Polaronic transport and magnetism in Ag-doped ZnO

M. He, Y. F. Tian, D. Springer, I. A. Putra, G. Z. Xing, E. E.M. Chia, S. A. Cheong, T. Wu*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

61 Scopus citations


Magnetic polarons have been proposed to play important roles in doped wide band gap oxides that exhibit weak room temperature ferromagnetism. Here, we report the experimental evidence supporting polaronic magnetism and transport in Ag-doped ZnO. Temperature dependent resistivity data suggest the conduction mechanism of Mott and Efros variable range hopping. The observed weak ferromagnetism and its temperature dependence are explained using the percolation-based model of partially ordered bound magnetic polarons.

Original languageEnglish (US)
Article number222511
JournalApplied Physics Letters
Issue number22
StatePublished - Nov 28 2011
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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