p-type behavior in phosphorus-doped (Zn,Mg)O device structures
- 3 May 2004
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 84 (18), 3474-3476
- https://doi.org/10.1063/1.1737795
Abstract
The characteristics of device structures that employ phosphorus-doped (Zn,Mg)O have been examined in a effort to delineate the carrier type behavior in this material. The capacitance–voltage properties of metal/insulator/P-doped (Zn,Mg)O diode structures were measured and found to exhibit a polarity consistent with the P-doped (Zn,Mg)O layer being type. In addition, thin-film junctions comprising -type ZnO and P-doped (Zn,Mg)O display asymmetric characteristics that are consistent with the formation of a junction at the interface. Although Hall measurements of the P-doped (Zn,Mg)O thin films yielded an indeterminate Hall sign due to a small carrier mobility, these results are consistent with previous reports that phosphorus can yield an acceptor state and -type behavior in ZnO materials.
Keywords
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