Growth of GaAsBi/GaAs multiple quantum wells with up to 120 periods
Journal of Crystal Growth(2022)
摘要
•Epilayers with up to 120 GaAs0.95Bi0.05 quantum wells grown using MBE.•Thicker 30 nm GaAs barriers reduce average strain compared to previous devices.•XRD and TEM show reasonable uniformity, which decreases as number of wells increases.•120 period device properties much improved over previous strain relaxed 63 QW device.
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关键词
A1.X-ray diffraction,A3.Molecular beam epitaxy,B1.Bismuth compounds,B2.Semiconducting III-V materials,B3.Solar cells
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