Structural and Magnetic Study of Undoped and Cu-Doped Rutile TiO2 Single Crystals

Structural and Magnetic Study of Undoped and Cu-Doped Rutile TiO2 Single Crystals Rutile TiO2 single crystals (SCs) were implanted with Cu ions. The implantation effect on microstructure and magnetic behavior of Cu-doped TiO2 wafers was investigated. The implanted ions are in part successfully incorporated in the host lattice gradually forming a CuO-like species. Although the projected range is ∼117 nm, the induced defects extend much deeper. Room temperature ferromagnetism (RTFM) was observed both in undoped and Cu-doped TiO2 SCs. Their saturation magnetizations were found to be nearly equal to each other, in agreement with our theoretical calculations. Additionally, no superparamagnetism was examined in the zero-field cooled (ZFC) versus field cooled (FC) measurements, revealing an intrinsic ferromagnetic nature in each SC. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Superconductivity and Novel Magnetism Springer Journals

Structural and Magnetic Study of Undoped and Cu-Doped Rutile TiO2 Single Crystals

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Publisher
Springer US
Copyright
Copyright © 2017 by Springer Science+Business Media New York
Subject
Physics; Strongly Correlated Systems, Superconductivity; Magnetism, Magnetic Materials; Condensed Matter Physics; Characterization and Evaluation of Materials
ISSN
1557-1939
eISSN
1557-1947
D.O.I.
10.1007/s10948-017-4078-5
Publisher site
See Article on Publisher Site

Abstract

Rutile TiO2 single crystals (SCs) were implanted with Cu ions. The implantation effect on microstructure and magnetic behavior of Cu-doped TiO2 wafers was investigated. The implanted ions are in part successfully incorporated in the host lattice gradually forming a CuO-like species. Although the projected range is ∼117 nm, the induced defects extend much deeper. Room temperature ferromagnetism (RTFM) was observed both in undoped and Cu-doped TiO2 SCs. Their saturation magnetizations were found to be nearly equal to each other, in agreement with our theoretical calculations. Additionally, no superparamagnetism was examined in the zero-field cooled (ZFC) versus field cooled (FC) measurements, revealing an intrinsic ferromagnetic nature in each SC.

Journal

Journal of Superconductivity and Novel MagnetismSpringer Journals

Published: Mar 31, 2017

References

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