In (Ga,Mn)As, p-type Zn co-doping increases hole concentration yet decreases TC and magnetization because substitutional Zn drives Mn atoms into interstitial sites, shown by ion channeling and DFT.
The microstructure of the Mn- and Zn-co-doped samples was investigated by cross- sectional high-resolution TEM
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p-type codoping effect in (Ga,Mn)As: Mn lattice location versus magnetic properties
In (Ga,Mn)As, p-type Zn co-doping increases hole concentration yet decreases TC and magnetization because substitutional Zn drives Mn atoms into interstitial sites, shown by ion channeling and DFT.