Room temperature ferromagnetism in carbon-implanted ZnO

Shengqiang Zhou; Qingyu Xu; Kay Potzger; Georg Talut; Rainer Groetzschel; Juergen Fassbender; Mykola Vinnichenko; Joerg Grenzer; Manfred Helm; Holger Hochmuth; Michael Lorenz; Marius Grundmann; Heidemarie Schmidt

doi:10.1063/1.3048076

Room temperature ferromagnetism in carbon-implanted ZnO

Materials Science 2008-12-13 v1

Authors: Shengqiang Zhou , Qingyu Xu , Kay Potzger , Georg Talut , Rainer Groetzschel , Juergen Fassbender , Mykola Vinnichenko , Joerg Grenzer , Manfred Helm , Holger Hochmuth , Michael Lorenz , Marius Grundmann , Heidemarie Schmidt

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Abstract

Unexpected ferromagnetism has been observed in carbon doped ZnO films grown by pulsed laser deposition [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.

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@article{arxiv.0811.3487,
  title  = {Room temperature ferromagnetism in carbon-implanted ZnO},
  author = {Shengqiang Zhou and Qingyu Xu and Kay Potzger and Georg Talut and Rainer Groetzschel and Juergen Fassbender and Mykola Vinnichenko and Joerg Grenzer and Manfred Helm and Holger Hochmuth and Michael Lorenz and Marius Grundmann and Heidemarie Schmidt},
  journal= {arXiv preprint arXiv:0811.3487},
  year   = {2008}
}

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13 pages, 3 figs, accepted for publication at Appl. Phys. Lett

Room temperature ferromagnetism in carbon-implanted ZnO

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