Hydrogen shallow donors in Co-doped ZnO showing room-temperature ferromagnetism

Jun Kue Park; Kyu Won Lee; S. J. Noh; H. S. Kim; Cheol Eui Lee

doi:10.1016/j.cap.2013.11.004

Hydrogen shallow donors in Co-doped ZnO showing room-temperature ferromagnetism

Jun Kue Park, Kyu Won Lee, S. J. Noh, H. S. Kim, Cheol Eui Lee

Department of Physics

Research output: Contribution to journal › Article

10 Citations (Scopus)

Abstract

Room-temperature ferromagnetism has been identified in sol-gel-prepared Co-doped ZnO (ZnCoO), hydrogen being incorporated by a linear polymer polyvinyl pyrrolidone. The magnetic order was investigated by the X-ray photoemission and magnetization measurements in view of the interstitial hydrogen being coupled with Co²⁺. The electron paramagnetic resonance measurements revealed that hydrogens not contributing to the magnetic order occupy the shallow donor levels in the hydrogenated ZnCoO system.

Original language	English
Pages (from-to)	206-208
Number of pages	3
Journal	Current Applied Physics
Volume	14
Issue number	2
DOIs	https://doi.org/10.1016/j.cap.2013.11.004
Publication status	Published - 2014 Feb

Keywords

Electron paramagnetic resonance
H-induced room-temperature ferromagnetism
Sol-gel processing
ZnCoO

ASJC Scopus subject areas

Materials Science(all)
Physics and Astronomy(all)

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Park, J. K., Lee, K. W., Noh, S. J., Kim, H. S., & Lee, C. E. (2014). Hydrogen shallow donors in Co-doped ZnO showing room-temperature ferromagnetism. Current Applied Physics, 14(2), 206-208. https://doi.org/10.1016/j.cap.2013.11.004

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