Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/100975
Title: Low-temperature synthesis and nanomagnetism of large-area α-Fe2O3 nanobelts
Authors: Zhong, Minglong
Liu, Zhongwu
Yu, Hongya
Zhong, Xichun
Zeng, Dechang
Ramanujan, R. V.
Keywords: DRNTU::Engineering::Materials
Issue Date: 2013
Source: Zhong, M., Liu, Z., Yu, H., Zhong, X., Zeng, D., & Ramanujan, R. V. (2013). Low-temperature synthesis and nanomagnetism of large-area α-Fe2O3 nanobelts. Journal of Nanoscience and Nanotechnology, 13(2), 1525-1529.
Series/Report no.: Journal of nanoscience and nanotechnology
Abstract: Large-area one dimensional (1D) α-Fe2O3 nanostructures were grown on iron substrates by catalyst-free thermal oxidation process at low temperatures in air. The structure characterization revealed that the nanostructures are single crystalline α-Fe2O3. Two kinds of α-Fe2O3 nanostructures, nanobelts and nanoflakes, were obtained due to the different growth temperature range. A surface diffusion mechanism is proposed to account for the nanobelts and nanoflakes growth. The Morin temperature TM of pure 1D α-Fe2O3 nanostructures is 121 K, which is far below their bulk counterparts. The coercive field depends on temperature, and takes values 471 Oe at 5 K and about 260 Oe when the temperature is greater than TM , respectively.
URI: https://hdl.handle.net/10356/100975
http://hdl.handle.net/10220/19028
ISSN: 1533-4880
DOI: 10.1166/jnn.2013.5976
Rights: © 2013 American Scientific Publishers.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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