DETERMINATION OF THE TYPE AND THE DENSITY OF CARRIERS IN MOTE2 MASSIVE BY MEASURING THE HALL EFFECT

The continuous measurements of halleffect made on monocrystalline MoTe2 needles showed good linearity of current contacts (longitudinal). The influence of magnetic induction on the Hall voltage VHa has been studied. Two areas are observed: a linear growth area where the Hall RH coefficient is almost constant and a saturation region where the Hall voltage doesn't practically vary with induction. In the first area, a carriers concentration about 6 1020/m3and could be determined through the constant area. VH behavior in the saturation zone is explained by depletion of charge carriers by magnetic deflection. The resistivity is studied in a temperature range from ambient to the temperature of liquid nitrogen.