DOI: 10.1166/jnn.2008.201. Superparamagnetic Nanocrystalline ZnFe<sub>2</sub>O<sub>4</sub> with a Very High Curie Temperature

Superparamagnetic Nanocrystalline ZnFe2O4 with a Very High Curie Temperature

10.1166/jnn.2008.201

Crossref journal-article

American Scientific Publishers

Journal of Nanoscience and Nanotechnology (17)

Abstract

Studies on the magnetic properties of nanocrystalline ZnFe2O4 synthesized by an autocombustion method are reported. Superparamagnetic behavior is observed for the nanocrystalline materials with particle sizes of 8 nm and 17nm, with superparamagnetic blocking temperatures of 65 K and 75 K, respectively. Magnetic hysteresis with very large coercivities of 533 Oe and 325 Oe, respectively, are observed at 12 K. Studies on the temperature variation of the magnetization above room temperature indicate that the Curie temperature is as high as ∼800 K when compared to the paramagnetic nature of bulk zinc ferrite at room temperature.

Bibliography

Deka, S., & Joy, P. A. (2008). Superparamagnetic Nanocrystalline ZnFe2O4 with a Very High Curie Temperature. Journal of Nanoscience and Nanotechnology, 8(8), 3955â3958.

Authors 2

Sasanka Deka (first)
P. A. Joy (additional)

References 0 Referenced 23

None

Dates

Type	When
Created	17 years, 1 month ago (July 17, 2008, 4:21 p.m.)
Deposited	5 years, 4 months ago (April 16, 2020, 12:37 a.m.)
Indexed	1 month, 1 week ago (July 19, 2025, 11:23 p.m.)
Issued	17 years ago (Aug. 1, 2008)
Published	17 years ago (Aug. 1, 2008)
Published Print	17 years ago (Aug. 1, 2008)

Funders 0

None

BibTeX

@article{Deka_2008, title={Superparamagnetic Nanocrystalline ZnFe2O4 with a Very High Curie Temperature}, volume={8}, ISSN={1533-4880}, url={http://dx.doi.org/10.1166/jnn.2008.201}, DOI={10.1166/jnn.2008.201}, number={8}, journal={Journal of Nanoscience and Nanotechnology}, publisher={American Scientific Publishers}, author={Deka, Sasanka and Joy, P. A.}, year={2008}, month=aug, pages={3955–3958} }

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