DOI: 10.1063/1.1528280. Spacer-dependent transport and magnetic properties of digital ferromagnetic heterostructures

Spacer-dependent transport and magnetic properties of digital ferromagnetic heterostructures

10.1063/1.1528280

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We examine the relationship between the transport and magnetic properties of digital ferromagnetic heterostructure superlattices in which 0.5 monolayer MnAs planes alternate with undoped GaAs spacer layers. The data show that as the thickness t of the GaAs spacers increases, charge transport and the Curie temperature both approach their independent-layer limits at comparable values of t. An increase in the per-layer conductivity with decreasing t accompanies a rise in TC. This behavior is consistent with an enhancement of interlayer ferromagnetic interactions by charge coupling across the spacers.

Bibliography

Kreutz, T. C., Zanelatto, G., Gwinn, E. G., & Gossard, A. C. (2002). Spacer-dependent transport and magnetic properties of digital ferromagnetic heterostructures. Applied Physics Letters, 81(25), 4766â4768.

Authors 4

T. C. Kreutz (first)
G. Zanelatto (additional)
E. G. Gwinn (additional)
A. C. Gossard (additional)

References 15 Referenced 29

10.1038/35050040 / Nature (London) (2000)
10.1038/45509 / Nature (London) (1999)
10.1126/science.1065389 / Science (2001)
10.1063/1.123082 / Appl. Phys. Lett. (1999)
10.1126/science.287.5455.1019 / Science (2000)
10.1103/PhysRevB.63.233205 / Phys. Rev. B (2001)
10.1103/PhysRevB.64.165201 / Phys. Rev. B (2001)
10.1103/PhysRevLett.87.107203 / Phys. Rev. Lett. (2001)
10.1063/1.1316775 / Appl. Phys. Lett. (2000)
{'key': '2024020323344048100_r10', 'first-page': '366', 'volume': '12', 'year': '2002', 'journal-title': 'Photonics Spectra'} / Photonics Spectra (2002)
10.1063/1.1398619 / Appl. Phys. Lett. (2001)
10.1016/S0921-5107(99)00057-4 / Mater. Sci. Eng., B (1999)
10.1103/PhysRevB.56.13103 / Phys. Rev. B (1997)
10.1103/PhysRevB.57.R2037 / Phys. Rev. B (1998)
{'key': '2024020323344048100_r15'}

Dates

Type	When
Created	22 years, 8 months ago (Dec. 12, 2002, 11:41 a.m.)
Deposited	1 year, 6 months ago (Feb. 3, 2024, 6:34 p.m.)
Indexed	1 year, 6 months ago (Feb. 7, 2024, 7:57 p.m.)
Issued	22 years, 8 months ago (Dec. 16, 2002)
Published	22 years, 8 months ago (Dec. 16, 2002)
Published Print	22 years, 8 months ago (Dec. 16, 2002)

Funders 0

None

BibTeX

@article{Kreutz_2002, title={Spacer-dependent transport and magnetic properties of digital ferromagnetic heterostructures}, volume={81}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1528280}, DOI={10.1063/1.1528280}, number={25}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Kreutz, T. C. and Zanelatto, G. and Gwinn, E. G. and Gossard, A. C.}, year={2002}, month=dec, pages={4766–4768} }

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