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- W1486557543 abstract "Magnetotransport measurements are carried out on the AlGaN/AlN/GaN in an SiC heterostructure, which demonstrates the existence of the high-quality two-dimensional electron gas (2DGE) at the AlN/GaN interface. While the carrier concentration reaches 1.32×1013 cm−2 and stays relatively unchanged with the decreasing temperature, the mobility of the 2DEG increases to 1.21×104 cm2/(Vs) at 2 K. The Shubnikov—de Haas (SdH) oscillations are observed in a magnetic field as low as 2.5 T at 2 K. By the measurements and the analyses of the temperature-dependent SdH oscillations, the effective mass of the 2DEG is determined. The ratio of the transport lifetime to the quantum scattering time is 9 in our sample, indicating that small-angle scattering is predominant." @default.
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- W1486557543 date "2011-09-01" @default.
- W1486557543 modified "2023-10-18" @default.
- W1486557543 title "Magnetotransport properties of two-dimensional electron gas in AlGaN/AlN/GaN heterostructures" @default.
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- W1486557543 doi "https://doi.org/10.1088/1674-1056/20/9/097302" @default.
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