DOI: 10.1063/1.1358350. Magnetic properties of nanocrystalline Fe3O4 films

Magnetic properties of nanocrystalline Fe3O4 films

10.1063/1.1358350

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

Nanocrystalline magnetite Fe3O4 films of about 180 nm thick have been deposited on Si(100) substrates by pulsed laser deposition. Zero-field-cooled magnetization shows clearly the Verwey transition near 120 K by an abrupt change, which is absent from the field-cooled magnetization. This is correlated to its hysteresis curves where the loops remain open until a high field of 2 T. The magnetization does not saturate in field 2 orders of magnitude higher than its coercive field. Such behaviors may result from the existence of antiphase domains. Antiphase boundaries inside the grains are clearly observed with transmission electron microscopy. Negative magnetoresistance of about 12% has been observed near 120 K in a field of 9 T.

Bibliography

Tang, J., Wang, K.-Y., & Zhou, W. (2001). Magnetic properties of nanocrystalline Fe3O4 films. Journal of Applied Physics, 89(11), 7690â7692.

Authors 3

Jinke Tang (first)
Kai-Ying Wang (additional)
Weilie Zhou (additional)

References 19 Referenced 93

{'key': '2024020617352824700_r1'}
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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 10:17 a.m.)
Deposited	1 year, 6 months ago (Feb. 6, 2024, 5:28 p.m.)
Indexed	4 months, 1 week ago (April 21, 2025, 1:02 a.m.)
Issued	24 years, 3 months ago (June 1, 2001)
Published	24 years, 3 months ago (June 1, 2001)
Published Print	24 years, 3 months ago (June 1, 2001)

Funders 0

None

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