Resonance Scattering of Electrons in $Ag_{2}Te$

The temperature dependences of electric conductivity σ, the Hall coefficient R of $p-Ag_{2}Te$ in 4.2-200 K temperature interval for acceptor concentration $N_{a} ≤ 6 × 10^{16} cm^{-3}$ were investigated. The minimum σ(T) was observed for all samples in ≈50÷80 K temperature interval. It was observed that the depth of minimum is increased with $N_{a}$ decrease. It was shown that the part resonance scattering of electrons in minimum of σ(T) and maximum of $|α_{n} (T)|$ region is 16-18%.