DOI: 10.1063/1.1539550. Spin wave resonance in Ga1−xMnxAs

10.1063/1.1539550

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We report ferromagnetic resonance experiments on Ga1−xMnxAs thin films. For the dc magnetic field perpendicular to the sample plane, we observe up to eight distinct resonances, which we attribute to spin wave modes. To account for the spacing of the resonances, we infer a linear gradient in the magnetic properties, which is ascribed to a linear variation of the uniaxial magnetic anisotropy with film thickness. Values of D=(1±0.4)×10−9 Oe cm2 for the spin stiffness and JMnMn≈1 meV for the exchange integral between Mn spins are obtained.

Bibliography

Goennenwein, S. T. B., Graf, T., Wassner, T., Brandt, M. S., Stutzmann, M., Philipp, J. B., Gross, R., Krieger, M., ZÃ¼rn, K., Ziemann, P., Koeder, A., Frank, S., Schoch, W., & Waag, A. (2003). Spin wave resonance in Ga1âxMnxAs. Applied Physics Letters, 82(5), 730â732.

Authors 14

S. T. B. Goennenwein (first)
T. Graf (additional)
T. Wassner (additional)
M. S. Brandt (additional)
M. Stutzmann (additional)
J. B. Philipp (additional)
R. Gross (additional)
M. Krieger (additional)
K. Zürn (additional)
P. Ziemann (additional)
A. Koeder (additional)
S. Frank (additional)
W. Schoch (additional)
A. Waag (additional)

References 24 Referenced 83

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10.1038/45502 / Nature (London) (1999)
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10.1103/PhysRevLett.59.240 / Phys. Rev. Lett. (1987)
10.1103/PhysRevB.63.195205 / Phys. Rev. B (2001)
10.1103/PhysRevB.57.R2037 / Phys. Rev. B (1998)
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10.1103/PhysRevB.64.184423 / Phys. Rev. B (2001)
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{'key': '2024020323562476000_r14'}
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{'key': '2024020323562476000_r16'}
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{'key': '2024020323562476000_r23'}
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Dates

Type	When
Created	22 years, 6 months ago (Jan. 30, 2003, 3:32 p.m.)
Deposited	1 year, 6 months ago (Feb. 3, 2024, 6:56 p.m.)
Indexed	3 months ago (May 18, 2025, 6:40 p.m.)
Issued	22 years, 6 months ago (Feb. 3, 2003)
Published	22 years, 6 months ago (Feb. 3, 2003)
Published Print	22 years, 6 months ago (Feb. 3, 2003)

Funders 0

None

BibTeX

@article{Goennenwein_2003, title={Spin wave resonance in Ga1−xMnxAs}, volume={82}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1539550}, DOI={10.1063/1.1539550}, number={5}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Goennenwein, S. T. B. and Graf, T. and Wassner, T. and Brandt, M. S. and Stutzmann, M. and Philipp, J. B. and Gross, R. and Krieger, M. and Zürn, K. and Ziemann, P. and Koeder, A. and Frank, S. and Schoch, W. and Waag, A.}, year={2003}, month=feb, pages={730–732} }

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