Room temperature ferromagnetism in carbon-implanted ZnO

By Shengqiang Zhou, Qingyu Xu, K. Potzger, G. Talut, R. Groetzschel, J. Fassbender, M. Vinnichenko, J. Grenzer, M. Helm, H. Hochmuth and 3 more. 2008

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Unexpected ferromagnetism has been observed in carbon doped ZnO films grown by pulsed laser deposition [H. Pan et al., Phys. Rev. Lett. 99, 127201 (2007)]. In this letter, we introduce carbon into ZnO films by ion implantation. Room temperature ferromagnetism has been observed. Our analysis demonstrates that (1) C-doped ferromagnetic ZnO can be achieved by an alternative method, i.e., ion implantation, and (2) the chemical involvement of carbon in the ferromagnetism is indirectly proven.

Subfields: Electrical and Electronic Engineering, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/894f147130505d52d15d03aa8b9f11778878a606