Concentration-induced transition to a conductivity with a constant hopping length involving states near the Fermi level in a field effect in slightly compensated Si:B
Vedeneev A. S. , Gaivoronskii A. G. , Zhdan A. G. , Modelli A. , Ryl'kov V. V. , Tkach Yu. Ya.
The low-temperature electrical conductivity of heavily doped Si:B films has been observed to increase and reach a plateau as the surface becomes depleted of majority carriers. The results are interpreted in terms of a concentration-induced transition to a new type of hopping conductivity.