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首页> 外文期刊>Physical review >Confinement effect on scattering states in a thin lead film: Field-induced resonance states in the high-bias regime of scanning tunneling microscopy
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Confinement effect on scattering states in a thin lead film: Field-induced resonance states in the high-bias regime of scanning tunneling microscopy

机译:铅薄膜中散射状态的限制效应:扫描隧道显微镜在高偏置状态下的场致共振状态

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摘要

Field-induced resonance states in the high-bias regime of scanning tunneling microscopy are used to couple and probe the scattering states above the vacuum level in a thin lead film. The resonance energies show a bilayer oscillation as a function of film thickness. Theoretical modeling unveils that the oscillation results from the confinement of the highly excited scattering states by the quantum well, yielding a bilayer phase modulation at the boundaries where they are coherently coupled to the external states.
机译:在扫描隧道显微镜的高偏置状态下,场感应共振态用于耦合和探测铅薄膜中高于真空水平的散射态。共振能量表明双层振动是膜厚度的函数。理论模型揭示,振荡是由量子阱限制了高激发散射态而产生的,在它们与外部态相干耦合的边界处产生了双层相位调制。

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