Microscopic origins of electron and hole stability in ZnO

Chem Commun (Camb). 2011 Mar 28;47(12):3386-8. doi: 10.1039/c1cc10314h. Epub 2011 Feb 15.

Abstract

We present a fundamental method to assess the doping limits of hetero-polar materials; applied to the case of ZnO, we show clearly that electrons are stable and holes are unstable under the limits of thermodynamic control.