DOI: 10.1063/1.358319. Magnetoresistance and magnetic properties of NiFe/oxide/Co junctions prepared by magnetron sputtering

Magnetoresistance and magnetic properties of NiFe/oxide/Co junctions prepared by magnetron sputtering

10.1063/1.358319

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

NiFe/oxide/Co junctions were fabricated by magnetron sputtering for studies of polarized electron transport across the insulating barrier. Al2O3, Al-Al2O3, and MgO insulating barriers were prepared with junction resistances from 0.5 to 116 Ω. The I-V characteristics at room temperature are linear. For low barrier resistance, the magnetoresistance of the structure is dominated by the anisotropic magnetoresistance of the ferromagnetic electrodes. For the higher barrier resistances, a different magnetoresistance effect is observed, which is tentatively related to tunneling or spin-valve effects across the insulating junction.

Bibliography

Plaskett, T. S., Freitas, P. P., Barradas, N. P., da Silva, M. F., & Soares, J. C. (1994). Magnetoresistance and magnetic properties of NiFe/oxide/Co junctions prepared by magnetron sputtering. Journal of Applied Physics, 76(10), 6104â6106.

Authors 5

T. S. Plaskett (first)
P. P. Freitas (additional)
N. P. Barradas (additional)
M. F. da Silva (additional)
J. C. Soares (additional)

References 5 Referenced 50

{'key': '2024020213501838100_r1', 'first-page': '225', 'volume': '54A', 'year': '1975', 'journal-title': 'Phys. Lett.'} / Phys. Lett. (1975)
10.1103/PhysRevB.7.318 / Phys. Rev. B (1973)
{'key': '2024020213501838100_r3', 'first-page': '707', 'volume': 'MAG-18', 'year': '1982', 'journal-title': 'IEEE Trans. Magn.'} / IEEE Trans. Magn. (1982)
10.3379/jmsjmag.16.303 / J. Magn. Soc. Jpn. (1992)
10.1103/PhysRevB.39.6995 / Phys. Rev. B (1989)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 8:33 a.m.)
Deposited	1 year, 6 months ago (Feb. 2, 2024, 9:32 a.m.)
Indexed	2 months ago (June 26, 2025, 6:45 a.m.)
Issued	30 years, 9 months ago (Nov. 15, 1994)
Published	30 years, 9 months ago (Nov. 15, 1994)
Published Print	30 years, 9 months ago (Nov. 15, 1994)

Funders 0

None

BibTeX

@article{Plaskett_1994, title={Magnetoresistance and magnetic properties of NiFe/oxide/Co junctions prepared by magnetron sputtering}, volume={76}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.358319}, DOI={10.1063/1.358319}, number={10}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Plaskett, T. S. and Freitas, P. P. and Barradas, N. P. and da Silva, M. F. and Soares, J. C.}, year={1994}, month=nov, pages={6104–6106} }

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