Electrical properties of Cd{sub}xHg{sub}(1-x)Te and Zn{sub}xCd{sub}xCd{sub}yHg{sub}(1-x-y)Te modified by low-energy ion bombardment

摘要

The phenomenon of conversion of the conductivity type in p-type samples of the Cd{sub}xHg{sub}(1-x)Te (0.28 ≤ x ≤0.55) and Zn{sub}xCd{sub}xHg{sub}(1-x-y)Te solid solutions bombarded by low-energy argon ions was studied. It is shown that a necessary condition for the conversion effect in Cd{sub}xHg{sub}(1-x)Te with 0.28 ≤ x ≤0.39 is ion neutralization in the bombarding beam. The dependence of the conversion layer thickness in Cd{sub}xHg{sub}(1-x)Te on the solid solution composition agrees with that predicted by the diffusion model of ion-bombardment-induced conversion of the conductivity type.