UHF conductivity of Ge surfaces produced by cleavage
Osip'yan Yu.A. , Tal'yanskii V.I. , Kharlamov A.A.
Ge samples containing new surfaces obtained by cleavage in liquid helium have a noticeable conductivity in the UHF range. In a number of cases this surface conductivity may greatly exceed the volume conductivity. The temperature dependence of the surface conductivity is investigated.