Anomalous dependence of the Hall emf and thermoelectric power on the magnetic field in $p-Bi_2Te_3$

Oscillations have been detected on the Hall voltage in $p-Bi_2Te_3$, single crystals, which have the form of а series of plateaus. The quantization of the Hall effect is due to the staЫlization of the Fermi level in the impurity band lying above the top of the heavy-hole band in $Bi_2Te_3\langle Sn \rangle$.