DOI: 10.1063/1.2208691. Magnetoresistance effects in Zn0.90Co0.10O films

Magnetoresistance effects in Zn0.90Co0.10O films

10.1063/1.2208691

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

Zn 0.90 Co 0.10 O films of different thicknesses (689, 408, 355nm) doped with 0.5 at. % Al were prepared by pulsed laser deposition on a-plane sapphire substrates. At 290K the resistivity increases drastically with decreasing film thickness, while the electron concentration and mobility decrease. Magnetoresistance (MR) effects were measured in the temperature range of 5–290K. At low temperature, the positive MR increases with decreasing film thickness. Positive MR decreases rapidly with increasing temperature. With increasing temperature, the MR of the thicker film changes to negative, while positive MR was still observed for the 355nm thick film at 290K. Anomalous Hall effect was observed in the 355nm thick film at 20K, indicating the possible ferromagnetism in Zn0.90Co0.10O.

Bibliography

Xu, Q., Hartmann, L., Schmidt, H., Hochmuth, H., Lorenz, M., Schmidt-Grund, R., Spemann, D., & Grundmann, M. (2006). Magnetoresistance effects in Zn0.90Co0.10O films. Journal of Applied Physics, 100(1).

Authors 8

Qingyu Xu (first)
Lars Hartmann (additional)
Heidemarie Schmidt (additional)
Holger Hochmuth (additional)
Michael Lorenz (additional)
Rüdiger Schmidt-Grund (additional)
Daniel Spemann (additional)
Marius Grundmann (additional)

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Dates

Type	When
Created	19 years, 1 month ago (July 19, 2006, 6:43 p.m.)
Deposited	2 years ago (Aug. 3, 2023, 6:22 p.m.)
Indexed	3 weeks, 3 days ago (July 30, 2025, 6:46 a.m.)
Issued	19 years, 1 month ago (July 1, 2006)
Published	19 years, 1 month ago (July 1, 2006)
Published Online	19 years, 1 month ago (July 6, 2006)
Published Print	19 years, 1 month ago (July 1, 2006)

Funders 0

None

BibTeX

@article{Xu_2006, title={Magnetoresistance effects in Zn0.90Co0.10O films}, volume={100}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.2208691}, DOI={10.1063/1.2208691}, number={1}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Xu, Qingyu and Hartmann, Lars and Schmidt, Heidemarie and Hochmuth, Holger and Lorenz, Michael and Schmidt-Grund, Rüdiger and Spemann, Daniel and Grundmann, Marius}, year={2006}, month=jul }

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