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In this paper, the influence of Sn doping (0%, 8% and 14%) on the crystallization of Ge2Sb2Te5 was studied with the aid of an ultraviolet laser. The XRD analyses revealed that the addition of Sn maintained the NaCl-type structure of Ge2Sb2Te5 after crystallization but expanded the lattice parameter due to the smaller atomic radii of Ge replaced by Sn. Raman peaks (123, 150 and 110cm−1) moved towards...
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