Additionally, the absorption coefficient of the Al 0.63 Ga 0.37 As buffer layer (denoted as β) is shown in Figure 4 b, which illustrates the absorption peak is blue shifted and also shows an increasing trend with the growing photon energy.
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Theoretical Study on the Photoemission Performance of a Transmission Mode In<sub>0.15</sub>Ga<sub>0.85</sub>As Photocathode in the Near-Infrared Region.
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