Chatterjee, A. ; Datta, A. ; Giri, Anit K. ; Das, D. ; Chakravorty, D. (1992) Iron nanoparticles in copper matrix prepared by sol-gel route Journal of Applied Physics, 72 (8). pp. 3832-3834. ISSN 0021-8979
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Official URL: http://jap.aip.org/resource/1/japiau/v72/i8/p3832_...
Related URL: http://dx.doi.org/10.1063/1.352285
Abstract
Iron particles having diameters around 8 nm and loosely packed with nanosized copper particles have been prepared by a sol-gel route. The samples exhibit coercivities in the range 200 to 500 Oe that are typical of single-domain iron grains. The Mössbauer spectrum is consistent with the presence of α-Fe particles in the system. However, a finite value of the isomer shift is obtained that is ascribed to possible electron transfer between the iron atoms and the surrounding copper matrix.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| Keywords: | Iron; Microparticles; Sol-gel Process; Copper; Moessbauer Effect; Isomer Shift; Electron Transfer; Coercive Force; Magnetization; Microstructure |
| ID Code: | 64917 |
| Deposited On: | 15 Oct 2011 12:08 |
| Last Modified: | 15 Oct 2011 12:08 |
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