Bhattacharya, Santanu ; Chakravorty, Dipankar (2007) Electrical and magnetic properties of cold compacted iron-doped zinc sulfide nanoparticles synthesized by wet chemical method Chemical Physics Letters, 444 (4-6). pp. 319-323. ISSN 0009-2614
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.cplett.2007.07.040
Abstract
Iron-doped (1–5%) zinc sulfide nanocrystals were synthesized with sizes ranging from 2 to 4 nm. Resistivity measurements were carried out on cold compacted specimens over the temperature range 313–472 K. A resistivity decrease of about 10 orders of magnitude was observed as compared to that of ZnS samples. The data analysis showed that conduction occurred by a small polaron hopping mechanism between Fe2+ and Fe3+ ions concentrated at the nanocrystal interfaces. Low temperature magnetization studies indicated ferromagnetic behaviour arising out of a one-dimensional magnetic system with antiparallel spin alignment.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 96584 |
| Deposited On: | 28 Dec 2012 09:28 |
| Last Modified: | 28 Dec 2012 09:28 |
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