Narayana Jammalamadaka, S. ; Das, Sitikantha D. ; Chalke, B. A. ; Sampathkumaran, E. V. (2008) Magnetic behavior of nanocrystalline LaMn2Ge2 Journal of Magnetism and Magnetic Materials, 320 (21). L129-L131. ISSN 0304-8853
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S03048...
Related URL: http://dx.doi.org/10.1016/j.jmmm.2008.05.021
Abstract
The compound, LaMn2Ge2, crystallizing in ThCr2Si2-type tetragonal crystal structure, has been known to undergo ferromagnetic order below (TC=) 326 K. In this article, we report the magnetic behavior of nanocrystalline form of this compound, obtained by high-energy ball milling. TC of this compound is reduced marginally for the nanoform, whereas there is a significant reduction of the magnitude of the saturation magnetic moment with increasing milling time. The coercive field however increases with decreasing particle size. Thus, this work provides a route to tune these parameters by reducing the particle size in this ternary family.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | LaMn2Ge2; Nanocrystal; Magnetic Moment; Coercive Field; Magnetic Ordering |
| ID Code: | 47295 |
| Deposited On: | 08 Jul 2011 13:03 |
| Last Modified: | 08 Jul 2011 13:03 |
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