Thomas, P. John ; Rajamathi, Michael ; Vanitha, P. V. ; Kulkarni, G. U. ; Rao, C. N. R. (2005) Perpendicular magnetization in self-assembled films of citrate-capped γ-Fe2O3 nanocrystals on Si(100) surfaces Journal of Nanoscience and Nanotechnology, 5 (4). pp. 565-570. ISSN 1533-4880
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Official URL: http://www.ingentaconnect.com/content/asp/jnn/2005...
Related URL: http://dx.doi.org/10.1166/jnn.2005.067
Abstract
γ-Fe2O3 nanocrystals capped with citrate and octylamine have been chemically prepared. The octylamine-capped nanocrystals exhibit a tendency to form ordered lattices. Films of nanocrystals of varying thickness (454, 720, and 1400 μg/cm2 in the case ofcitrate-capped nanocrystals and 300 μg/cm2 in the case of octylamine-capped nanocrystals) have been prepared on Si(100) substrates by drop casting and have been characterized by X-ray diffraction, scanning electron microscopy, and atomic force microscopy. Magnetic measurementshave been carried out on the films as well as on nanocrystal powders. The films of citrate-capped γ-Fe2O3 nanocrystals exhibit enhanced perpendicular magnetization, with the anisotropy depending on the film thickness.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Scientific Publishers. |
| Keywords: | Iron Oxide Nanoparticles; Magnetic Nanocrystals; Mesoscalar Assembly; Perpendicular Magnetization; Self-assembly |
| ID Code: | 103191 |
| Deposited On: | 06 Mar 2017 12:29 |
| Last Modified: | 06 Mar 2017 12:29 |
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