DOI: 10.1063/1.344683. Inelastic neutron scattering studies of II-VI diluted magnetic semiconductors (invited)

Inelastic neutron scattering studies of II-VI diluted magnetic semiconductors (invited)

10.1063/1.344683

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

Inelastic neutron scattering studies of AII1−xMxBVI diluted magnetic semiconductor (DMS) alloys with low and high concentations of the magnetic component (M) are reviewed. Measurements of inelastic scattering from isolated pairs of magnetic ions makes possible a direct determination of the ion–ion exchange parameters. This method has been used for JNN determination in Zn1−xMnxB (B=S, Se, Te) and Zn1−xCoxB DMS alloy families. Inelastic scattering experiments on DMS alloys with high magnetic ion concentrations (Zn1−xMnxTe and Cd1−xMnxTe with x=0.4–0.7) reveal that at low T the magnetic excitation spectra of these systems are dominated by magnonlike modes despite the absence of long-range magnetic order. A theoretical description of these excitations can be obtained using the numerical method developed by Ching and Huber. The model results reproduce remarkably well the dispersion and the line-shape characteristics of the excitation modes seen in the experiments.

Bibliography

Giebultowicz, T. M., Rhyne, J. J., Furdyna, J. K., & Klosowski, P. (1990). Inelastic neutron scattering studies of II-VI diluted magnetic semiconductors (invited). Journal of Applied Physics, 67(9), 5096â5101.

Authors 4

T. M. Giebultowicz (first)
J. J. Rhyne (additional)
J. K. Furdyna (additional)
P. Klosowski (additional)

References 32 Referenced 56

{'key': '2024020411183416300_r1'}
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{'key': '2024020411183416300_r4'}
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{'key': '2024020411183416300_r7'}
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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:07 a.m.)
Deposited	1 year, 6 months ago (Feb. 4, 2024, 6:18 a.m.)
Indexed	11 months, 2 weeks ago (Sept. 10, 2024, 12:31 p.m.)
Issued	35 years, 3 months ago (May 1, 1990)
Published	35 years, 3 months ago (May 1, 1990)
Published Print	35 years, 3 months ago (May 1, 1990)

Funders 0

None

BibTeX

@article{Giebultowicz_1990, title={Inelastic neutron scattering studies of II-VI diluted magnetic semiconductors (invited)}, volume={67}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.344683}, DOI={10.1063/1.344683}, number={9}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Giebultowicz, T. M. and Rhyne, J. J. and Furdyna, J. K. and Klosowski, P.}, year={1990}, month=may, pages={5096–5101} }

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