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Fig. 1 | Nanoscale Research Letters

Fig. 1

From: Infrared photovoltaic detector based on p-GeTe/n-Si heterojunction

Fig. 1

a Magnetron sputtering of GeTe film on Si substrate. b Post-annealing of the GeTe film. c Optical images of as-deposited and d annealed GeTe films on quartz substrate. ef TEM images and FFT patterns (inset) of the annealed GeTe film. g Line profiles of the lattice fringes of (202) and (220) crystal planes as shown in the top and bottom panels, respectively. hj Schematic diagrams of the crystal structures

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