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Influence of rhenium on the structural and optical properties of molybdenum disulfide

Datetime:2016/7/20 21:31:37hit:10500

Influence of rhenium on the structural and optical properties of molybdenum disulfide. We report on the extensive structural and optical studies of Re-doped molybdenum disulfide (MoS) grown by the chemical vapor transport (CVT) method using Bras a transport agent. To evaluate the influence of Re on the structural properties of crystals, we have conducted X-ray diffraction (XRD) and transmission electron microscopy (TEM) experiments. For optical characterization, we carried out piezoreflectance (PzR) and electrolyte electroreflectance (EER) measurements. The Re dopant clearly caused a structural change in MoSfrom a two-layer hexagonal (2H) structure to a three-layer rhombohedral (3R) structure, which has been clearly verified and identified herein.