首页> 美国政府科技报告 >Spin and Energy Resolved Near-Threshold Electron Photoemission from Strained GaAs/GaAsP Heterostructure.
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Spin and Energy Resolved Near-Threshold Electron Photoemission from Strained GaAs/GaAsP Heterostructure.

机译:应变Gaas / Gaasp异质结构的自旋和能量分辨近阈电子发射。

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High resolution energy distribution curves (EDC) and a polarization versus energy distribution curves (PEDC) of the electrons photoemitted from strained GaAs/GaAsP are presented. We have found that in the vicinity of the photothreshold the polarization does not vary across the EDC both at room and 120 K temperatures of the cathode, which shows that no depolarization occurs in the band bending region (BBR). The EDC are interpreted in terms of the competition between the electron tunneling in vacuum and hopping between the states in the band bending region localized by the fluctuation potential.

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