DOI: 10.1063/1.3688043. Ferromagnetism in thin-film Cr-doped topological insulator Bi2Se3

Ferromagnetism in thin-film Cr-doped topological insulator Bi2Se3

10.1063/1.3688043

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We report on the observation of ferromagnetism in epitaxial thin films of the topological insulator compound Bi2Se3 with chromium doping. The structural, magnetic, and magnetoelectrical properties of Bi2Se3 were investigated for Cr concentrations up to 10%. For a Cr content up to ∼5% the films are of good crystalline quality, with the lattice parameter a decreasing and the lattice parameter c increasing with increasing Cr concentration. The Curie temperature reached a maximum TC = 20 K for 5.2% Cr. Well-defined ferromagnetic hysteresis in the magnetization and in the magnetoresistance was also observed in these films.

Bibliography

Haazen, P. P. J., LaloÃ«, J.-B., Nummy, T. J., Swagten, H. J. M., Jarillo-Herrero, P., Heiman, D., & Moodera, J. S. (2012). Ferromagnetism in thin-film Cr-doped topological insulator Bi2Se3. Applied Physics Letters, 100(8).

Authors 7

P. P. J. Haazen (first)
J.-B. Laloë (additional)
T. J. Nummy (additional)
H. J. M. Swagten (additional)
P. Jarillo-Herrero (additional)
D. Heiman (additional)
J. S. Moodera (additional)

References 28 Referenced 162

10.1038/nature06843 / Nature (2008)
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{'key': '2023061803505927400_c26', 'article-title': '“Modified electrical transport probe design for standard magnetometer”'} / “Modified electrical transport probe design for standard magnetometer”
10.1021/nl1032183 / Nano Lett. (2010)
J. Checkelsky, Y. Hor, R. Cava, and N. Ong, e-print arXiv:1003.3883v1.

Dates

Type	When
Created	13 years, 6 months ago (Feb. 24, 2012, 12:15 a.m.)
Deposited	2 years, 2 months ago (June 17, 2023, 11:51 p.m.)
Indexed	1 week, 3 days ago (Aug. 23, 2025, 1:07 a.m.)
Issued	13 years, 6 months ago (Feb. 20, 2012)
Published	13 years, 6 months ago (Feb. 20, 2012)
Published Online	13 years, 6 months ago (Feb. 23, 2012)
Published Print	13 years, 6 months ago (Feb. 20, 2012)

Funders 0

None

BibTeX

@article{Haazen_2012, title={Ferromagnetism in thin-film Cr-doped topological insulator Bi2Se3}, volume={100}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.3688043}, DOI={10.1063/1.3688043}, number={8}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Haazen, P. P. J. and Laloë, J.-B. and Nummy, T. J. and Swagten, H. J. M. and Jarillo-Herrero, P. and Heiman, D. and Moodera, J. S.}, year={2012}, month=feb }

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