DOI: 10.1063/1.1897827. High-temperature ferromagnetism in pulsed-laser deposited epitaxial (Zn,Mn)O thin films: Effects of substrate temperature

High-temperature ferromagnetism in pulsed-laser deposited epitaxial (Zn,Mn)O thin films: Effects of substrate temperature

10.1063/1.1897827

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We report on the observation of remarkable room-temperature ferromagnetism in epitaxial (Zn,Mn)O films grown by a pulsed-laser deposition technique using high-density targets. The optimum growth conditions were demonstrated from x-ray measurements, microstructure, Rutherford backscattering, micro-Raman, and magnetic studies. Superior ferromagnetic properties were observed in (Zn,Mn)O films grown at a substrate temperature of 500°C and with an oxygen partial pressure of 1mTorr. Ferromagnetism becomes weaker with increasing substrate temperature due to the formation of isolated Mn clusters irrespective of higher crystalline quality of the film.

Bibliography

Pradhan, A. K., Zhang, K., Mohanty, S., Dadson, J. B., Hunter, D., Zhang, J., Sellmyer, D. J., Roy, U. N., Cui, Y., Burger, A., Mathews, S., Joseph, B., Sekhar, B. R., & Roul, B. K. (2005). High-temperature ferromagnetism in pulsed-laser deposited epitaxial (Zn,Mn)O thin films: Effects of substrate temperature. Applied Physics Letters, 86(15).

Authors 14

A. K. Pradhan (first)
Kai Zhang (additional)
S. Mohanty (additional)
J. B. Dadson (additional)
D. Hunter (additional)
Jun Zhang (additional)
D. J. Sellmyer (additional)
U. N. Roy (additional)
Y. Cui (additional)
A. Burger (additional)
S. Mathews (additional)
B. Joseph (additional)
B. R. Sekhar (additional)
B. K. Roul (additional)

References 16 Referenced 56

10.1126/science.281.5379.951 / Science (1998)
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10.1103/PhysRevLett.83.3073 / Phys. Rev. Lett. (1999)
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10.1063/1.1397763 / Appl. Phys. Lett. (2001)
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10.1063/1.1690111 / Appl. Phys. Lett. (2004)
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10.1063/1.1556126 / J. Appl. Phys. (2003)
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Dates

Type	When
Created	20 years, 4 months ago (April 7, 2005, 6:19 p.m.)
Deposited	2 years ago (July 31, 2023, 12:27 a.m.)
Indexed	3 weeks, 4 days ago (July 30, 2025, 6:45 a.m.)
Issued	20 years, 4 months ago (April 8, 2005)
Published	20 years, 4 months ago (April 8, 2005)
Published Online	20 years, 4 months ago (April 8, 2005)
Published Print	20 years, 4 months ago (April 11, 2005)

Funders 0

None

BibTeX

@article{Pradhan_2005, title={High-temperature ferromagnetism in pulsed-laser deposited epitaxial (Zn,Mn)O thin films: Effects of substrate temperature}, volume={86}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1897827}, DOI={10.1063/1.1897827}, number={15}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Pradhan, A. K. and Zhang, Kai and Mohanty, S. and Dadson, J. B. and Hunter, D. and Zhang, Jun and Sellmyer, D. J. and Roy, U. N. and Cui, Y. and Burger, A. and Mathews, S. and Joseph, B. and Sekhar, B. R. and Roul, B. K.}, year={2005}, month=apr }

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