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Defect-induced ferromagnetism in crystalline SrTiO3 |
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| Authors: | K. Potzger,J. OstenA.A. Levin,A. ShalimovG. Talut,H. ReutherS. Arpaci,D. Bü rgerH. Schmidt,T. NestlerD.C. Meyer |
| Affiliation: | a Institut für Ionenstrahlphysik und Materialforschung, Helmholtz-Zentrum Dresden-Rossendorf e.V., Bautzner Landstrasse 400, 01328 Dresden, Germany b Institut für Strukturphysik, Technische Universität Dresden, 01062, Germany c Institut für Experimentelle Physik, Technische Universität Bergakademie Freiberg, 09596 Freiberg, Germany |
| Abstract: | In this work it is shown that ion irradiation of high-quality SrTiO3 single crystals can lead to room-temperature ferromagnetism. Structural analysis revealed a polycrystalline SrTiO3 layer, Sr2Ti6O13, or Ruddlesden-Popper like secondary phase at the sample surface induced by the irradiation. The lack of any measurable ferromagnetic secondary phases suggests defects are the origin of the observed ferromagnetic signal. |
| Keywords: | Ion implantation Strontium titanate Defect-induced magnetism |
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