DOI: 10.1063/1.2437111. High TC ferromagnetism of Zn(1−x)CoxO diluted magnetic semiconductors grown by oxygen plasma-assisted molecular beam epitaxy

High TC ferromagnetism of Zn(1−x)CoxO diluted magnetic semiconductors grown by oxygen plasma-assisted molecular beam epitaxy

10.1063/1.2437111

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Co-doped wurtzite ZnO [Zn(1−x)CoxO] thin films have been grown on Al2O3(0001) substrates by using oxygen plasma-assisted molecular beam epitaxy at the low growth temperature of 450°C. The epitaxial films of Co concentration at 0⩽x⩽0.12 are single crystalline, which were examined by reflection high energy electron diffraction and x-ray diffraction. Both of optical transmission spectrum and in situ. x-ray photoelectron spectroscopy studies confirmed the incorporation of Co2+ cations into wurtzite ZnO lattice. Magnetic measurements revealed that the Zn(1−x)CoxO thin films are ferromagnetic with Curie temperature TC above room temperature, and the ferromagnetism shows intrinsic characteristic.

Bibliography

Liu, G. L., Cao, Q., Deng, J. X., Xing, P. F., Tian, Y. F., Chen, Y. X., Yan, S. S., & Mei, L. M. (2007). High TC ferromagnetism of Zn(1âx)CoxO diluted magnetic semiconductors grown by oxygen plasma-assisted molecular beam epitaxy. Applied Physics Letters, 90(5).

Authors 8

G. L. Liu (first)
Q. Cao (additional)
J. X. Deng (additional)
P. F. Xing (additional)
Y. F. Tian (additional)
Y. X. Chen (additional)
S. S. Yan (additional)
L. M. Mei (additional)

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Dates

Type	When
Created	18 years, 6 months ago (Feb. 2, 2007, 8 p.m.)
Deposited	2 years, 1 month ago (July 3, 2023, 12:37 a.m.)
Indexed	3 weeks, 4 days ago (July 30, 2025, 6:48 a.m.)
Issued	18 years, 6 months ago (Jan. 29, 2007)
Published	18 years, 6 months ago (Jan. 29, 2007)
Published Online	18 years, 6 months ago (Jan. 31, 2007)
Published Print	18 years, 6 months ago (Jan. 29, 2007)

Funders 0

None

BibTeX

@article{Liu_2007, title={High TC ferromagnetism of Zn(1−x)CoxO diluted magnetic semiconductors grown by oxygen plasma-assisted molecular beam epitaxy}, volume={90}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2437111}, DOI={10.1063/1.2437111}, number={5}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Liu, G. L. and Cao, Q. and Deng, J. X. and Xing, P. F. and Tian, Y. F. and Chen, Y. X. and Yan, S. S. and Mei, L. M.}, year={2007}, month=jan }

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