Tiwary, Satish K. ; Vasudevan, S. (1997) Single crystal magnetic susceptibility of the quasi-one-dimensional antiferromagnet KFeS2 Solid State Communications, 101 (6). pp. 449-452. ISSN 0038-1098
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S0038-1098(96)00617-5
Abstract
The single crystal magnetic susceptibility of the quasi-one-dimensional antiferromagnet KFeS2 is reported. The high temperature isotropic susceptibility is typical of a spin-½ Heisenberg chain. The intra- and interchain exchange constants are -44.7 K and 53.94 K, respectively. At 250 K, KFeS2 exhibits a well defined transition to a three-dimensionally ordered antiferromagnetic state. The calculated perpendicular susceptibility at 0 K considering the zero point reduction in magnetisation for a S = ½ one-dimensional chain from spin wave theory is close to the projected value obtained from the experimental data.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Magnetically Ordered Materials; Exchange and Superexchange |
| ID Code: | 58465 |
| Deposited On: | 31 Aug 2011 06:03 |
| Last Modified: | 31 Aug 2011 06:03 |
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