Preparation and properties of GeS2 single crystals
- Cite this article as:
- Golubkov, A.V., Dubrovskii, G.B. & Shelykh, A.I. Semiconductors (1998) 32: 734. doi:10.1134/1.1187494
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Single crystals of GeS2 are grown by two methods: crystallization from a melt and chemical vapor transport. All crystals are found to have a monoclinic structure with the unit-cell parameters a=11.45 Å, b=16.09 Å, c=6.7 Å, and β=91°. The reflection and transmission spectra are measured in the region of the absorption edge. The gap width is found to be equal to 3.2 eV.