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. 2018 May 25;8:8093. doi: 10.1038/s41598-018-26461-x

Figure 1.

Figure 1

Diffraction patterns of the sputtered films with increasing [Cu]/[Te] ratio. From (a) to (d) 1.25, 1.5, 1.75 and 2, respectively. The obtained phases were vulcanite (CuTe), rickardite (Cu7Te5) and weissite (Cu2−xTe).