuration,magnetic nanostructure,modulated nanostructure,considerable magnetoresistance effect,two-dimensional electron gas,mr ratio,75.75. + a,periodic magnetic barrier,two dimensional electron gas
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