Chatterjee, A. ; Das, D. ; Chakravorty, D. ; Choudhury, K. (1990) Mossbauer spectra of nanocrystalline Fe and Fe-Cr particles in sol-gel-derived SiO2 glass Applied Physics Letters, 57 (13). pp. 1360-1362. ISSN 0003-6951
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Official URL: http://apl.aip.org/applab/v57/i13/p1360_s1?isAutho...
Related URL: http://dx.doi.org/10.1063/1.103436
Abstract
Ultrafine iron particles prepared by a sol-gel route are characterized by Mossbauer spectroscopy and transmission electron microscopy. The Mossbauer absorption patterns consist of a ferromagnetic component superposed on a superparamagnetic doublet. The intensity of the superparamagnetic doublet is found to be larger for particles having smaller average diameter. For very fine particles a diffused electron diffraction pattern is observed. It is also shown that the sol-gel technique could be used to prepare fine particles of a Fe-Cr alloy.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| ID Code: | 7269 |
| Deposited On: | 25 Oct 2010 11:59 |
| Last Modified: | 28 May 2011 04:57 |
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