We present the synthesis of TaCoTe2 single crystals and systematical investigation of the physical properties of bulk crystals and thin flakes. The crystal shows a semiconducting behavior with temperature decreasing… Click to show full abstract
We present the synthesis of TaCoTe2 single crystals and systematical investigation of the physical properties of bulk crystals and thin flakes. The crystal shows a semiconducting behavior with temperature decreasing from room temperature and turn to a metallic behavior below 38 K. When magnetic field is applied, the temperature-dependent resistivity curves show an upturn below 10 K. Furthermore, we found that the TaCoTe2 single crystal can be easily exfoliated from the bulk crystal by micro-mechanical exfoliation method. Our measurements suggest that the nanoflakes have similar properties with the bulk crystal when the thickness is lowered to 18 nm.
               
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