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- W4233696830 abstract "In this study, we investigated the electrical properties of three QW active region by capacitance-voltage (C-V) and deep-level transient spectroscopy (DLTS) measurements (Blood, 1992 and Kim, 2004). Then, the optical properties were measured also by photoluminescence (PL) and Fourier transformed infra-red spectroscopy (FTIR), etc. In this study, we prepared GaAs/AlGaAs single and three QWs samples grown on n-GaAs substrates as a simplified active region except for other complex regions of QCL device. Generally, the QCL structure has made up of 26th/spl sim/40th period of the injection/active region, but the structure is too complicated to analyze electrical properties. Thus, we used simple structure in this study. And then, in order to measure C-V and DLTS, a Schottky diode was made by Au-gate formation and indium ohmic contact below the backside." @default.
- W4233696830 created "2022-05-12" @default.
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- W4233696830 date "2005-01-01" @default.
- W4233696830 modified "2023-10-17" @default.
- W4233696830 title "Electrical characterization of GaAs/AlGaAs multi-quantum wells for quantum cascade laser" @default.
- W4233696830 doi "https://doi.org/10.1109/imnc.2005.203774" @default.
- W4233696830 hasPublicationYear "2005" @default.
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