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Park, Noejung
Computational Physics & Electronic Structure Lab
Research Interests
  • Electronic structure calculation, computational physics, computational material science

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P-type conductivity generated by ferromagnetic ordering via percolative anionic H chain formation in ZnCoO

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Title
P-type conductivity generated by ferromagnetic ordering via percolative anionic H chain formation in ZnCoO
Author
Lee, HosikShin, Jong MoonCho, Yong ChanLee, SeunghunPark, Chul HongPark, NoejungJeong, Se-YoungKim, Sung Youb
Keywords
density functional theory; ferromagnetism; p-type ZnO
Issue Date
201406
Publisher
IOP PUBLISHING LTD
Citation
JOURNAL OF PHYSICS-CONDENSED MATTER, v.26, no.25, pp.1 - 6
Abstract
We report on the simultaneous realization of p-type conductivity and strong ferromagnetism in heavily Co-doped ZnO thin films in the presence of a high concentration of hydrogen impurities. Through ab initio calculations, we find that the microscopic origin of hole carrier generations and ferromagnetic ordering is due to the partially occupied band of the percolative structures wherein the carrier-induced magnetic interactions can stabilize the strong spin-parallel state.
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DOI
http://dx.doi.org/10.1088/0953-8984/26/25/255501
ISSN
0953-8984
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MNE_Journal Papers
SNS_Journal Papers

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