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首页> 外文期刊>Japanese Journal of Applied Physics. Part 2, Letters & Express Letters >Fowler-Nordheim Current Oscillations in Si(111)/SiO_2/Twisted-Si(111) Tunneling Structures
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Fowler-Nordheim Current Oscillations in Si(111)/SiO_2/Twisted-Si(111) Tunneling Structures

机译:Si(111)/ SiO_2 / Twisted-Si(111)隧穿结构中的Fowler-Nordheim电流振荡

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摘要

The dependence of Fowler-Nordheim current oscillations (FNCOs) on the twist angle between the facing Si layers in Si(111)/ SiO_2/Si(111) bonded structures is investigated. The observed systematic variation in oscillation amplitude with twist angle can be ascribed to transverse momentum conservation upon Fowler-Nordheim tunneling through thin SiO_2. A calculation result, taking into account the twist-induced decrease in potential discontinuity and consequently in the reflection coefficient at the SiO_2/twisted Si interface, provides the theoretical basis for the experimental results.
机译:研究了Fowler-Nordheim电流振荡(FNCO)对Si(111)/ SiO_2 / Si(111)键合结构中相向的Si层之间扭转角的依赖性。 Fowler-Nordheim隧穿薄SiO_2时,观察到的振幅随扭转角的系统变化可归因于横向动量守恒。计算结果考虑了扭曲引起的电位不连续性的下降,并因此考虑了SiO_2 /扭曲的Si界面处的反射系数,为实验结果提供了理论基础。

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