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- W4285392008 abstract "Combining novel two-dimensional materials with traditional semiconductors to form heterostructures for photoelectric detection have attracted great attention due to their excellent photoelectric properties. In this study, we reported the formation of a heterostructure comprising of tin telluride (SnTe) and germanium (Ge) by a simple and efficient one-step magnetron sputtering technique. A photodetector was fabricated by sputtering a nanofilm of SnTe on to a pre-masked n-Ge substrate.J-Vmeasurements obtained from the SnTe/n-Ge photodetector demonstrated diode and photovoltaic characteristics in the visible to near-infrared (NIR) band (i.e. 400-2050 nm). Under NIR illumination at 850 nm with an optical power density of 13.81 mW cm-2, the SnTe/n-Ge photodetector exhibited a small open-circuit voltage of 0.05 V. It also attained a high responsivity (R) and detectivity (D*) of 617.34 mA W-1(at bias voltage of -0.5 V) and 2.33 × 1011cmHz1/2W-1(at zero bias), respectively. Therefore, SnTe nanofilm/n-Ge heterostructure is highly suitable for used as low-power broadband photodetector due to its excellent performances and simple device configuration." @default.
- W4285392008 created "2022-07-14" @default.
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- W4285392008 date "2022-07-29" @default.
- W4285392008 modified "2023-10-10" @default.
- W4285392008 title "Broadband photodetector based on SnTe nanofilm/n-Ge heterostructure" @default.
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- W4285392008 doi "https://doi.org/10.1088/1361-6528/ac80cc" @default.
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