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. 2025 Jan 2;16:48. doi: 10.1038/s41467-024-55293-9

Fig. 3. Electrical performance measurement of devices.

Fig. 3

a The 100 cycles of I–V characteristic curve of NDR device at room temperature. Illustrations are pictures of devices under an optical microscope. b The working mechanism of NDR memristor devices. c The peak current distribution histogram, blue line is a Gaussian fitting curve. d The valley current distribution histogram, the red line is a Gaussian fitting curve. e The NDR devices undergo more than 1011 switching cycles at room temperature. f The NDR devices undergo more than 109 switching cycles at 400 °C. g The illustration of single I–V curve at 25–400 °C. h The statistics of peak valley current ratio at different temperatures. i Statistics and change trend of peak current (valley current) and peak voltage (valley voltage) at 25–400 °C.